Sea temperature in Mykonos in October
The sea around Mykonos averages 22°C in October, usually between 21°C and 24°C. That is pleasant for swimming, refreshing at first.
Average22°CRefreshing
Usual range21°C–24°C80% of readings
vs September−2.0°cooler
vs November−2.3°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: July–October.
October in recent years
| 2023 | 22°C |
|---|---|
| 2024 | 23°C |
| 2025 | 21°C |
Nearby in October
Beaches in Mykonos
11 of 11 beaches have an Excellent EU water-quality grade. See which ones are calm today.