Greek Islands weather in April
Averages for 36 places on the Greek islands in April, from 30 years of weather data.
Holiday weather in April
Poor
Best time to visit: June – September
Places on the Greek islands in April
Sorted by holiday weather score. Each place links to its own page for April.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Heraklion, Crete | 49 | 21° | 12° | 17° | 9 h | 5 |
| Agios Nikolaos | 46 | 21° | 13° | 17° | 8 h | 5 |
| Malia | 46 | 21° | 13° | 17° | 8 h | 5 |
| Rethymno | 42 | 20° | 13° | 17° | 9 h | 6 |
| Kastellorizo | 41 | 20° | 14° | 18° | 8 h | 8 |
| Salamis Island | 41 | 20° | 12° | 16° | 8 h | 5 |
| Spetses | 40 | 20° | 13° | 16° | 8 h | 4 |
| Lindos, Rhodes | 40 | 19° | 14° | 18° | 9 h | 5 |
| Rhodes Town | 40 | 18° | 15° | 18° | 9 h | 5 |
| Symi | 39 | 19° | 15° | 18° | 8 h | 5 |
| Mykonos | 39 | 17° | 14° | 17° | 9 h | 4 |
| Naxos | 39 | 17° | 14° | 17° | 9 h | 3 |
| Parikia, Paros | 39 | 17° | 14° | 17° | 9 h | 3 |
| Ios | 39 | 17° | 14° | 17° | 9 h | 3 |
| Tinos | 39 | 17° | 14° | 16° | 9 h | 4 |
| Oia | 39 | 17° | 14° | 17° | 9 h | 3 |
| Astypalaia | 39 | 17° | 15° | 17° | 9 h | 3 |
| Fira, Santorini | 39 | 16° | 13° | 17° | 9 h | 3 |
| Patmos | 39 | 16° | 14° | 17° | 9 h | 4 |
| Syros | 39 | 16° | 13° | 17° | 9 h | 4 |
| Ierapetra | 38 | 18° | 14° | 17° | 9 h | 5 |
| Milos | 38 | 17° | 13° | 17° | 9 h | 3 |
| Kimolos | 38 | 17° | 14° | 17° | 9 h | 3 |
| Amorgos | 38 | 16° | 12° | 17° | 9 h | 3 |
| Andros | 38 | 16° | 14° | 16° | 9 h | 4 |
| Ýdra | 37 | 19° | 13° | 16° | 8 h | 4 |
| Chania, Crete | 35 | 18° | 14° | 17° | 8 h | 6 |
| Argostoli, Kefalonia | 35 | 17° | 14° | 16° | 9 h | 6 |
| Kos Town | 34 | 18° | 15° | 18° | 8 h | 7 |
| Scyros | 34 | 16° | 13° | 16° | 8 h | 5 |
| Zakynthos Town (Zante) | 33 | 19° | 12° | 16° | 8 h | 7 |
| Skiathos | 33 | 17° | 12° | 15° | 8 h | 6 |
| Skopelos | 32 | 16° | 12° | 15° | 8 h | 6 |
| Mytilene | 31 | 17° | 12° | 16° | 8 h | 7 |
| Lefkada | 28 | 18° | 12° | 16° | 8 h | 9 |
| Corfu Town | 26 | 17° | 13° | 16° | 7 h | 9 |
Which island is warmest in April?
Islands with several places show their average; the others appear as their place.
| Islands | Score | Day | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Kastellorizo | 41 | 20° | 18° | 8 h | 8 |
| Salamis Island | 41 | 20° | 16° | 8 h | 5 |
| Spetses | 40 | 20° | 16° | 8 h | 4 |
| Crete | 43 | 20° | 17° | 9 h | 5 |
| Lindos, Rhodes | 40 | 19° | 18° | 9 h | 5 |
| Zakynthos Town (Zante) | 33 | 19° | 16° | 8 h | 7 |
| Ýdra | 37 | 19° | 16° | 8 h | 4 |
| Symi | 39 | 19° | 18° | 8 h | 5 |
| Rhodes Town | 40 | 18° | 18° | 9 h | 5 |
| Kos Town | 34 | 18° | 18° | 8 h | 7 |
| Lefkada | 28 | 18° | 16° | 8 h | 9 |
| Corfu Town | 26 | 17° | 16° | 7 h | 9 |
| Mykonos | 39 | 17° | 17° | 9 h | 4 |
| Naxos | 39 | 17° | 17° | 9 h | 3 |
| Parikia, Paros | 39 | 17° | 17° | 9 h | 3 |
| Argostoli, Kefalonia | 35 | 17° | 16° | 9 h | 6 |
| Milos | 38 | 17° | 17° | 9 h | 3 |
| Skiathos | 33 | 17° | 15° | 8 h | 6 |
| Ios | 39 | 17° | 17° | 9 h | 3 |
| Tinos | 39 | 17° | 16° | 9 h | 4 |
| Mytilene | 31 | 17° | 16° | 8 h | 7 |
| Astypalaia | 39 | 17° | 17° | 9 h | 3 |
| Kimolos | 38 | 17° | 17° | 9 h | 3 |
| Santorini | 39 | 17° | 17° | 9 h | 3 |
| Patmos | 39 | 16° | 17° | 9 h | 4 |
| Syros | 39 | 16° | 17° | 9 h | 4 |
| Skopelos | 32 | 16° | 15° | 8 h | 6 |
| Amorgos | 38 | 16° | 17° | 9 h | 3 |
| Scyros | 34 | 16° | 16° | 8 h | 5 |
| Andros | 38 | 16° | 16° | 9 h | 4 |
April compared
How the weather changes from March to May. Tap a month to open it.
Greek Islands in April: quick answers
Is it warm on the Greek islands in April?
It is mild. Daytime highs average 18 °C (16–21 °C by place) and nights 13 °C.
Can you swim on the Greek islands in April?
Hardly: the sea is only 15–18 °C.
Where is it warmest on the Greek islands in April?
The warmest are Kastellorizo (20 °C), Salamis Island (20 °C) and Spetses (20 °C).
Does it rain much on the Greek islands in April?
Rarely: 5 rainy days on average. Plus 9 hours of sunshine a day.
Is April a good time to visit the Greek islands?
April scores 38 out of 100 (Poor). The best time to visit is June – September.
Greek Islands month by month
Greek Islands: weather by monthWhere to go in AprilSea temperature in April
Islands
Islands compared
Which Greek island is warmest?Greece: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)