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When to Go

The great destinations month by month: the daytime high, the sea, the rain, the crowds and what is happening.

Last checked October 2026.

A lighthouse on a breakwater at dusk, DéniaPhotograph: Pexels

Lisbon and Cascais, Portugal

Covers Lisbon, Sintra, and Cascais and Estoril on the coast; figures are for Lisbon, with the sea at Cascais. May to June and September to October are ideal: warm, bright days for the city and the palaces of Sintra, without the heat and crowds of July and August. The Atlantic stays cool, at 19–20°C (66–68°F) even in high summer. Lisbon is a year-round city, and winter is mild.

MonthDay highSeaRainCrowdsHappening
January59°F / 15°C61°F / 16°C10 daysModerate—
February62°F / 17°C60°F / 16°C8 daysModerate—
March66°F / 19°C60°F / 16°C8 daysModerate—
April69°F / 21°C62°F / 17°C8 daysBusy—
May74°F / 23°C64°F / 18°C6 daysBusyARCOlisboa contemporary art fair
June79°F / 26°C66°F / 19°C2 daysBusyFestival de Sintra in the palaces of Sintra and Queluz
July83°F / 28°C67°F / 19°C<1 dayPeak—
August84°F / 29°C68°F / 20°C1 dayPeakWarmest sea of the year, into October
September80°F / 27°C68°F / 20°C4 daysBusy—
October73°F / 23°C68°F / 20°C9 daysBusy—
November65°F / 18°C65°F / 18°C10 daysModerate—
December60°F / 16°C62°F / 17°C10 daysModerate—

Climate source: Lisbon, Climate: Instituto Geofísico 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Cascais (SeaTemperatu.re).

Comporta, Portugal

Covers Comporta and the Alentejo coast south to Melides; figures are for Sines, the nearest long-term station, about 50 km south, with the sea at Setúbal, across the bay from the Tróia peninsula. June and September are ideal: long, dry days on the wide, empty beaches, without the August peak. The Atlantic here stays cool, at 19–21°C (67–69°F) from June to October.

MonthDay highSeaRainCrowdsHappening
January59°F / 15°C61°F / 16°C9 daysQuiet—
February60°F / 16°C60°F / 16°C7 daysQuiet—
March64°F / 18°C60°F / 16°C7 daysQuiet—
April66°F / 19°C62°F / 17°C7 daysQuiet—
May71°F / 22°C64°F / 18°C5 daysModerate—
June75°F / 24°C67°F / 19°C2 daysBusy—
July77°F / 25°C67°F / 19°C<1 dayPeak—
August78°F / 26°C68°F / 20°C<1 dayPeak—
September76°F / 24°C69°F / 21°C3 daysBusyWarmest sea of the year; rice harvest in the paddies begins
October71°F / 22°C68°F / 20°C8 daysModerate—
November64°F / 18°C65°F / 18°C9 daysQuiet—
December60°F / 16°C63°F / 17°C9 daysQuiet—

Climate source: Sines, Climate: Sines 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Setúbal (SeaTemperatu.re).

The Algarve, Portugal

Covers Quinta do Lago, Vale do Lobo and Vilamoura on the central coast; figures are for Faro, with the sea at Quarteira, next to Vilamoura. May to June and September to October are ideal: hot, dry days and a sea at 19–22°C (66–71°F), without the peak of July and August. Spring and autumn are the great golf seasons, and winter stays mild and sunny.

MonthDay highSeaRainCrowdsHappening
January61°F / 16°C62°F / 17°C6 daysQuietAlmond blossom (January into February)
February63°F / 17°C62°F / 17°C5 daysQuietAlmond blossom
March66°F / 19°C61°F / 16°C6 daysModerateSpring golf season
April69°F / 21°C63°F / 17°C5 daysModerateSpring golf season
May74°F / 23°C66°F / 19°C4 daysModerate—
June80°F / 27°C69°F / 21°C<1 dayBusy—
July85°F / 29°C71°F / 22°C<1 dayPeak—
August85°F / 29°C72°F / 22°C<1 dayPeakWarmest sea of the year
September80°F / 27°C71°F / 22°C2 daysBusy—
October74°F / 23°C71°F / 22°C6 daysModerateAutumn golf season
November67°F / 19°C67°F / 19°C7 daysQuietAutumn golf season
December63°F / 17°C64°F / 18°C7 daysQuiet—

Climate source: Faro, Climate: Faro Airport 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Quarteira (SeaTemperatu.re).

Porto and the Douro Valley, Portugal

Figures are for Porto; the Douro Valley, about 1 hour 15 minutes inland, is much hotter in summer and colder in winter. May to June and September are ideal: the city at its best and, in September, the grape harvest in the Douro's terraced vineyards. The Atlantic off Porto is cool all year, at 14–18°C (57–65°F).

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C58°F / 14°C13 daysQuiet—
February59°F / 15°C57°F / 14°C10 daysQuiet—
March63°F / 17°C58°F / 14°C10 daysModerate—
April65°F / 18°C60°F / 16°C10 daysModerate—
May69°F / 21°C62°F / 17°C9 daysBusy—
June73°F / 23°C63°F / 17°C5 daysBusy—
July76°F / 24°C64°F / 18°C3 daysPeak—
August77°F / 25°C64°F / 18°C3 daysPeak—
September74°F / 23°C65°F / 18°C6 daysBusyGrape harvest in the Douro Valley
October69°F / 21°C64°F / 18°C11 daysModerateAutumn colour in the Douro vineyards
November62°F / 17°C63°F / 17°C13 daysQuiet—
December59°F / 15°C61°F / 16°C12 daysQuiet—

Climate source: Porto, Climate: Porto Airport 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Porto (SeaTemperatu.re).

Madeira, Portugal

Figures are for Funchal. Madeira is mild all year, with day highs of 20–27°C (68–80°F): April to June and September to October are ideal for the gardens and the island's walks, and the sea is warmest from August to October. The days around New Year, with the fireworks over Funchal's bay, are the island's busiest.

MonthDay highSeaRainCrowdsHappening
January68°F / 20°C66°F / 19°C6 daysModerate—
February68°F / 20°C65°F / 18°C6 daysModerate—
March69°F / 21°C64°F / 18°C6 daysModerate—
April70°F / 21°C65°F / 18°C5 daysBusy—
May72°F / 22°C67°F / 19°C3 daysBusy—
June75°F / 24°C69°F / 21°C1 dayModerate—
July78°F / 26°C72°F / 22°C<1 dayBusy—
August80°F / 27°C74°F / 23°C<1 dayPeak—
September80°F / 27°C75°F / 24°C3 daysBusyGrape harvest; warmest sea of the year
October77°F / 25°C74°F / 23°C7 daysModerate—
November73°F / 23°C71°F / 22°C7 daysModerate—
December70°F / 21°C68°F / 20°C9 daysPeakNew Year's Eve fireworks over Funchal's bay

Climate source: Funchal, Climate: Funchal Observatory 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Funchal (SeaTemperatu.re).

