Chamonix weather in October 2025

Expect 4°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Chamonix in October. Check more long-term weather averages for Chamonix in October before you book your next holiday to France in 2025/2026.

  • 4°C maximum daytime temperature in October in Chamonix4
    4°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in October in Chamonix13
    13 days with some rainfall
  • -1°C minimum night-time temperature in October in Chamonix-1
    -1°C min night temperature
  • 11 hours of daylight per day in October in Chamonix11
    11 hours of daylight per day
  • No heat & humidity in October in Chamonix0
    No heat & humidity
  • 121 mm monthly rainfall in October in Chamonix121
    121 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Chamonix3
    3 (Moderate) UV index

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The October 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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More about France

How cold is it in Chamonix in October?

Daytime temperatures usually reach 4°C in Chamonix in October, falling to -1°C at night.

How sunny is it in Chamonix in October?

There are normally 5 hours of bright sunshine each day in Chamonix in October - that's 45% of daylight hours.

Does it rain in Chamonix in October?

There are usually 13 days with some rain in Chamonix in October and the average monthly rainfall is 121mm. Rain may fall as snow in this month.

Chamonix October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:31 18:12
Thursday, 16th October 2025 06:51 17:45
Friday, 31st October 2025 07:12 17:20

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