Sun, sea & sand

Mykonos weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

64

Holiday weather in October

Good

Best time to visit: June – September

Air temperature21°CNight 18°
Sea temperature21.3°Crefreshing
Sunshine8hrs / dayof 11.3 h daylight
Rainy days3days / month26 mm

What is the weather like in Mykonos in October?

In October, Mykonos is mild: daytime highs average 21 °C, and nights cool down to about 18 °C. The sea averages 21.3 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 26 mm in total. It is often windy, with gusts of around 33 km/h. All in all, October is a good month for a holiday in Mykonos.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score936437
Day24°21°18°
Night22°18°15°
Sea23°21°19°
Sun11 h8 h7 h
Rain days136

More details for October

Daylight
11 h 18 min07:25 – 18:43
UV index
5 · moderateclear sky, noon (estimate)
Muggy days
5 daysdew point 18 °C or more
Wind
33 km/haverage daily peak
Cloud cover
29 %on average
Hot days
0 days30 °C or more
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %32 %
  • Seaweight 25 %61 %
  • Sunshineweight 20 %87 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Windproof jacket

Mykonos in October: quick answers

Is Mykonos hot in October?

No. In October, Mykonos is mild: daytime highs average 21 °C and nights drop to about 18 °C.

Can you swim in Mykonos in October?

Yes. In October the sea averages 21.3 °C – refreshing for a swim.

Does it rain much in Mykonos in October?

Rain is rare: about 3 days bring 26 mm in total.

Mykonos month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)