Cagliari weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Cagliari in August. Check more long-term weather averages for Cagliari in August before you book your next holiday to Sardinia in 2025/2026.

  • 86°F maximum daytime temperature in August in Cagliari86
    86°F max day temperature
  • 10 hours of sunshine per day
  • 3 days with some rainfall in August in Cagliari3
    3 days with some rainfall
  • 66°F minimum night-time temperature in August in Cagliari66
    66°F min night temperature
  • 14 hours of daylight per day in August in Cagliari14
    14 hours of daylight per day
  • Moderate heat & humidity in August in CagliariM
    Moderate heat & humidity
  • 0.3 inches monthly rainfall in August in Cagliari0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Cagliari8
    8 (Very High) UV index
  • 77°F sea temperature in August in Cagliari77
    77°F sea temperature

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The August weather guide for Sardinia (Cagliari) 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)

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More about Sardinia

How hot is it in Cagliari in August?

Daytime temperatures usually reach 86°F in Cagliari in August with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Cagliari in August?

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

How warm is the sea around Cagliari in August?

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

Does it ever rain in Cagliari in August?

There are usually 3 days with some rain in Cagliari in August and the average monthly rainfall is 0.3 inches.

Cagliari August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:24 19:35
Saturday, 16th August 2025 05:38 19:17
Sunday, 31st August 2025 05:51 18:56

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