Sea temperature in Santorini in June
The sea around Santorini averages 23°C in June, usually between 21°C and 24°C. That is pleasant for swimming, refreshing at first.
Average23°CRefreshing
Usual range21°C–24°C80% of readings
vs May+3.5°warmer
vs July+1.9°warmer next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–October.
June in recent years
| 2023 | 22°C |
|---|---|
| 2024 | 24°C |
| 2025 | 22°C |
Nearby in June
Beaches in Santorini
7 of 7 beaches have an Excellent EU water-quality grade. See which ones are calm today.