Chamonix-Mont-Blanc Monthly Climate Averages
The following ski resorts are located close to Chamonix-Mont-Blanc: Brevent, Flegere, Les Praz, Grands Montets – Argentiere. High season with the best snow conditions are typically December, January, February, March, April, although the resorts themselves open in November and close in May. Nevertheless, you can still enjoy the fresh air and view during the off season.
To help you choose the best time to travel, you can find climate data below on the weather in Chamonix-Mont-Blanc .
Temperature in Chamonix-Mont-Blanc
The table shows that the hottest months in Chamonix-Mont-Blanc are July and August, during which the average daytime temperature reaches +23.9°C and the nighttime temperature falls to +9.1°C.
The coldest months are January and December, when the daily average temperature falls to +2.6°C, and drops to -7.2°C during the night.
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Chamonix-Mont-Blanc climate by month
The largest amount of precipitation falls on average in June and August, up to 130mm, and the least in February and March — up to 86mm.