Med Swim Report

Sea temperature in Sparti in December

The sea around Sparti averages 19°C in December, 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 November−2.7°cooler
vs January−1.8°cooler next month

Through the year

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec

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

December in recent years

202319°C
202419°C
202520°C

Nearby in December

Spetses19°C55 km
Tripoli19°C66 km
Kalamata19°C72 km
Kythira19°C77 km
Poros19°C94 km
Aegina19°C115 km

Beaches in Sparti

36 of 36 beaches have an Excellent EU water-quality grade. See which ones are calm today.