Cannes weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Cannes in August. Check more long-term weather averages for Cannes in August before you book your next holiday to France in 2025/2026.

  • 27°C maximum daytime temperature in August in Cannes27
    27°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in August in Cannes5
    5 days with some rainfall
  • 19°C minimum night-time temperature in August in Cannes19
    19°C min night temperature
  • 14 hours of daylight per day in August in Cannes14
    14 hours of daylight per day
  • Low heat & humidity in August in CannesL
    Low heat & humidity
  • 41 mm monthly rainfall in August in Cannes41
    41 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Cannes7
    7 (High) UV index
  • 24°C sea temperature in August in Cannes24
    24°C sea temperature

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The August weather guide for France (Cannes) 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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How hot is it in Cannes in August?

Daytime temperatures usually reach 27°C in Cannes in August with low heat and humidity, falling to 19°C at night.

How sunny is it in Cannes in August?

There are normally 10 hours of bright sunshine each day in Cannes in August - that's 70% of daylight hours.

How warm is the sea around Cannes in August?

The average sea temperature around Cannes in August is 24°C.

Does it rain in Cannes in August?

There are usually 5 days with some rain in Cannes in August and the average monthly rainfall is 41mm.

Cannes August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:21 19:54
Saturday, 16th August 2025 05:38 19:34
Sunday, 31st August 2025 05:55 19:09

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