Costa Smeralda, Sardinia, Italy
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Costa Smeralda

July beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Claudia K. Hoeche on Unsplash

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July beach conditions — historical average

Excellent
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31.1°C Temp
26.7°C Sea temp
0.4 Rain days
14.2h Sunshine hrs
59.8% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid July

2025 Excellent 30.6°C · 1 rainy day · 14.2h sun
2024 Excellent 32.0°C · 1 rainy day · 14.2h sun
2023 Excellent 33.3°C · 0 rainy days · 14.3h sun
2022 Excellent 30.4°C · 0 rainy days · 14.4h sun
2021 Excellent 29.0°C · 0 rainy days · 14.0h sun

Other months in Costa Smeralda

May June July August September October

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About Costa Smeralda in July

Based on 5 years of ERA5 historical climate data, July in Costa Smeralda has historically been excellent for a beach holiday. Average temperatures of 31.1°C with sea temperatures around 26.7°C and 0.4 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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