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Which island is warm when? This page compares the sea temperature of every island we cover in the Mediterranean and the Atlantic (Canary Islands, Madeira, Azores) month by month. Pick a month for the full ranking with day and night temperatures, rain days and whether it is a month for swimming or hiking.

Average sea surface temperature by month (Open-Meteo Marine API, 3-year average). Islands sorted by October sea temperature. Click a month for the full ranking with air temperature and rain.
IslandJanFebMarAprMayJunJulAugSepOctNovDec
Cyprus19°18°18°19°20°24°27°28°28°26°24°21°
El Hierro21°21°21°21°21°23°24°24°24°25°24°22°
La Gomera21°20°20°21°21°22°23°24°24°24°23°22°
La Palma21°21°20°21°21°23°24°24°25°24°23°22°
Tenerife21°20°20°21°21°22°23°24°24°24°23°22°
Gozo17°16°16°17°19°24°27°27°27°24°22°19°
Malta17°16°16°17°19°24°27°27°27°24°22°19°
Comino17°16°16°17°19°24°27°27°27°24°22°19°
Crete17°17°17°18°20°24°27°28°26°24°22°19°
Mallorca15°15°15°17°20°24°27°28°26°24°20°17°
Gran Canaria21°20°20°21°22°23°23°24°24°24°23°22°
Menorca16°15°15°16°19°23°27°27°26°24°20°18°
Ithaca18°17°16°17°20°24°26°27°26°23°22°19°
Formentera16°15°15°17°20°24°27°28°27°23°20°17°
Corfu17°16°16°17°20°25°27°27°26°23°21°18°
Ibiza16°15°15°17°20°24°27°28°26°23°20°18°
Santorini18°17°17°18°19°23°25°26°25°23°21°19°
Lanzarote20°19°19°20°21°22°23°24°23°23°22°21°
Fuerteventura20°19°19°20°21°22°23°23°23°23°22°21°
Ischia16°15°15°17°20°24°27°27°25°23°20°18°
Capri16°15°15°17°20°24°27°27°25°23°20°18°
La Graciosa20°19°19°20°20°21°21°22°23°23°22°21°
Lavezzi Islands (also Cavallo, Île de Piana)15°14°15°16°18°22°25°26°24°22°20°17°
Île Sainte-Marguerite (also Île Saint-Honorat)15°14°14°16°19°23°26°27°24°21°18°16°
Port-Cros15°14°14°15°18°22°25°26°24°21°18°16°
Île du Levant15°14°14°15°18°22°25°26°24°21°18°16°
Porquerolles15°14°14°15°18°22°24°25°23°21°18°16°
Île du Gaou15°14°14°15°18°22°23°24°23°20°18°15°
Pomègues (also Frioul Islands, Ratonneau)15°14°14°15°17°22°23°24°22°20°17°15°
Île des Embiez15°14°14°15°18°22°23°24°23°20°18°15°

Data by Open-Meteo.com (CC BY 4.0).

Islands by month

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