Mykonos weather in August 2025

Expect 81°F 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.

81
81°F max day temperature
13
13 hours of sunshine per day
2
2 days with some rainfall
70
70°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
0.1
0.1 inches of monthly rainfall
9
9 (Very High) UV index
75
75°F sea temperature

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Destination

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) | Imperial (°F)

More about Greece

How hot is it in Mykonos in August?

Daytime temperatures usually reach 81°F in Mykonos Town, Mykonos in August with moderate heat and humidity, falling to 70°F 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 75°F.

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 0.1 inches.

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.

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