Zakynthos, Greece
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Zakynthos

May beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Kevin Charit on Unsplash

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May beach conditions — historical average

Good
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24.4°C Temp
19.6°C Sea temp
3.4 Rain days
11.6h Sunshine hrs
69.5% Humidity
80%

Reliable conditions

4 of 5 years were good

Year by year — mid May

2025 Good 24.8°C · 3 rainy days · 12.4h sun
2024 Good 25.6°C · 3 rainy days · 10.7h sun
2023 Mixed 21.9°C · 9 rainy days · 9.0h sun
2022 Good 25.5°C · 1 rainy day · 12.9h sun
2021 Good 24.3°C · 1 rainy day · 12.9h sun

Other months in Zakynthos

May June July August September October

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About Zakynthos in May

Based on 5 years of ERA5 historical climate data, May in Zakynthos has historically been good for a beach holiday. Average temperatures of 24.4°C with sea temperatures around 19.6°C and 3.4 rainy days on average.

4 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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