Marbella, Spain

May to June and September to early October are ideal: hot, dry days, a sea warm enough to swim and calmer beaches than July and August. Winter stays mild and sunny, good for golf and long lunches.

MonthDay highSeaRainCrowdsHappening
January63°F / 17°C61°F / 16°C5 daysQuietGolf season in full swing
February64°F / 18°C60°F / 16°C5 daysQuiet—
March68°F / 20°C60°F / 16°C5 daysModerateHoly Week processions in Málaga (March or April)
April71°F / 22°C62°F / 17°C4 daysModerateHoly Week processions in Málaga (March or April)
May77°F / 25°C65°F / 18°C3 daysModerateBeach clubs open for the season
June83°F / 28°C70°F / 21°C<1 dayBusyStarlite opens (through August)
July88°F / 31°C73°F / 23°C0 daysPeakStarlite
August89°F / 32°C74°F / 23°C<1 dayPeakStarlite; Sotogrande International Polo Tournament (Sotogrande, 50 km west)
September83°F / 28°C71°F / 22°C2 daysBusy—
October76°F / 24°C69°F / 21°C5 daysModerate—
November68°F / 20°C65°F / 18°C5 daysQuiet—
December64°F / 18°C62°F / 17°C6 daysQuiet—

Climate and sea source: Málaga, Climate: Málaga Airport 1991–2020 (Wikipedia).

Barcelona, Spain

May, June and late September to October are ideal: warm days for walking the city, a sea fit for swimming from June, and less heat and fewer crowds than July and August. Barcelona is a year-round city, so winter is mild and never truly empty.

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C55°F / 13°C4 daysModerate—
February58°F / 14°C55°F / 13°C3 daysModerate—
March62°F / 17°C55°F / 13°C4 daysModerate—
April65°F / 18°C57°F / 14°C6 daysBusySant Jordi, the day of books and roses
May71°F / 22°C63°F / 17°C5 daysBusy—
June78°F / 26°C70°F / 21°C3 daysBusyBarcelona-Catalunya Grand Prix (even years)
July83°F / 28°C75°F / 24°C2 daysPeakFestival Castell de Peralada (Costa Brava, about 2 hours north)
August84°F / 29°C77°F / 25°C4 daysPeak—
September79°F / 26°C75°F / 24°C6 daysBusyLa Mercè, the city's festival
October72°F / 22°C70°F / 21°C6 daysBusy—
November64°F / 18°C63°F / 17°C5 daysModerate—
December58°F / 14°C59°F / 15°C4 daysModerateChristmas markets

Climate source: Barcelona, Climate: Barcelona Airport 1991–2020 (Wikipedia). Sea source: Barcelona weather by month (weather2travel.com).

Mallorca, Spain

June and September are ideal: warm sea, reliable sun and room to breathe in the coves and harbours, with superyacht racing off Palma in June. July and August are the hottest and fullest months.

MonthDay highSeaRainCrowdsHappening
January60°F / 16°C58°F / 14°C6 daysQuiet—
February60°F / 16°C57°F / 14°C6 daysQuietAlmond blossom across the island
March64°F / 18°C57°F / 14°C5 daysQuiet—
April68°F / 20°C61°F / 16°C5 daysModerateYacht season opens
May73°F / 23°C66°F / 19°C3 daysModerate—
June81°F / 27°C73°F / 23°C2 daysBusySuperyacht Cup Palma
July86°F / 30°C77°F / 25°C<1 dayPeakCopa del Rey MAPFRE (Palma; late July or early August)
August86°F / 30°C79°F / 26°C2 daysPeakCopa del Rey MAPFRE (Palma; late July or early August)
September81°F / 27°C77°F / 25°C5 daysBusyGrape harvest
October75°F / 24°C73°F / 23°C6 daysModerate—
November67°F / 19°C67°F / 19°C7 daysQuiet—
December62°F / 17°C61°F / 16°C6 daysQuiet—

Climate and sea source: Palma de Mallorca, Climate: Puerto de Palma 1991–2020 (Wikipedia).

Ibiza, Spain

June and September are ideal: the island is fully open, the sea is warm and the villas and beach clubs are calmer than in July and August. For the quiet, rural Ibiza, come in May or October.

MonthDay highSeaRainCrowdsHappening
January60°F / 16°C59°F / 15°C5 daysQuiet—
February61°F / 16°C58°F / 14°C4 daysQuietAlmond blossom
March64°F / 18°C58°F / 14°C4 daysQuiet—
April68°F / 20°C61°F / 16°C4 daysQuiet—
May74°F / 23°C66°F / 19°C3 daysModerateClub season opening parties (May into June)
June81°F / 27°C73°F / 23°C1 dayBusyClub season opening parties
July86°F / 30°C77°F / 25°C<1 dayPeak—
August87°F / 31°C79°F / 26°C2 daysPeak—
September82°F / 28°C77°F / 25°C4 daysBusy—
October75°F / 24°C73°F / 23°C6 daysModerateClub season closing parties
November67°F / 19°C67°F / 19°C6 daysQuiet—
December62°F / 17°C62°F / 17°C6 daysQuiet—

Climate and sea source: Ibiza, Climate: Eivissa Airport (Wikipedia).

Gibraltar

May, June and September to October are ideal: warm, settled days for the Upper Rock, St Michael's Cave and the Great Siege Tunnels, and a sea warm enough to swim from June. In spring and autumn, great flights of migrating birds of prey cross the Strait over the Rock. In summer the Levante, the humid east wind, can wrap the Rock in its own cloud; winter is mild.

MonthDay highSeaRainCrowdsHappening
January61°F / 16°C61°F / 16°C7 daysQuiet—
February62°F / 17°C60°F / 16°C6 daysQuiet—
March65°F / 18°C60°F / 16°C7 daysModerateSpring migration of birds of prey across the Strait begins
April68°F / 20°C62°F / 17°C7 daysModerateSpring migration across the Strait
May73°F / 23°C65°F / 18°C4 daysBusy—
June78°F / 26°C70°F / 21°C1 dayBusy—
July83°F / 28°C73°F / 23°C<1 dayPeak—
August83°F / 28°C74°F / 23°C<1 dayPeakAutumn migration across the Strait begins
September79°F / 26°C71°F / 22°C3 daysBusyAutumn migration of birds of prey across the Strait
October73°F / 23°C69°F / 21°C6 daysModerate—
November66°F / 19°C65°F / 18°C7 daysQuiet—
December63°F / 17°C62°F / 17°C8 daysQuiet—

Climate and sea source: Climate of Gibraltar: Gibraltar International Airport 1991–2020 (Wikipedia).

Saint-Tropez, France

June and September are ideal: the yachts, beach clubs and villas are all in full swing, without the August crush, and September brings Les Voiles de Saint-Tropez. Most of the town's hotels and beach clubs close from late autumn to spring.

