Sardinia weather in August
Averages for 3 places in Sardinia in August, from 30 years of weather data.
Holiday weather in August
Excellent
Best time to visit: June – September
Places in Sardinia in August
Sorted by holiday weather score. Each place links to its own page for August.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 99 | 99 | 95 |
| Day | 30° | 30° | 26° |
| Night | 22° | 22° | 19° |
| Sea | 24° | 25° | 24° |
| Sun | 12 h | 11 h | 9 h |
| Rain days | 1 | 2 | 5 |
Sardinia in August: quick answers
Is it warm in Sardinia in August?
Yes, it is hot. Daytime highs average 30 °C (29–32 °C by place) and nights 22 °C.
Can you swim in Sardinia in August?
Yes. The sea is 25–26 °C, 25 °C on average.
Where is it warmest in Sardinia in August?
The warmest are Cagliari (32 °C), Olbia (29 °C) and Alghero (29 °C).
Does it rain much in Sardinia in August?
Hardly: 2 rainy days on average. Plus 11 hours of sunshine a day.
Is August a good time to visit Sardinia?
Yes, August is one of the best months, with a holiday weather score of 99 out of 100. Best time overall: June – September.
Sardinia month by month
Sardinia: weather by monthWhere to go in AugustSea temperature in August
More islands & regions
Italy: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)