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May beach conditions — historical average

Good
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📉 Our data shows more unsettled conditions in 2024-2025 compared to 2021-2022 for this destination and time of year
25.1°C Temp
19.1°C Sea temp
2.6 Rain days
12.7h Sunshine hrs
56.6% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid May

2025 Good 24.9°C · 4 rainy days · 13.2h sun
2024 Good 25.5°C · 3 rainy days · 12.0h sun
2023 Mixed 23.4°C · 4 rainy days · 11.9h sun
2022 Good 26.7°C · 1 rainy day · 13.4h sun
2021 Good 25.0°C · 1 rainy day · 13.0h sun

Other months in Lesbos

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.

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About Lesbos in May

Based on 5 years of ERA5 historical climate data, May in Lesbos has historically been good for a beach holiday. Average temperatures of 25.1°C with sea temperatures around 19.1°C and 2.6 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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