Mykonos, Greece

Mykonos, Greece

May beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Patrick McGregor on Unsplash

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May beach conditions — historical average

Mixed
21.7°C Temp
18.7°C Sea temp
0.6 Rain days
12.4h Sunshine hrs
68.2% Humidity

Year by year — mid May

2025 Mixed 21.4°C · 0 rainy days · 13.0h sun
2024 Mixed 22.5°C · 1 rainy day · 10.9h sun
2023 Mixed 20.7°C · 2 rainy days · 12.3h sun
2022 Mixed 21.7°C · 0 rainy days · 12.9h sun
2021 Mixed 22.1°C · 0 rainy days · 13.1h sun

Other months in Mykonos

May June July August September October

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Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

About Mykonos in May

Based on 5 years of ERA5 historical climate data, May in Mykonos has historically been mixed for a beach holiday. Average temperatures of 21.7°C with sea temperatures around 18.7°C and 0.6 rainy days on average.

0 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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