Nantes weather in May 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Nantes in May. Check more long-term weather averages for Nantes in May before you book your next holiday to France in 2025/2026.

  • 18°C maximum daytime temperature in May in Nantes18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Nantes16
    16 days with some rainfall
  • 9°C minimum night-time temperature in May in Nantes9
    9°C min night temperature
  • 15 hours of daylight per day in May in Nantes15
    15 hours of daylight per day
  • No heat & humidity in May in Nantes0
    No heat & humidity
  • 64 mm monthly rainfall in May in Nantes64
    64 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Nantes6
    6 (High) UV index

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The May 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 May?

Daytime temperatures usually reach 18°C in Nantes in May, falling to 9°C at night.

How sunny is it in Nantes in May?

There are normally 7 hours of bright sunshine each day in Nantes in May - that's 46% of daylight hours.

Does it rain in Nantes in May?

There are usually 16 days with some rain in Nantes in May and the average monthly rainfall is 64mm.

Nantes May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:50 20:18
Friday, 16th May 2025 05:29 20:37
Saturday, 31st May 2025 05:15 20:54

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