When to go to the Greek islands

Pick a month and we will rank the islands by sea temperature. Values are approximate regional averages.

July · 20 islands have a sea of 21°C or warmer.

IslandSeaAirSea temperature through the year
RhodesDodecanese 26° 32°
KosDodecanese 26° 32°
SymiDodecanese 26° 32°
KastellorizoDodecanese 26° 32°
KalymnosDodecanese 26° 32°
LerosDodecanese 26° 32°
PatmosDodecanese 26° 32°
CorfuIonian Islands 25° 32°
ZakynthosIonian Islands 25° 32°
CreteCrete 25° 29°
ChiosNorth Aegean 24° 31°
LesvosNorth Aegean 24° 31°
SamosNorth Aegean 24° 31°
LemnosNorth Aegean 24° 31°
SamothraceNorth Aegean 24° 31°
SantoriniCyclades 23° 28°
MykonosCyclades 23° 28°
NaxosCyclades 23° 28°
ParosCyclades 23° 28°
MilosCyclades 23° 28°

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