Costa Smeralda, Sardinia, Italy
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Costa Smeralda

August beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Claudia K. Hoeche on Unsplash

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August beach conditions — historical average

Excellent
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31.1°C Temp
27.3°C Sea temp
1.6 Rain days
12.6h Sunshine hrs
65.5% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid August

2025 Excellent 32.4°C · 2 rainy days · 13.0h sun
2024 Excellent 31.8°C · 3 rainy days · 12.0h sun
2023 Excellent 30.5°C · 0 rainy days · 13.0h sun
2022 Excellent 30.1°C · 3 rainy days · 12.3h sun
2021 Excellent 30.5°C · 0 rainy days · 12.8h sun

Other months in Costa Smeralda

May June July August September October

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About Costa Smeralda in August

Based on 5 years of ERA5 historical climate data, August in Costa Smeralda has historically been excellent for a beach holiday. Average temperatures of 31.1°C with sea temperatures around 27.3°C and 1.6 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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