Sea temperature in Ios in November
The sea around Ios averages 21°C in November, usually between 20°C and 22°C. That is cool: fine for a quick swim, many people find it chilly.
Average21°CRefreshing
Usual range20°C–22°C80% of readings
vs October−1.9°cooler
vs December−2.0°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–October.
November in recent years
| 2023 | 22°C |
|---|---|
| 2024 | 20°C |
| 2025 | 21°C |
Nearby in November
Beaches in Ios
10 of 10 beaches have an Excellent EU water-quality grade. See which ones are calm today.