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June beach conditions — historical average

Excellent
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28.4°C Temp
23.4°C Sea temp
0.2 Rain days
13.8h Sunshine hrs
64.6% Humidity

Year by year — mid June

2025 Excellent 29.2°C · 0 rainy days · 14.0h sun
2024 Excellent 32.4°C · 0 rainy days · 13.9h sun
2023 Good 26.4°C · 1 rainy day · 13.4h sun
2022 Excellent 27.3°C · 0 rainy days · 14.0h sun
2021 Excellent 26.5°C · 0 rainy days · 13.9h sun

Other months in Kos

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 Kos in June

Based on 5 years of ERA5 historical climate data, June in Kos has historically been excellent for a beach holiday. Average temperatures of 28.4°C with sea temperatures around 23.4°C and 0.2 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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