Greece in May: where is it warmest?
In May, Nafplio is the warmest place with 27 °C by day, Amorgos the coolest with 19 °C. 39 of 62 destinations have good holiday weather.
All destinations in May, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Nafplio | 83 | 27° | 19° | 9 h | 4 |
| Marathon | 79 | 27° | 18° | 9 h | 4 |
| Mycenae | 100 | 26° | – | 9 h | 4 |
| Athens | 98 | 26° | 19° | 9 h | 5 |
| Piraeus | 98 | 26° | 19° | 9 h | 5 |
| Thebes | 97 | 26° | – | 9 h | 5 |
| Sparta | 94 | 26° | – | 9 h | 7 |
| Heraklion, Crete | 83 | 26° | 19° | 10 h | 4 |
| Árgos | 83 | 26° | 19° | 9 h | 4 |
| Salamis Island | 80 | 26° | 19° | 9 h | 5 |
| Chalkída | 79 | 26° | 19° | 9 h | 5 |
| Larissa | 94 | 25° | – | 8 h | 6 |
| Agios Nikolaos | 81 | 25° | 19° | 9 h | 4 |
| Malia | 81 | 25° | 19° | 9 h | 4 |
| Thessaloniki | 95 | 24° | 19° | 9 h | 6 |
| Pella | 94 | 24° | – | 9 h | 7 |
| Kastellorizo | 81 | 24° | 20° | 10 h | 5 |
| Rethymno | 79 | 24° | 19° | 10 h | 4 |
| Spetses | 78 | 24° | 19° | 9 h | 4 |
| Poros | 76 | 24° | 19° | 9 h | 4 |
| Kalamata | 75 | 24° | 19° | 9 h | 5 |
| Volos | 75 | 24° | 19° | 9 h | 5 |
| Corinth | 72 | 24° | 18° | 9 h | 3 |
| Patras | 94 | 23° | 19° | 9 h | 6 |
| Olympia | 91 | 23° | – | 9 h | 8 |
| Ýdra | 73 | 23° | 19° | 9 h | 4 |
| Lindos, Rhodes | 72 | 23° | 20° | 10 h | 3 |
| Symi | 70 | 23° | 20° | 10 h | 3 |
| Pylos | 68 | 23° | 19° | 9 h | 5 |
| Zakynthos Town (Zante) | 67 | 23° | 19° | 9 h | 5 |
| Delphi | 58 | 23° | 18° | 9 h | 8 |
| Mystras | 91 | 22° | – | 8 h | 7 |
| Ioannina | 81 | 22° | – | 8 h | 11 |
| Ierapetra | 67 | 22° | 20° | 10 h | 4 |
| Rhodes Town | 66 | 22° | 20° | 10 h | 3 |
| Chania, Crete | 64 | 22° | 19° | 10 h | 4 |
| Parga | 62 | 22° | 19° | 9 h | 6 |
| Mytilene | 62 | 22° | 19° | 10 h | 5 |
| Lefkada | 61 | 22° | 19° | 9 h | 6 |
| Preveza | 61 | 22° | 19° | 9 h | 6 |
| Kavala | 52 | 22° | 19° | 8 h | 8 |
| Kos Town | 59 | 21° | 20° | 9 h | 4 |
| Argostoli, Kefalonia | 58 | 21° | 19° | 10 h | 3 |
| Skiathos | 55 | 21° | 19° | 9 h | 5 |
| Corfu Town | 51 | 21° | 19° | 9 h | 7 |
| Oia | 55 | 20° | 19° | 10 h | 2 |
| Kimolos | 55 | 20° | 19° | 9 h | 2 |
| Parikia, Paros | 54 | 20° | 19° | 10 h | 2 |
| Naxos | 53 | 20° | 19° | 10 h | 2 |
| Milos | 53 | 20° | 19° | 10 h | 2 |
| Tinos | 52 | 20° | 18° | 10 h | 2 |
| Mykonos | 51 | 20° | 18° | 10 h | 2 |
| Ios | 51 | 20° | 19° | 10 h | 2 |
| Fira, Santorini | 50 | 20° | 19° | 10 h | 2 |
| Syros | 50 | 20° | 19° | 10 h | 2 |
| Astypalaia | 50 | 20° | 19° | 10 h | 2 |
| Kallithea, Halkidiki | 48 | 20° | 19° | 9 h | 7 |
| Scyros | 48 | 20° | 18° | 10 h | 3 |
| Andros | 48 | 20° | 18° | 10 h | 2 |
| Skopelos | 47 | 20° | 19° | 9 h | 5 |
| Patmos | 48 | 19° | 19° | 10 h | 2 |
| Amorgos | 46 | 19° | 19° | 10 h | 2 |
Greece in May: quick answers
Greece in May: where is it warmest?
The warmest places in May are Nafplio (27 °C), Marathon (27 °C) and Mycenae (26 °C).
Greece in May: where is the sea warmest?
The sea is warmest at Kastellorizo (20 °C), Lindos, Rhodes (20 °C) and Symi (20 °C).
Greece in May: where is the weather best?
The best holiday weather in May – warm, sunny and dry – is in Mycenae, Athens and Piraeus.
Greece month by month
Greece: weather & best time to visit
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). Sources & licences