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Sardinia weather in August 2025
Expect 29°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sardinia in August. Check more long-term weather averages for Sardinia in August before you book your next holiday to Sardinia in 2025/2026.
- 29°C max day temperature
29 - 10 hours of sunshine per day
- 6 days with some rainfall
6 - 19°C min night temperature
19 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 18 mm of monthly rainfall
18 - 8 (Very High) UV index
8 - 25°C sea temperature
25
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The August weather guide for Sardinia (Olbia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Sardinia destinations
Below are average maximum temperatures at popular countries, regions and places in Sardinia in August. Select a holiday destination to see more weather parameters.
All Sardinia destinations
- Alghero
- Arzachena
- Baia Sardinia
- Cagliari
- Cannigione
- Isola Rossa
- Olbia
- Oliena
- Oristano
- Palau
- Porto Cervo
- Porto Rafael
- Pula
- San Pantaleo
- Santa Margherita di Pula
- Santa Teresa Gallura
- Sassari
- Vilasimius
Metric (°C / mm) | Imperial (°F / inches)
More about Sardinia
How hot is it in Sardinia in August?
Daytime temperatures usually reach 29°C in Olbia, Sardinia in August with moderate heat and humidity, falling to 19°C at night.
How sunny is it in Sardinia in August?
There are normally 10 hours of bright sunshine each day in Olbia, Sardinia in August - that's 73% of daylight hours.
How warm is the sea around Sardinia in August?
The average sea temperature around Olbia, Sardinia in August is 25°C.
Does it rain in Sardinia in August?
There are usually 6 days with some rain in Olbia, Sardinia in August and the average monthly rainfall is 18mm.
Sardinia August sunrise & sunset times
Browse the sunrise and sunset times for Sardinia in August 2025. Select a month to view Sardinia sunrise and sunset times for the next 12 months. The Sardinia sunrise and sunset times shown below are for Olbia.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:18 | 19:38 |
| Saturday, 16th August 2025 | 05:33 | 19:19 |
| Sunday, 31st August 2025 | 05:48 | 18:56 |
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