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C57°F / 14°C6 daysQuiet—
February57°F / 14°C55°F / 13°C5 daysQuiet—
March61°F / 16°C55°F / 13°C5 daysQuiet—
April65°F / 18°C57°F / 14°C6 daysModerateHotels and beach clubs reopen
May71°F / 22°C63°F / 17°C4 daysModerateLes Bravades, the town's historic festival
June78°F / 26°C68°F / 20°C3 daysBusyGlobal Champions Tour; Loro Piana Giraglia starts here
July84°F / 29°C73°F / 23°C<1 dayPeakPolo Saint-Tropez (Gassin)
August84°F / 29°C75°F / 24°C2 daysPeak—
September78°F / 26°C72°F / 22°C5 daysBusyLes Voiles de Saint-Tropez (into October)
October71°F / 22°C68°F / 20°C7 daysModerateLes Voiles de Saint-Tropez ends; season winds down
November63°F / 17°C63°F / 17°C8 daysQuiet—
December58°F / 14°C59°F / 15°C6 daysQuiet—

Climate source: Hyères, Climate: Hyères 1991–2020 (Wikipedia), the nearest full station, about 40 km west. Sea source: Saint-Tropez weather by month (weather2travel.com).

Cannes and Antibes, France

June and September are ideal: warm sea, open beach clubs and the big yacht shows of September, without the peak of July and August. May is glamorous but book far ahead: the Film Festival fills every suite on the coast.

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C57°F / 14°C6 daysQuiet—
February57°F / 14°C55°F / 13°C5 daysQuiet—
March61°F / 16°C55°F / 13°C6 daysModerate—
April65°F / 18°C57°F / 14°C6 daysModerate—
May71°F / 22°C63°F / 17°C5 daysPeakCannes Film Festival; amfAR Gala (Cap d'Antibes)
June78°F / 26°C68°F / 20°C4 daysBusyGlobal Champions Tour (Cannes); Monaco Grand Prix (an hour east)
July83°F / 28°C73°F / 23°C2 daysPeakJazz à Juan (Juan-les-Pins, Antibes)
August84°F / 29°C75°F / 24°C3 daysPeak—
September78°F / 26°C72°F / 22°C5 daysBusyCannes Yachting Festival; Régates Royales; Monaco Yacht Show (an hour east)
October70°F / 21°C68°F / 20°C8 daysModerate—
November63°F / 17°C63°F / 17°C9 daysQuiet—
December58°F / 14°C59°F / 15°C6 daysQuiet—

Climate source: Cannes, Climate: Cannes 1991–2020 (Wikipedia). Sea source: Cannes weather by month (weather2travel.com).

Nice and Cap Ferrat, France

Late May to June and September are ideal: the sea is warm, the days are long and the coast is calmer than in July and August. October still has a 19°C (67°F) sea, but brings more rain.

MonthDay highSeaRainCrowdsHappening
January56°F / 13°C56°F / 13°C6 daysQuietRallye Monte-Carlo, next door in Monaco and the French Alps
February56°F / 13°C55°F / 13°C5 daysModerate—
March60°F / 16°C56°F / 13°C5 daysQuiet—
April63°F / 17°C58°F / 14°C6 daysModerate—
May70°F / 21°C64°F / 18°C5 daysBusyCannes Film Festival; amfAR Gala Cannes, Cap d'Antibes
June77°F / 25°C71°F / 22°C4 daysBusyMonaco Grand Prix, next door; Global Champions Tour, Cannes
July82°F / 28°C74°F / 23°C2 daysPeakJazz à Juan, Juan-les-Pins; high summer on the Riviera
August82°F / 28°C75°F / 24°C2 daysPeakHigh summer; warmest sea of the year
September77°F / 25°C72°F / 22°C5 daysBusyCannes Yachting Festival; Régates Royales, Cannes; Monaco Yacht Show, next door
October70°F / 21°C67°F / 19°C8 daysModerate—
November63°F / 17°C63°F / 17°C9 daysQuiet—
December57°F / 14°C59°F / 15°C6 daysQuiet—

Climate and sea source: Nice, Climate: Nice Côte d'Azur Airport 1991–2020 (Wikipedia).

Corsica, France

Covers Bonifacio and Porto-Vecchio in the south and Calvi in the north-west; figures are for Bonifacio. June and September are ideal: a warm sea, the hotels and beach restaurants open, and the coves and harbours far calmer than in July and August. Most of the island's best hotels close from late October to April.

MonthDay highSeaRainCrowdsHappening
January55°F / 13°C57°F / 14°C8 daysQuietMost hotels closed
February55°F / 13°C57°F / 14°C7 daysQuietMost hotels closed
March58°F / 14°C57°F / 14°C7 daysQuietMost hotels closed
April62°F / 17°C59°F / 15°C7 daysQuietHotels begin to reopen
May69°F / 21°C65°F / 18°C5 daysModerate—
June76°F / 24°C72°F / 22°C2 daysBusyLoro Piana Giraglia rounds the Giraglia rock off Cap Corse, in the north
July81°F / 27°C75°F / 24°C1 dayPeak—
August82°F / 28°C76°F / 24°C2 daysPeakWarmest sea of the year
September77°F / 25°C75°F / 24°C5 daysBusy—
October70°F / 21°C70°F / 21°C7 daysModerateSeason ends; most hotels close
November63°F / 17°C65°F / 18°C10 daysQuiet—
December57°F / 14°C60°F / 16°C9 daysQuiet—

Climate source: Bonifacio, Climate: Cape Pertusato 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Porto-Vecchio (SeaTemperatu.re).

Monaco

June and September are the best months: warm sea, long days, and the two great moments of the year, the Grand Prix and the Monaco Yacht Show. Late May is lovely too, and spring brings the tennis.

MonthDay highSeaRainCrowdsHappening
January55°F / 13°C56°F / 13°C6 daysModerateMonte-Carlo International Circus Festival; Rallye Monte-Carlo
February55°F / 13°C56°F / 13°C5 daysQuiet—
March59°F / 15°C56°F / 13°C5 daysQuietBal de la Rose
April62°F / 17°C58°F / 14°C7 daysModerateRolex Monte-Carlo Masters; Grand Prix de Monaco Historique (even years)
May69°F / 21°C64°F / 18°C6 daysBusyTop Marques Monaco; Monaco E-Prix
June75°F / 24°C71°F / 22°C4 daysPeakMonaco Grand Prix; Monte-Carlo Television Festival
July80°F / 27°C74°F / 23°C2 daysPeakMonte-Carlo Summer Festival; Monaco Red Cross Gala
August80°F / 27°C74°F / 23°C3 daysPeakHigh summer; warmest sea of the year
September75°F / 24°C72°F / 22°C5 daysBusyMonaco Yacht Show; Monaco Classic Week (odd years)
October69°F / 21°C67°F / 19°C7 daysModerate—
November62°F / 17°C63°F / 17°C7 daysQuietMonte-Carlo Jazz Festival; Monaco National Day
December57°F / 14°C59°F / 15°C7 daysQuiet—

Climate and sea source: Monaco, Climate: 1981–2010 (Wikipedia).

