Ios, Greece

Ios, Greece

August beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by T. Selin Erkan on Unsplash

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August beach conditions — historical average

Excellent
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29.7°C Temp
25.8°C Sea temp
0.0 Rain days
13.0h Sunshine hrs
63.4% Humidity

Year by year — mid August

2025 Excellent 29.6°C · 0 rainy days · 13.0h sun
2024 Excellent 30.5°C · 0 rainy days · 13.0h sun
2023 Excellent 29.2°C · 0 rainy days · 13.0h sun
2022 Excellent 29.5°C · 0 rainy days · 13.0h sun
2021 Excellent 29.9°C · 0 rainy days · 13.0h sun

Other months in Ios

May June July August September

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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 Ios in August

Based on 5 years of ERA5 historical climate data, August in Ios has historically been excellent for a beach holiday. Average temperatures of 29.7°C with sea temperatures around 25.8°C and 0.0 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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