Heraklion, Crete, Greece

Heraklion, Crete, Greece

May beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Mateusz Butkiewicz on Unsplash

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May beach conditions — historical average

Good
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📈 Our data shows more favourable conditions in 2024-2025 compared to 2021-2022 for this destination and time of year
25.0°C Temp
19.8°C Sea temp
1.2 Rain days
12.1h Sunshine hrs
60.8% Humidity

Year by year — mid May

2025 Good 27.1°C · 0 rainy days · 12.4h sun
2024 Good 27.1°C · 2 rainy days · 11.2h sun
2023 Mixed 22.8°C · 2 rainy days · 11.2h sun
2022 Mixed 23.1°C · 2 rainy days · 12.5h sun
2021 Good 24.7°C · 0 rainy days · 13.1h sun

Other months in Heraklion

April May June July August September October

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Trip type

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 Heraklion in May

Based on 5 years of ERA5 historical climate data, May in Heraklion has historically been good for a beach holiday. Average temperatures of 25.0°C with sea temperatures around 19.8°C and 1.2 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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