Sea temperature in Evia in October
The sea around Evia averages 23°C in October, usually between 21°C and 26°C. That is pleasant for swimming, refreshing at first.
Average23°CRefreshing
Usual range21°C–26°C80% of readings
vs September+0.3°warmer
vs November−5.2°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: July–September.
October in recent years
| 2023 | 23°C |
|---|---|
| 2024 | 24°C |
| 2025 | 22°C |
Nearby in October
Beaches in Evia
60 of 62 beaches have an Excellent EU water-quality grade. See which ones are calm today.