Mykonos weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Mykonos in August. Check more long-term weather averages for Mykonos in August before you book your next holiday to Mykonos in 2025/2026.

  • 27°C maximum daytime temperature in August in Mykonos (Mykonos Town)27
    27°C max day temperature
  • 13 hours of sunshine per day
  • 2 days with some rainfall in August in Mykonos (Mykonos Town)2
    2 days with some rainfall
  • 21°C minimum night-time temperature in August in Mykonos (Mykonos Town)21
    21°C min night temperature
  • 14 hours of daylight per day in August in Mykonos (Mykonos Town)14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Mykonos (Mykonos Town)M
    Moderate heat & humidity
  • 3 mm monthly rainfall in August in Mykonos (Mykonos Town)3
    3 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Mykonos (Mykonos Town)9
    9 (Very High) UV index
  • 24°C sea temperature in August in Mykonos (Mykonos Town)24
    24°C sea temperature

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The August weather guide for Mykonos (Mykonos Town) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Mykonos destinations

Below are average maximum temperatures at popular countries, regions and places in Mykonos in August. Select a holiday destination to see more weather parameters.

All Mykonos destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Mykonos in August?

Daytime temperatures usually reach 27°C in Mykonos Town, Mykonos in August with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Mykonos in August?

There are normally 13 hours of bright sunshine each day in Mykonos Town, Mykonos in August - that's 94% of daylight hours.

How warm is the sea around Mykonos in August?

The average sea temperature around Mykonos Town, Mykonos in August is 24°C.

Does it ever rain in Mykonos in August?

There are usually 2 days with some rain in Mykonos Town, Mykonos in August and the average monthly rainfall is 3mm.

Mykonos August sunrise & sunset times

Browse the sunrise and sunset times for Mykonos in August 2025. Select a month to view Mykonos sunrise and sunset times for the next 12 months. The Mykonos sunrise and sunset times shown below are for Mykonos Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:23 19:27
Saturday, 16th August 2025 05:36 19:10
Sunday, 31st August 2025 05:48 18:49

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