Sea temperature in Ikaria in January
The sea around Ikaria averages 18°C in January, usually between 17°C and 20°C. That is cold for most swimmers; a wetsuit helps.
Average18°CCool
Usual range17°C–20°C80% of readings
vs December−0.6°cooler
vs February−1.0°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: July–October.
January in recent years
| 2023 | 18°C |
|---|---|
| 2024 | 19°C |
| 2025 | 18°C |
Nearby in January
Beaches in Ikaria
14 of 14 beaches have an Excellent EU water-quality grade. See which ones are calm today.