When to go to the Greek islands
Pick a month and we will rank the islands by sea temperature. Values are approximate regional averages.
September · 20 islands have a sea of 21°C or warmer.
| Island | Sea | Air | Sea temperature through the year |
|---|---|---|---|
 RhodesDodecanese |
25° | 29° | |
 KosDodecanese |
25° | 29° | |
 SymiDodecanese |
25° | 29° | |
 KastellorizoDodecanese |
25° | 29° | |
 KalymnosDodecanese |
25° | 29° | |
 LerosDodecanese |
25° | 29° | |
 PatmosDodecanese |
25° | 29° | |
 CorfuIonian Islands |
25° | 28° | |
 ZakynthosIonian Islands |
25° | 28° | |
 CreteCrete |
25° | 27° | |
 |
23° | 27° | |
 LesvosNorth Aegean |
23° | 27° | |
 SamosNorth Aegean |
23° | 27° | |
 LemnosNorth Aegean |
23° | 27° | |
 SamothraceNorth Aegean |
23° | 27° | |
 SantoriniCyclades |
23° | 26° | |
 MykonosCyclades |
23° | 26° | |
 NaxosCyclades |
23° | 26° | |
 ParosCyclades |
23° | 26° | |
 MilosCyclades |
23° | 26° |