Portofino, Italy

June and September are ideal: the sea is warm (23°C, 74°F), the harbour is lively but not packed, and the hills are pleasant for walking. July and August are hottest and busiest. Day highs and rain are from the Genoa station, about 30 km west.

MonthDay highSeaRainCrowdsHappening
January54°F / 12°C57°F / 14°C6 daysQuiet—
February55°F / 13°C56°F / 13°C5 daysQuiet—
March59°F / 15°C57°F / 14°C5 daysQuiet—
April64°F / 18°C60°F / 16°C7 daysModerateFeast of San Giorgio, Portofino's patron saint
May71°F / 22°C66°F / 19°C6 daysBusy—
June77°F / 25°C74°F / 23°C4 daysBusy—
July82°F / 28°C76°F / 24°C3 daysPeakHigh summer; yachts fill the bay
August83°F / 28°C77°F / 25°C4 daysPeakHigh summer; warmest sea of the year
September77°F / 25°C74°F / 23°C6 daysBusy—
October69°F / 21°C69°F / 21°C7 daysModerate—
November61°F / 16°C65°F / 18°C9 daysQuiet—
December56°F / 13°C60°F / 16°C7 daysQuiet—

Climate source: Genoa, Climate: 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Portofino (SeaTemperatu.re).

Venice, Italy

Late April to May and late September to October are best: mild days, fewer people than summer, and the Biennale is open. February belongs to Carnival; July and August are hot, humid and crowded.

MonthDay highSeaRainCrowdsHappening
January46°F / 8°C50°F / 10°C6 daysQuiet—
February49°F / 9°C48°F / 9°C5 daysBusyVenice Carnival; Il Ballo del Doge
March56°F / 13°C50°F / 10°C6 daysModerate—
April63°F / 17°C56°F / 13°C8 daysBusy—
May72°F / 22°C66°F / 19°C8 daysBusyVenice Biennale opens (Art in even years, Architecture in odd years)
June79°F / 26°C74°F / 23°C9 daysPeak—
July83°F / 28°C78°F / 26°C6 daysPeakFesta del Redentore fireworks
August83°F / 28°C78°F / 26°C6 daysPeak—
September75°F / 24°C75°F / 24°C6 daysBusyVenice Film Festival, the Lido; Regata Storica
October65°F / 18°C67°F / 19°C7 daysBusy—
November55°F / 13°C61°F / 16°C6 daysModerateFesta della Madonna della Salute
December47°F / 8°C56°F / 13°C6 daysModerate—

Climate and sea source: Venice, Climate: 1991–2020 (Wikipedia).

Rome, Italy

April to May and late September to October are best: warm, bright days without the heat of July and August, when highs reach 32°C (89°F). The sea at Ostia, Rome's nearest beach, is warmest from July to September.

MonthDay highSeaRainCrowdsHappening
January54°F / 12°C58°F / 14°C7 daysModerate—
February55°F / 13°C57°F / 14°C7 daysModerate—
March60°F / 16°C58°F / 14°C7 daysBusy—
April66°F / 19°C61°F / 16°C7 daysPeakEaster at the Vatican (some years in March)
May72°F / 22°C66°F / 19°C6 daysPeakInternazionali BNL d'Italia; Piazza di Siena
June83°F / 28°C74°F / 23°C3 daysPeakFeast of Saints Peter and Paul, Rome's patron saints
July88°F / 31°C77°F / 25°C2 daysBusy—
August89°F / 32°C77°F / 25°C2 daysBusyFerragosto; many Romans leave the city
September80°F / 27°C76°F / 24°C6 daysPeak—
October72°F / 22°C71°F / 22°C7 daysPeak—
November62°F / 17°C67°F / 19°C9 daysModerate—
December55°F / 13°C61°F / 16°C9 daysBusyChristmas at St Peter's

Climate source: Rome, Climate: Rome Ciampino Airport 1991–2020 (Wikipedia). Sea source: Best Time To Swim In Lido Di Ostia (SeaTemperatu.re).

Costa Smeralda, Sardinia, Italy

June and September are ideal: the sea is warm (23–24°C, 73–75°F), the hotels and beach clubs are open, and the coast is far calmer than in July and August. September also brings the great maxi-yacht racing at Porto Cervo.

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C58°F / 14°C7 daysQuiet—
February58°F / 14°C57°F / 14°C8 daysQuiet—
March61°F / 16°C57°F / 14°C8 daysQuiet—
April66°F / 19°C60°F / 16°C8 daysQuietThe season begins; the first hotels reopen
May74°F / 23°C65°F / 18°C4 daysModerate—
June82°F / 28°C73°F / 23°C3 daysBusy—
July88°F / 31°C76°F / 24°C1 dayPeakHigh summer; superyachts fill Porto Cervo
August88°F / 31°C77°F / 25°C3 daysPeakFerragosto; warmest sea of the year
September81°F / 27°C75°F / 24°C5 daysBusyMaxi Yacht Rolex Cup, Porto Cervo; Rolex Swan Cup, Porto Cervo (even years)
October74°F / 23°C71°F / 22°C5 daysQuietThe season ends; most hotels close
November64°F / 18°C67°F / 19°C6 daysQuiet—
December59°F / 15°C61°F / 16°C9 daysQuiet—

Climate source: Olbia, Climate: 1981–2010 (Wikipedia). Sea source: Best Time To Swim In Olbia (SeaTemperatu.re).

Amalfi Coast, Italy

Late May, June and September are ideal: hot dry days, a sea warm enough for swimming and fewer crowds than July and August. Many hotels and restaurants close from November to March.

MonthDay highSeaRainCrowdsHappening
January56°F / 13°C58°F / 14°C12 daysQuietMany hotels closed for the season
February58°F / 14°C57°F / 14°C11 daysQuietMany hotels closed for the season
March63°F / 17°C58°F / 14°C11 daysQuietHotels begin to reopen
April69°F / 21°C60°F / 16°C10 daysModerateSeason opens
May76°F / 24°C66°F / 19°C7 daysBusy—
June83°F / 28°C75°F / 24°C5 daysBusy—
July88°F / 31°C79°F / 26°C4 daysPeakRavello Festival
August88°F / 31°C79°F / 26°C5 daysPeak—
September83°F / 28°C77°F / 25°C7 daysBusy—
October75°F / 24°C71°F / 22°C9 daysModerateSeason winds down
November66°F / 19°C67°F / 19°C13 daysQuietMany hotels close
December59°F / 15°C62°F / 17°C14 daysQuiet—

Climate source: Salerno, Climate (Wikipedia). Sea source: Naples, Climate (Wikipedia).

Capri, Italy

June and September are best: warm sea for swimming off the rocks and boats, and the island is calmer than in July and August, when day-trippers crowd the Piazzetta. Most hotels close from November to March.

