Climate guide for Chamonix-Mont-Blanc, France

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Chamonix-Mont-Blanc

How to read the score (0–10)
05810
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About Chamonix-Mont-Blanc

Chamonix-Mont-Blanc is a world-renowned destination in France, celebrated for its breathtaking scenery, rich culture, and exceptional travel experiences. Alpine resort town at the base of Mont Blanc, birthplace of winter mountaineering.

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Best time to visit Chamonix-Mont-Blanc
Check seasonal weather trends and book accommodations in advance for Chamonix-Mont-Blanc.

Things to do in Chamonix-Mont-Blanc

Chamonix-Mont-Blanc, France. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Chamonix-Mont-Blanc, France?
The best months to visit Chamonix-Mont-Blanc are January, February, March, April, May, June. January is the single peak month with a climate score of 7.5/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Chamonix-Mont-Blanc year-round?
Chamonix-Mont-Blanc has a snow and ski climate profile. Average monthly temperatures range from -1°C in January to 26°C in July, with climate scores between 7.5 and 7.5 out of 10.
Which months should I avoid in Chamonix-Mont-Blanc?
The lowest-scoring months in Chamonix-Mont-Blanc are January (7.5/10), February (7.5/10), March (7.5/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Chamonix-Mont-Blanc?
January is the wettest month in Chamonix-Mont-Blanc, averaging about 75 mm of rainfall. June is the driest, at roughly 35 mm.
Which is the sunniest month in Chamonix-Mont-Blanc?
January sees the most sun in Chamonix-Mont-Blanc, with about 21 sunny days on average - ideal for outdoor plans.
Is Chamonix-Mont-Blanc good for snow and ski travel?
Chamonix-Mont-Blanc is profiled as a snow and ski destination in France, France. Its highest-scoring window (January, February, March, April, May, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Chamonix-Mont-Blanc calculated?
Each month is rated 0-10 using ERA5 climate normals for Chamonix-Mont-Blanc: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a snow and ski trip.

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