Sea temperature in Thessaloniki in June
The sea around Thessaloniki averages 24°C in June, usually between 22°C and 27°C. That is warm enough for most people to swim comfortably.
Average24°CWarm
Usual range22°C–27°C80% of readings
vs May+5.5°warmer
vs July+3.3°warmer next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–October.
June in recent years
| 2023 | 23°C |
|---|---|
| 2024 | 25°C |
| 2025 | 24°C |
Nearby in June
Beaches in Thessaloniki
10 of 10 beaches have an Excellent EU water-quality grade. See which ones are calm today.