MonthDay highSeaRainCrowdsHappening
January56°F / 13°C58°F / 14°C9 daysQuietMost hotels closed
February57°F / 14°C57°F / 14°C9 daysQuietMost hotels closed
March62°F / 17°C58°F / 14°C9 daysQuietMost hotels closed
April67°F / 19°C60°F / 16°C9 daysModerateSeason opens
May75°F / 24°C66°F / 19°C6 daysBusy—
June82°F / 28°C75°F / 24°C3 daysBusy—
July87°F / 31°C79°F / 26°C2 daysPeak—
August88°F / 31°C79°F / 26°C4 daysPeak—
September80°F / 27°C77°F / 25°C6 daysBusy—
October73°F / 23°C71°F / 22°C9 daysModerateSeason winds down
November65°F / 18°C67°F / 19°C10 daysQuietMost hotels close
December58°F / 14°C62°F / 17°C10 daysQuiet—

Climate and sea source: Naples, Climate (Wikipedia).

Taormina, Sicily, Italy

May, June and September to early October are ideal: warm sea, long dry days and fewer people than in July and August. June brings film premieres in the ancient Greek theatre.

MonthDay highSeaRainCrowdsHappening
January59°F / 15°C59°F / 15°C11 daysQuiet—
February59°F / 15°C57°F / 14°C10 daysQuiet—
March62°F / 17°C57°F / 14°C9 daysQuiet—
April67°F / 19°C59°F / 15°C7 daysModerateSeason opens
May74°F / 23°C64°F / 18°C4 daysBusy—
June82°F / 28°C72°F / 22°C3 daysBusyTaormina Film Festival
July88°F / 31°C77°F / 25°C2 daysPeak—
August89°F / 32°C79°F / 26°C2 daysPeak—
September82°F / 28°C77°F / 25°C7 daysBusy—
October75°F / 24°C72°F / 22°C8 daysModerate—
November68°F / 20°C66°F / 19°C11 daysQuiet—
December61°F / 16°C63°F / 17°C12 daysQuiet—

Climate source: Messina, Climate (Wikipedia). Sea source: Taormina weather by month (weather2travel.com).

Malta

May, June and late September to October are best: warm sea, almost no rain and fewer people than in high summer. Malta's mild winters make it a good choice out of season too.

MonthDay highSeaRainCrowdsHappening
January60°F / 16°C60°F / 16°C10 daysQuietValletta Baroque Festival
February60°F / 16°C59°F / 15°C8 daysQuiet—
March63°F / 17°C59°F / 15°C6 daysModerate—
April68°F / 20°C61°F / 16°C4 daysModerate—
May76°F / 24°C64°F / 18°C2 daysBusy—
June84°F / 29°C70°F / 21°C1 dayBusy—
July89°F / 32°C75°F / 24°C0 daysPeak—
August90°F / 32°C78°F / 26°C1 dayPeak—
September84°F / 29°C77°F / 25°C4 daysBusy—
October77°F / 25°C74°F / 23°C7 daysBusyRolex Middle Sea Race
November69°F / 21°C69°F / 21°C9 daysModerate—
December63°F / 17°C63°F / 17°C10 daysQuiet—

Climate source: Valletta, Climate (Wikipedia). Sea source: Climate of Malta (Wikipedia).

Piran, Slovenia

June and September are ideal: warm days, a sea warm enough to swim and a quieter town than in July and August. The northern Adriatic is cool from November to April.

MonthDay highSeaRainCrowdsHappening
January49°F / 9°C51°F / 11°C11 daysQuiet—
February51°F / 11°C49°F / 9°C10 daysQuiet—
March58°F / 14°C50°F / 10°C11 daysQuiet—
April65°F / 18°C56°F / 13°C13 daysModerate—
May73°F / 23°C65°F / 18°C14 daysModerate—
June81°F / 27°C74°F / 23°C13 daysBusy—
July85°F / 29°C77°F / 25°C12 daysPeak—
August85°F / 29°C77°F / 25°C11 daysPeak—
September77°F / 25°C74°F / 23°C12 daysBusy—
October67°F / 19°C67°F / 19°C13 daysModerate—
November58°F / 14°C61°F / 16°C14 daysQuiet—
December51°F / 11°C56°F / 13°C12 daysQuiet—

Rain here comes from a source that counts rainy days more loosely, so the figures run higher than at most destinations.

Climate source: Portorož, Climate (Wikipedia). Sea source: Best Time To Swim In Piran (SeaTemperatu.re).

Hvar and Split, Croatia

Late May to June and September are ideal: the sea is already warm, the days are long, and the harbours are calmer than in the July and August peak.

MonthDay highSeaRainCrowdsHappening
January51°F / 11°C54°F / 12°C11 daysQuietMany Hvar hotels closed
February53°F / 12°C53°F / 12°C9 daysQuiet—
March58°F / 14°C53°F / 12°C10 daysQuiet—
April65°F / 18°C57°F / 14°C10 daysModerateSeason begins on Hvar
May74°F / 23°C63°F / 17°C9 daysBusyFeast of St. Domnius, Split's patron saint
June83°F / 28°C70°F / 21°C8 daysBusyHvar lavender in bloom
July88°F / 31°C74°F / 23°C5 daysPeakSplit Summer Festival opens (through mid-August)
August88°F / 31°C74°F / 23°C5 daysPeakSplit Summer Festival ends
September78°F / 26°C71°F / 22°C8 daysBusyGrape harvest
October69°F / 21°C67°F / 19°C9 daysModerateSeason winds down
November60°F / 16°C62°F / 17°C12 daysQuietOlive harvest
December53°F / 12°C57°F / 14°C12 daysQuiet—

Rain here counts every day with measurable rain, so the figures run higher than at most destinations.

Climate and sea source: Split, Climate (Wikipedia).

Dubrovnik, Croatia

May, early June and late September to October are best: warm sea and pleasant days, without the July and August crowds on the walls and in the Old Town.

MonthDay highSeaRainCrowdsHappening
January54°F / 12°C57°F / 14°C11 daysQuiet—
February55°F / 13°C58°F / 14°C11 daysQuietFeast of St Blaise, the city's patron
March58°F / 14°C58°F / 14°C11 daysQuiet—
April62°F / 17°C60°F / 16°C12 daysModerate—
May71°F / 22°C66°F / 19°C9 daysBusy—
June78°F / 26°C74°F / 23°C6 daysPeak—
July83°F / 28°C78°F / 26°C5 daysPeakDubrovnik Summer Festival
August83°F / 28°C78°F / 26°C5 daysPeak—
September77°F / 25°C76°F / 24°C7 daysPeak—
October70°F / 21°C69°F / 21°C11 daysBusy—
November62°F / 17°C65°F / 18°C12 daysQuiet—
December56°F / 13°C60°F / 16°C12 daysQuiet—

Rain here counts every day with measurable rain, so the figures run higher than at most destinations.

Climate and sea source: Dubrovnik, Climate (Wikipedia).

Mostar, Bosnia and Herzegovina

May, June and September are best for walking Mostar's Ottoman old town and the Old Bridge over the Neretva, without the 32°C+ (90°F+) heat of July and August. Mostar is inland, a culture destination often visited as a day trip from Dubrovnik, about 2 hours 30 minutes by car with the border crossing.

