Mykonos, Greece
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Mykonos

August beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Dimitris Kiriakakis on Unsplash

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August beach conditions — historical average

Excellent
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28.7°C Temp
25.6°C Sea temp
0.4 Rain days
13.0h Sunshine hrs
65.6% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid August

2025 Excellent 28.2°C · 0 rainy days · 13.0h sun
2024 Excellent 29.1°C · 1 rainy day · 13.0h sun
2023 Excellent 28.2°C · 0 rainy days · 13.0h sun
2022 Excellent 28.9°C · 1 rainy day · 12.9h sun
2021 Excellent 29.1°C · 0 rainy days · 13.0h sun

Other months in Mykonos

May June July August September October

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About Mykonos in August

Based on 5 years of ERA5 historical climate data, August in Mykonos has historically been excellent for a beach holiday. Average temperatures of 28.7°C with sea temperatures around 25.6°C and 0.4 rainy days on average.

5 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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