Sea temperature in Lemnos in December
The sea around Lemnos averages 17°C in December, usually between 15°C and 19°C. That is cold for most swimmers; a wetsuit helps.
Average17°CCold
Usual range15°C–19°C80% of readings
vs November−1.4°cooler
vs January−1.9°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–September.
December in recent years
| 2023 | 18°C |
|---|---|
| 2024 | 16°C |
| 2025 | 18°C |
Nearby in December
Beaches in Lemnos
13 of 13 beaches have an Excellent EU water-quality grade. See which ones are calm today.