Olbia weather in August 2025

Expect daytime maximum temperatures of 29°C in Olbia, Sardinia in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 29°C maximum daytime temperature in August in Olbia29
    29°C max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in August in Olbia6
    6 days with some rainfall
  • 19°C minimum night-time temperature in August in Olbia19
    19°C min night temperature
  • 14 hours of daylight per day in August in Olbia14
    14 hours of daylight per day
  • Moderate heat & humidity in August in OlbiaM
    Moderate heat & humidity
  • 18 mm monthly rainfall in August in Olbia18
    18 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Olbia8
    8 (Very High) UV index
  • 25°C sea temperature in August in Olbia25
    25°C sea temperature

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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 / mm)  |  Imperial (°F / inches)

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More about Sardinia

How hot is it in Olbia in August?

Daytime temperatures usually reach 29°C in Olbia in August with moderate heat and humidity, falling to 19°C 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 25°C.

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 18mm.

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.

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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