MonthDay highSeaRainCrowdsHappening
January49°F / 9°Cn/a, inland10 daysQuiet—
February53°F / 12°Cn/a, inland9 daysQuiet—
March60°F / 16°Cn/a, inland9 daysQuiet—
April68°F / 20°Cn/a, inland10 daysModerate—
May77°F / 25°Cn/a, inland9 daysBusy—
June86°F / 30°Cn/a, inland7 daysBusy—
July91°F / 33°Cn/a, inland5 daysPeakTraditional diving from the Old Bridge
August92°F / 33°Cn/a, inland5 daysPeakSarajevo Film Festival (Sarajevo, about 2 hours 30 minutes north)
September81°F / 27°Cn/a, inland7 daysBusyGrape harvest in Herzegovina
October71°F / 22°Cn/a, inland9 daysModerate—
November59°F / 15°Cn/a, inland11 daysQuiet—
December50°F / 10°Cn/a, inland11 daysQuiet—

Climate source: Mostar, Climate (Wikipedia).

Bay of Kotor, Montenegro

June and September are best: warm water in the bay and long days, with fewer cruise ships and crowds in Kotor's old town than in July and August.

MonthDay highSeaRainCrowdsHappening
January55°F / 13°C58°F / 14°C14 daysQuiet—
February57°F / 14°C58°F / 14°C13 daysQuiet—
March61°F / 16°C58°F / 14°C13 daysQuiet—
April67°F / 19°C61°F / 16°C12 daysModerateCruise season begins
May75°F / 24°C66°F / 19°C10 daysBusy—
June83°F / 28°C74°F / 23°C8 daysBusy—
July88°F / 31°C79°F / 26°C6 daysPeakKotorArt opens (through mid-August)
August89°F / 32°C78°F / 26°C6 daysPeakKotorArt ends
September80°F / 27°C76°F / 24°C8 daysBusy—
October73°F / 23°C70°F / 21°C10 daysModerateCruise season winds down
November64°F / 18°C65°F / 18°C14 daysQuiet—
December57°F / 14°C61°F / 16°C15 daysQuiet—

Rain here counts every day with measurable rain, so the figures run higher than at most destinations.

Climate source: Herceg Novi, Climate (Wikipedia). Sea source: Best Time To Swim In Kotor (SeaTemperatu.re).

Albanian Riviera, Albania

June and September are best: warm sea and almost no rain, with the beaches far quieter than in the July and August peak.

MonthDay highSeaRainCrowdsHappening
January56°F / 13°C59°F / 15°C13 daysQuiet—
February57°F / 14°C59°F / 15°C12 daysQuiet—
March61°F / 16°C60°F / 16°C14 daysQuiet—
April66°F / 19°C61°F / 16°C11 daysQuiet—
May74°F / 23°C66°F / 19°C9 daysModerateSeason begins
June81°F / 27°C73°F / 23°C6 daysBusy—
July86°F / 30°C78°F / 26°C3 daysPeak—
August86°F / 30°C79°F / 26°C3 daysPeak—
September81°F / 27°C77°F / 25°C5 daysBusy—
October73°F / 23°C71°F / 22°C10 daysModerateSeason winds down; olive harvest begins
November65°F / 18°C66°F / 19°C17 daysQuiet—
December58°F / 14°C62°F / 17°C17 daysQuiet—

Climate source: Vlorë, Climate (Wikipedia). Sea source: Best Time To Swim In Vlore (SeaTemperatu.re).

Athens Riviera, Greece

Late May to June and September to early October are ideal: warm sea, dry days and none of the 32°C (90°F) heat of July and August.

MonthDay highSeaRainCrowdsHappening
January57°F / 14°C60°F / 16°C13 daysQuiet—
February57°F / 14°C60°F / 16°C11 daysQuiet—
March61°F / 16°C60°F / 16°C11 daysModerate—
April67°F / 19°C61°F / 16°C9 daysModerate—
May76°F / 24°C66°F / 19°C6 daysBusyBeach clubs open
June85°F / 29°C73°F / 23°C4 daysBusyAthens Epidaurus Festival opens (through August); Spetses Classic Yacht Regatta, in the Saronic Gulf
July90°F / 32°C79°F / 26°C2 daysPeak—
August90°F / 32°C80°F / 27°C2 daysPeakAthens Epidaurus Festival ends
September83°F / 28°C77°F / 25°C5 daysBusy—
October74°F / 23°C73°F / 23°C9 daysModerate—
November66°F / 19°C67°F / 19°C11 daysQuietAthens Marathon, the Authentic
December59°F / 15°C62°F / 17°C14 daysQuiet—

Climate source: Elliniko, Climate: coastal Athens (Wikipedia). Sea source: Best Time To Swim In Glyfada (SeaTemperatu.re).

The Peloponnese, Greece

Covers Costa Navarino in Messinia and Porto Heli, home of Amanzoe, in the Argolid. Late May to June and September to October are ideal: a warm sea, dry days and none of the 31°C (88°F) heat of July and August. Temperatures are for Kalamata, about 45 minutes from Costa Navarino.

MonthDay highSeaRainCrowdsHappening
January59°F / 15°C62°F / 17°C14 daysQuiet—
February59°F / 15°C61°F / 16°C14 daysQuiet—
March62°F / 17°C62°F / 17°C12 daysQuiet—
April68°F / 20°C63°F / 17°C10 daysQuietSeason opens
May76°F / 24°C67°F / 19°C7 daysModerate—
June84°F / 29°C74°F / 23°C3 daysBusyAthens Epidaurus Festival opens at the ancient theatre of Epidaurus, about an hour from Porto Heli (through August); Spetses Classic Yacht Regatta, off Porto Heli
July88°F / 31°C79°F / 26°C2 daysPeak—
August88°F / 31°C79°F / 26°C2 daysPeakAthens Epidaurus Festival ends
September83°F / 28°C79°F / 26°C6 daysBusy—
October76°F / 24°C74°F / 23°C10 daysModerateSeason winds down
November67°F / 19°C69°F / 21°C13 daysQuietOlive harvest in Messinia
December61°F / 16°C65°F / 18°C16 daysQuiet—

Rain here comes from a source that counts rainy days more loosely, so the figures run higher than at most destinations.

Climate source: Kalamata, Climate: Kalamata Airport 1971–2010 (Wikipedia). Sea source: Best Time To Swim In Kalamata (SeaTemperatu.re).

Mykonos, Greece

June and September are best: the island is fully open, the sea is warm and the meltemi wind is gentler than in July and August, when crowds and prices also peak.

MonthDay highSeaCrowdsHappening
January58°F / 14°C61°F / 16°CQuietMost hotels closed
February59°F / 15°C61°F / 16°CQuietMost hotels closed
March61°F / 16°C61°F / 16°CQuietMost hotels closed
April66°F / 19°C62°F / 17°CQuietFirst hotels reopen
May73°F / 23°C66°F / 19°CModerateHotels and beach clubs reopen
June79°F / 26°C72°F / 22°CBusy—
July82°F / 28°C77°F / 25°CPeakMeltemi wind season
August82°F / 28°C78°F / 26°CPeakMeltemi wind season
September78°F / 26°C75°F / 24°CBusy—
October72°F / 22°C71°F / 22°CModerateSeason ends; hotels begin to close
November67°F / 19°C66°F / 19°CQuiet—
December61°F / 16°C63°F / 17°CQuiet—

Rainy days are not published for Mykonos; rainfall is very low from May to September.

