Very hot in Aug
37°C average high
avg high · 22° at night
25°C+ on almost every day · often 35°C+
Italy
Sardinia (Cagliari) weather in August
Is it warm? Yes. August in Sardinia (Cagliari) is hot: afternoons average 31°C and nights 22°C. Most days (80%) peak between 28°C and 34°C.
Hot · average high
31°C
25°C or more on almost every day.
- Average low22°overnight
- Sea27°average, 2023–2025
- Rainy days19 mm in the month
- SkyMostly clear16% cloud · 82% clear days
How warm it really gets
Every August afternoon from 2011–2025: 465 days. Most (80%) peaked between 28° and 34°.
August, year by year
The average August high in each year. The warmest, 2012, averaged 33°C; the coolest, 2018, 29°C.
Compared with home
Average August highs. Expect rain on about 1 day (9 mm in a typical month).
- Sardinia (Cagliari)31°
- London22°
- Manchester19°
- Dublin19°
- Cork19°
- Belfast18°
- Glasgow18°
Warmer in August, not much further
Flying times are estimates from Dublin; Sardinia (Cagliari) is about 3h.
Hot in Aug
32°C average high
avg high · 23° at night
25°C+ on almost every day
Very hot in Aug
38°C average high
avg high · 21° at night
25°C+ on almost every day · often 35°C+
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology