Olbia weather in August 2025

Expect 84°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Olbia in August. Check more long-term weather averages for Olbia in August before you book your next holiday to Sardinia in 2025/2026.

84
84°F max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
66
66°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
0.7
0.7 inches of monthly rainfall
8
8 (Very High) UV index
77
77°F sea temperature

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Olbia by month

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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.

Metric (°C) | Imperial (°F)

More about Sardinia

How hot is it in Olbia in August?

Daytime temperatures usually reach 84°F in Olbia in August with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Olbia in August?

There are normally 10 hours of bright sunshine each day in Olbia in August - that's 73% of daylight hours.

How warm is the sea around Olbia in August?

The average sea temperature around Olbia in August is 77°F.

Does it rain in Olbia in August?

There are usually 6 days with some rain in Olbia in August and the average monthly rainfall is 0.7 inches.

Olbia August sunrise & sunset times

Browse the sunrise and sunset times for Olbia in August 2025. Select a month to view Olbia sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Sardinia - quick facts
Flight time^✝	2.5 hours
Time difference	UK +1 hour
Language(s)	Italian
Currency	Euro
Electricity	C + F + L plug (230V)
Driving side	Right
Why visit?	Beaches Nature Nightlife
Tourist info	Sardinian Department of Tourism