Mykonos weather in October 2026
Expect daytime maximum temperatures of 20°C in Mykonos, Greece in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 47 mm of rainfall in the month.
- 20°C max day temperature
20 - 7 hours of sunshine per day
- 4 days with some rainfall
4 - 15°C min night temperature
15 - 11 hours of daylight per day
11 - No heat & humidity
0 - 47 mm of monthly rainfall
47 - 5 (Moderate) UV index
5 - 21°C sea temperature
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