When to go to the Greek islands
Pick a month and we will rank the islands by sea temperature. Values are approximate regional averages.
May · 8 islands have a sea of 21°C or warmer.
| Island | Sea | Air | Sea temperature through the year |
|---|---|---|---|
 RhodesDodecanese |
21° | 25° | |
 KosDodecanese |
21° | 25° | |
 SymiDodecanese |
21° | 25° | |
 KastellorizoDodecanese |
21° | 25° | |
 KalymnosDodecanese |
21° | 25° | |
 LerosDodecanese |
21° | 25° | |
 PatmosDodecanese |
21° | 25° | |
 CreteCrete |
21° | 24° | |
 CorfuIonian Islands |
20° | 25° | |
 ZakynthosIonian Islands |
20° | 25° | |
 |
19° | 24° | |
 LesvosNorth Aegean |
19° | 24° | |
 SamosNorth Aegean |
19° | 24° | |
 LemnosNorth Aegean |
19° | 24° | |
 SamothraceNorth Aegean |
19° | 24° | |
 SantoriniCyclades |
19° | 23° | |
 MykonosCyclades |
19° | 23° | |
 NaxosCyclades |
19° | 23° | |
 ParosCyclades |
19° | 23° | |
 MilosCyclades |
19° | 23° |
