Med Swim Report

Sea temperature in Symi in January

The sea around Symi averages 19°C in January, usually between 18°C and 21°C. That is cool: fine for a quick swim, many people find it chilly.

Average19°CCool
Usual range18°C–21°C80% of readings
vs December−1.4°cooler
vs February−1.3°cooler next month

Through the year

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec

Monthly averages 2023–2025. Water at 22°C or warmer: June–November.

January in recent years

202319°C
202420°C
202519°C

Nearby in January

Rhodes19°C46 km
Kos19°C65 km
Kos19°C82 km
Kalymnos19°C92 km
Karpathos19°C134 km
Patmos19°C140 km

Beaches in Symi

8 of 8 beaches have an Excellent EU water-quality grade. See which ones are calm today.