Nantes weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Nantes in August. Check more long-term weather averages for Nantes in August before you book your next holiday to France in 2025/2026.

  • 24°C maximum daytime temperature in August in Nantes24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in August in Nantes11
    11 days with some rainfall
  • 14°C minimum night-time temperature in August in Nantes14
    14°C min night temperature
  • 14 hours of daylight per day in August in Nantes14
    14 hours of daylight per day
  • No heat & humidity in August in Nantes0
    No heat & humidity
  • 46 mm monthly rainfall in August in Nantes46
    46 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Nantes6
    6 (High) UV index

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The August weather guide for France (Nantes) 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 France

How hot is it in Nantes in August?

Daytime temperatures usually reach 24°C in Nantes in August, falling to 14°C at night.

How sunny is it in Nantes in August?

There are normally 8 hours of bright sunshine each day in Nantes in August - that's 54% of daylight hours.

Does it rain in Nantes in August?

There are usually 11 days with some rain in Nantes in August and the average monthly rainfall is 46mm.

Nantes August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:45 20:39
Saturday, 16th August 2025 06:04 20:16
Sunday, 31st August 2025 06:24 19:48

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