Skiathos, Greece

Skiathos, Greece

August beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Vaggelis Karofilakis on Unsplash

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August beach conditions — historical average

Excellent
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27.8°C Temp
26.8°C Sea temp
1.4 Rain days
12.9h Sunshine hrs
68.7% Humidity

Year by year — mid August

2025 Excellent 27.7°C · 0 rainy days · 13.0h sun
2024 Excellent 28.2°C · 2 rainy days · 13.0h sun
2023 Excellent 27.6°C · 3 rainy days · 12.5h sun
2022 Excellent 27.5°C · 1 rainy day · 12.9h sun
2021 Excellent 28.2°C · 1 rainy day · 13.0h sun

Other months in Skiathos

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 Skiathos in August

Based on 5 years of ERA5 historical climate data, August in Skiathos has historically been excellent for a beach holiday. Average temperatures of 27.8°C with sea temperatures around 26.8°C and 1.4 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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