Sea temperature in Thassos in May
The sea around Thassos averages 18°C in May, usually between 16°C and 21°C. That is cold for most swimmers; a wetsuit helps.
Average18°CCool
Usual range16°C–21°C80% of readings
vs April+2.7°warmer
vs June+5.6°warmer next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–September.
May in recent years
| 2023 | 18°C |
|---|---|
| 2024 | 19°C |
| 2025 | 19°C |
Nearby in May
Beaches in Thassos
11 of 11 beaches have an Excellent EU water-quality grade. See which ones are calm today.