Med Swim Report

Sea temperature in Kalymnos in August

The sea around Kalymnos averages 26°C in August, usually between 25°C and 27°C. That is warm enough for most people to swim comfortably.

Average26°CWarm
Usual range25°C–27°C80% of readings
vs July+1.4°warmer
vs September−0.6°cooler next month

Through the year

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec

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

August in recent years

202326°C
202426°C
202526°C

Nearby in August

Kos26°C11 km
Kos27°C27 km
Patmos25°C50 km
Samos26°C85 km
Symi28°C91 km
Ikaria25°C95 km

Beaches in Kalymnos

5 of 7 beaches have an Excellent EU water-quality grade. See which ones are calm today.