Chamonix weather in May 2025

Expect 4°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chamonix in May. Check more long-term weather averages for Chamonix in May before you book your next holiday to France in 2025/2026.

  • 4°C maximum daytime temperature in May in Chamonix4
    4°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in May in Chamonix19
    19 days with some rainfall
  • -3°C minimum night-time temperature in May in Chamonix-3
    -3°C min night temperature
  • 15 hours of daylight per day in May in Chamonix15
    15 hours of daylight per day
  • No heat & humidity in May in Chamonix0
    No heat & humidity
  • 138 mm monthly rainfall in May in Chamonix138
    138 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Chamonix7
    7 (High) UV index

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The May weather guide for France (Chamonix) 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 cold is it in Chamonix in May?

Daytime temperatures usually reach 4°C in Chamonix in May, falling to -3°C at night.

How sunny is it in Chamonix in May?

There are normally 6 hours of bright sunshine each day in Chamonix in May - that's 39% of daylight hours.

Does it rain in Chamonix in May?

There are usually 19 days with some rain in Chamonix in May and the average monthly rainfall is 138mm. Rain may fall as snow in this month.

Chamonix May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:19 19:41
Friday, 16th May 2025 04:59 19:59
Saturday, 31st May 2025 04:46 20:15

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