Cagliari Weather in August
What's the weather like in Cagliari (Sardinia) in August 2025?
The climate in Cagliari during August can be summarized as hot and very dry.
August is in the summer in Cagliari and is typically the warmest month of the year. Daytime maximum temperatures average around 30°C (86°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 30.1°C 86.2°F |
|---|---|
| Nightly temperature | 19.3°C 66.7°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 10.8 hrs |
| Avg rainfall | 8 mm 0.3 ins |
| Rainy days | 3 days |
| Sea temperature | 25.5°C 78°F |
| Humidity | 66% |
| Windspeed | 13.3kph 8 mph |
On average August is the 2nd driest month of the year in Cagliari with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.8 hours of sunshine per day.
August temperatures in Cagliari
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cagliari in August 2025.
Other monthly averages
Best places to visit in August
Cagliari weather stats
| Hottest month: | August | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | 13.9°C 57°F |
| Wettest month: | December | 58mm 2.3ins |
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