Climate source: Mykonos, Climate: National Observatory of Athens data (Wikipedia). Sea source: Best Time To Swim In Mykonos (SeaTemperatu.re).

Santorini, Greece

Late May to June and September are ideal: a warming sea, hot dry days and fewer people than July and August. October is still warm and much quieter.

MonthDay highSeaRainCrowdsHappening
January58°F / 14°C61°F / 16°C11 daysQuietOff season; many hotels closed
February59°F / 15°C61°F / 16°C10 daysQuietOff season; many hotels closed
March61°F / 16°C61°F / 16°C8 daysQuietHotels begin reopening late in the month
April67°F / 19°C61°F / 16°C5 daysModerateSeason opens
May74°F / 23°C66°F / 19°C3 daysBusy—
June82°F / 28°C72°F / 22°C1 dayBusy—
July86°F / 30°C73°F / 23°C1 dayPeak—
August86°F / 30°C75°F / 24°C1 dayPeak—
September81°F / 27°C75°F / 24°C1 dayBusy—
October73°F / 23°C72°F / 22°C4 daysModerateSeason winds down
November67°F / 19°C66°F / 19°C8 daysQuietMany hotels close
December60°F / 16°C63°F / 17°C12 daysQuietOff season; many hotels closed

Climate source: Santorini, Climate: National Observatory of Athens data (Wikipedia). Sea and rain source: Santorini weather by month (weather2travel.com).

Crete, Greece

Figures are for Heraklion. Late May to June and September to mid-October are ideal: the sea is warm, the days are long and dry, and the island is calmer than in July and August.

MonthDay highSeaRainCrowdsHappening
January59°F / 15°C63°F / 17°C14 daysQuiet—
February60°F / 16°C62°F / 17°C11 daysQuiet—
March62°F / 17°C62°F / 17°C10 daysQuiet—
April68°F / 20°C63°F / 17°C6 daysModerateSeason opens
May76°F / 24°C67°F / 19°C4 daysBusy—
June83°F / 28°C73°F / 23°C1 dayBusy—
July87°F / 31°C78°F / 26°C<1 dayPeak—
August86°F / 30°C79°F / 26°C<1 dayPeak—
September82°F / 28°C78°F / 26°C2 daysBusy—
October75°F / 24°C74°F / 23°C7 daysModerate—
November68°F / 20°C69°F / 21°C9 daysQuietOlive harvest begins
December62°F / 17°C65°F / 18°C13 daysQuietOlive harvest

Climate and sea source: Heraklion, Climate: Heraklion Airport 1991–2020 (Wikipedia).

Bodrum, Türkiye

June and September are ideal: the sea is already warm (24–27°C, 76–80°F) without the full heat and crowds of July and August, when it is at its warmest. Late May and early October suit those who prefer it cooler and quieter.

MonthDay highSeaRainCrowdsHappening
January60°F / 16°C65°F / 18°C10 daysQuiet—
February61°F / 16°C63°F / 17°C9 daysQuiet—
March65°F / 18°C62°F / 17°C7 daysQuiet—
April71°F / 22°C65°F / 18°C5 daysModerate—
May80°F / 27°C70°F / 21°C3 daysModerateYacht season opens
June90°F / 32°C76°F / 24°C2 daysBusy—
July95°F / 35°C80°F / 27°C1 dayPeak—
August96°F / 36°C81°F / 27°C1 dayPeak—
September88°F / 31°C80°F / 27°C2 daysBusy—
October80°F / 27°C78°F / 26°C4 daysModerate—
November70°F / 21°C72°F / 22°C6 daysQuiet—
December63°F / 17°C68°F / 20°C10 daysQuiet—

Climate and sea source: Bodrum, Climate: NOAA 1991–2020, sea from seatemperature.org (Wikipedia).

Istanbul, Türkiye

April to June and September to October are ideal: mild, bright days for the city and the Bosphorus, without the summer heat. The sea is swimmable only from June to September.

MonthDay highSeaRainCrowdsHappening
January48°F / 9°C47°F / 8°C17 daysQuiet—
February49°F / 9°C46°F / 8°C15 daysQuiet—
March54°F / 12°C47°F / 8°C13 daysModerate—
April61°F / 16°C50°F / 10°C10 daysBusyTulip season
May70°F / 21°C60°F / 16°C7 daysBusy—
June78°F / 26°C70°F / 21°C7 daysBusyIstanbul Music Festival
July82°F / 28°C76°F / 24°C5 daysPeak—
August83°F / 28°C77°F / 25°C5 daysPeak—
September76°F / 24°C73°F / 23°C8 daysBusyIstanbul Biennial (odd years)
October68°F / 20°C65°F / 18°C12 daysBusy—
November59°F / 15°C57°F / 14°C14 daysModerate—
December51°F / 11°C51°F / 11°C18 daysModerate—

Rain here counts every day with measurable rain, so the figures run higher than at most destinations.

Climate and sea source: Climate of Istanbul: Kireçburnu on the Bosphorus, sea from Weather Atlas (Wikipedia).

Limassol and Paphos, Cyprus

Figures are for Limassol. May to June and late September to October are ideal: a warm sea and sunshine without the fierce midsummer heat. Cyprus stays mild enough for the beach well into November.

MonthDay highSeaRainCrowdsHappening
January64°F / 18°C64°F / 18°C9 daysQuiet—
February64°F / 18°C63°F / 17°C7 daysQuiet—
March68°F / 20°C63°F / 17°C6 daysQuiet—
April73°F / 23°C65°F / 18°C3 daysModerate—
May80°F / 27°C69°F / 21°C1 dayBusy—
June87°F / 31°C76°F / 24°C<1 dayBusy—
July92°F / 33°C81°F / 27°C0 daysPeak—
August92°F / 33°C82°F / 28°C0 daysPeak—
September88°F / 31°C81°F / 27°C<1 dayBusyPafos Aphrodite Festival (Paphos)
October84°F / 29°C77°F / 25°C2 daysBusy—
November74°F / 23°C72°F / 22°C6 daysModerate—
December66°F / 19°C67°F / 19°C9 daysQuiet—

Climate and sea source: Limassol, Climate (Wikipedia).

Tel Aviv, Israel

May to June and September to October are ideal: beach weather and a warm sea without the humid peak of July and August.

