Kos, Greece
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Kos

July beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Wolfgang Weiser on Unsplash

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July beach conditions — historical average

Excellent
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31.7°C Temp
26.2°C Sea temp
0.0 Rain days
13.9h Sunshine hrs
57.9% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid July

2025 Excellent 31.5°C · 0 rainy days · 13.9h sun
2024 Excellent 34.2°C · 0 rainy days · 13.9h sun
2023 Excellent 33.0°C · 0 rainy days · 13.9h sun
2022 Excellent 29.3°C · 0 rainy days · 13.9h sun
2021 Excellent 30.6°C · 0 rainy days · 13.9h sun

Other months in Kos

May June July August September October

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About Kos in July

Based on 5 years of ERA5 historical climate data, July in Kos has historically been excellent for a beach holiday. Average temperatures of 31.7°C with sea temperatures around 26.2°C and 0.0 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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