Sea temperature and swimming season in Greece
When the sea is warm enough to swim in 15 coastal cities in Greece.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Athens | 26.9°C Aug | 15.5°C Mar | May – Nov (7 months) |
| Pátra | 27.1°C Aug | 15.2°C Feb | May – Nov (7 months) |
| Irákleion | 26.4°C Aug | 16.5°C Mar | May – Nov (7 months) |
| Kavála | 26.8°C Aug | 13.2°C Feb | Jun – Oct (5 months) |
| Chaniá | 26.8°C Aug | 16.4°C Mar | May – Nov (7 months) |
| Alexandroupoli | 25.9°C Aug | 12.9°C Mar | Jun – Oct (5 months) |
| Corfu | 26.4°C Aug | 15.5°C Mar | May – Nov (7 months) |
| Rethymno | 26.7°C Aug | 16.5°C Mar | May – Dec (8 months) |
| Kórinthos | 27.9°C Aug | 15.3°C Mar | Jun – Nov (6 months) |
| Mytilene | 24.4°C Aug | 15.7°C Mar | Jun – Oct (5 months) |
| Chios | 24.3°C Aug | 16.4°C Mar | Jun – Nov (6 months) |
| Néa Mákri | 26.1°C Aug | 15.3°C Mar | Jun – Nov (6 months) |
| Náfplio | 27.4°C Aug | 16.0°C Mar | May – Nov (7 months) |
| Eleftherés | 26.8°C Aug | 13.2°C Feb | Jun – Oct (5 months) |
| Trílofos | 27.4°C Aug | 13.2°C Feb | May – Nov (7 months) |
Knowing the temperature is only half of it. What to wear, and why cold shock is the real risk →
Season uses 19°C. Why that number, and where the data comes from