Sea temperature in Kos in June
The sea around Kos averages 23°C in June, usually between 21°C and 25°C. That is pleasant for swimming, refreshing at first.
Average23°CRefreshing
Usual range21°C–25°C80% of readings
vs May+3.1°warmer
vs July+2.3°warmer next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–November.
June in recent years
| 2023 | 22°C |
|---|---|
| 2024 | 24°C |
| 2025 | 22°C |
Nearby in June
Beaches in Kos
15 of 16 beaches have an Excellent EU water-quality grade. See which ones are calm today.