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World Weather & Climate Information

Average monthly weather in Chamonix-Mont-Blanc, France

What's the best time to travel to Chamonix-Mont-Blanc in France? Here are some annual weather facts we collected from our historical weather data:
  • The months May, June, July, August and September have nice weather with a good average temperature.
  • On average, the warmest month is July.
  • On average, the coolest month is January.
  • August is the wettest month. This month should be avoided if you don't like too much rain.
  • April is the driest month.
For more information, see the weather forecast and our average climate infomation (in graphs) below.

* Data from nearest weather station: Sion, Switzerland (48.5 KM).
14 Day Weather Forecast 

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit »
Average min and max temperatures in Sion, Switzerland   Copyright © 2016 www.weather-and-climate.com

Average monthly hours of sunshine over the year

This is the monthly total of sunhours
Average monthly sunhours in Sion, Switzerland   Copyright © 2016 www.weather-and-climate.com

Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches »
Average precipitation (rain/snow) in Sion, Switzerland   Copyright © 2016 www.weather-and-climate.com

Average humidity over the year

This is the mean monthly relative humidity
Average relative humidity in Sion, Switzerland   Copyright © 2016 www.weather-and-climate.com

Average wind speed over the year

This is the mean monthly wind speed (meters per second)
Average wind speed in Sion, Switzerland   Copyright © 2016 www.weather-and-climate.com

Weather Forecast for Chamonix-Mont-Blanc

Show in Fahrenheit
SAT
Sunny
6°C
-3°C
SUN
Sunny
4°C
-4°C
MON
Sunny
2°C
-6°C