MonthDay highSeaRainCrowdsHappening
January64°F / 18°C66°F / 19°C15 daysQuiet—
February64°F / 18°C64°F / 18°C13 daysQuiet—
March67°F / 19°C64°F / 18°C10 daysModerate—
April73°F / 23°C66°F / 19°C4 daysBusy—
May77°F / 25°C70°F / 21°C2 daysBusy—
June82°F / 28°C77°F / 25°C0 daysBusyTel Aviv Pride
July85°F / 29°C81°F / 27°C0 daysPeakIsrael Festival (Jerusalem)
August86°F / 30°C84°F / 29°C0 daysPeak—
September85°F / 29°C83°F / 28°C0 daysBusy—
October81°F / 27°C79°F / 26°C6 daysBusy—
November74°F / 23°C74°F / 23°C9 daysModerate—
December67°F / 19°C69°F / 21°C12 daysQuiet—

Climate and sea source: Tel Aviv, Climate (Wikipedia).

Alexandria and the North Coast, Egypt

Late May to June and late September to October are ideal: hot, dry days and a sea at 23–26°C (73–79°F), without the July and August rush, when much of Cairo moves to the North Coast for the summer.

MonthDay highSeaRainCrowdsHappening
January65°F / 18°C64°F / 18°C8 daysQuietWinter storm season, rough seas
February66°F / 19°C63°F / 17°C5 daysQuiet—
March70°F / 21°C63°F / 17°C3 daysQuiet—
April75°F / 24°C64°F / 18°C1 dayModerate—
May80°F / 27°C68°F / 20°C1 dayModerate—
June84°F / 29°C73°F / 23°C<1 dayBusyNorth Coast summer season opens
July87°F / 31°C77°F / 25°C<1 dayPeakNorth Coast summer season at its height
August88°F / 31°C79°F / 26°C<1 dayPeakNorth Coast summer season at its height
September86°F / 30°C79°F / 26°C<1 dayBusyWarmest sea of the year
October82°F / 28°C77°F / 25°C1 dayModerate—
November75°F / 24°C72°F / 22°C4 daysQuietCairo International Film Festival (in Cairo, about 3 hours away)
December68°F / 20°C68°F / 20°C6 daysQuiet—

Climate and sea source: Alexandria, Climate (Wikipedia).

Tunis and Sidi Bou Said, Tunisia

June and September are ideal: a sea at 22–25°C (72–77°F) and almost no rain, without the 34°C (93–94°F) heat of July and August.

MonthDay highSeaRainCrowdsHappening
January62°F / 17°C60°F / 16°C8 daysQuiet—
February62°F / 17°C59°F / 15°C8 daysQuiet—
March66°F / 19°C59°F / 15°C6 daysModerate—
April72°F / 22°C61°F / 16°C6 daysModerate—
May80°F / 27°C66°F / 19°C4 daysModerate—
June88°F / 31°C72°F / 22°C2 daysBusyJasmine season begins
July93°F / 34°C77°F / 25°C<1 dayPeak—
August94°F / 34°C78°F / 26°C2 daysPeakJasmine season
September87°F / 31°C77°F / 25°C5 daysBusy—
October80°F / 27°C73°F / 23°C6 daysModerate—
November71°F / 22°C69°F / 21°C7 daysQuiet—
December64°F / 18°C63°F / 17°C8 daysQuiet—

Climate source: Tunis, Climate (Wikipedia). Sea source: Best Time To Swim In Tunis (SeaTemperatu.re).

Algiers, Algeria

May to June and September to October are ideal: warm, mostly dry days in the 25–30°C (77–86°F) range and a sea at 18–24°C (65–76°F), with little foreign tourism at any time of year. Algiers, the capital, is our only destination in Algeria.

MonthDay highSeaRainCrowdsHappening
January63°F / 17°C60°F / 16°C8 daysQuiet—
February64°F / 18°C59°F / 15°C9 daysQuiet—
March68°F / 20°C60°F / 16°C7 daysQuiet—
April71°F / 22°C62°F / 17°C6 daysQuiet—
May77°F / 25°C65°F / 18°C4 daysQuiet—
June84°F / 29°C71°F / 22°C1 dayModerate—
July90°F / 32°C76°F / 24°C<1 dayBusyBeach season, mostly domestic
August91°F / 33°C78°F / 26°C1 dayBusyBeach season, mostly domestic
September86°F / 30°C76°F / 24°C4 daysModerate—
October80°F / 27°C73°F / 23°C5 daysQuiet—
November70°F / 21°C67°F / 19°C9 daysQuiet—
December65°F / 18°C62°F / 17°C8 daysQuiet—

Climate source: Algiers, Climate (Wikipedia). Sea source: Algiers water temperature by month (Climate-Data.org).

Tangier, Morocco

June and September are ideal: dry, sunny days of 25–27°C (77–81°F) and a sea at 22–23°C (71–73°F), without the July and August surge, when Moroccans living in Europe come home through the port.

MonthDay highSeaRainCrowdsHappening
January61°F / 16°C63°F / 17°C11 daysQuiet—
February62°F / 17°C62°F / 17°C11 daysQuiet—
March64°F / 18°C61°F / 16°C10 daysQuiet—
April67°F / 19°C64°F / 18°C9 daysModerate—
May71°F / 22°C66°F / 19°C6 daysModerate—
June77°F / 25°C71°F / 22°C4 daysBusySummer homecoming crossings begin
July83°F / 28°C74°F / 23°C<1 dayPeakSummer homecoming at its height
August84°F / 29°C75°F / 24°C<1 dayPeakSummer homecoming at its height; warmest sea
September81°F / 27°C73°F / 23°C3 daysBusy—
October75°F / 24°C71°F / 22°C8 daysModerate—
November67°F / 19°C67°F / 19°C11 daysQuiet—
December63°F / 17°C64°F / 18°C12 daysQuiet—

Climate source: Tangier, Climate (Wikipedia). Sea source: Best Time To Swim In Tangier (SeaTemperatu.re).

Marrakech, Morocco

March to April and October to November are ideal: warm, mostly dry days of 23–28°C (74–83°F), well clear of summer highs near 38°C (100°F). Marrakech lies inland, one of Morocco's imperial cities, a short flight from the Mediterranean coast.

MonthDay highSeaRainCrowdsHappening
January66°F / 19°Cn/a, inland3 daysModerateSnow on the High Atlas
February69°F / 21°Cn/a, inland4 daysBusySnow on the High Atlas
March75°F / 24°Cn/a, inland5 daysPeak—
April78°F / 26°Cn/a, inland3 daysPeak—
May85°F / 29°Cn/a, inland2 daysBusy—
June93°F / 34°Cn/a, inland<1 dayModerate—
July100°F / 38°Cn/a, inland<1 dayQuietHottest month
August99°F / 37°Cn/a, inland<1 dayModerate—
September91°F / 33°Cn/a, inland1 dayModerate—
October83°F / 28°Cn/a, inland2 daysBusy—
November74°F / 23°Cn/a, inland4 daysBusyMarrakech International Film Festival
December68°F / 20°Cn/a, inland4 daysPeakChristmas and New Year high season

Climate source: Marrakesh, Climate (Wikipedia).

The Mediterranean Season Letter

Where to be, every season

Four letters a year, one for each season: the Mediterranean from spring to autumn, and Beyond the Mediterranean, into the Alps, in winter. The one best hotel to book, and the events worth crossing a sea for.