Chamonix-Mont-Blanc Weather in January
What's the weather like in Chamonix-Mont-Blanc (Rhône-Alpes) in January 2026?
The climate in Chamonix-Mont-Blanc during January can be summarized as cold and wet.
January is in the winter in Chamonix-Mont-Blanc and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -5°C (22°F), whilst at night -11°C (13°F) is normal.
| Daytime temperature | -5.4°C 22.3°F |
|---|---|
| Nightly temperature | -10.6°C 12.9°F |
| Average temperature | -8°C 17.6°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 17 days |
| Sea temperature | 12°C 53.6°F |
| Humidity | 70% |
| Windspeed | 22.7kph 14 mph |
On average January is the 5th driest month of the year in Chamonix-Mont-Blanc with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
January temperatures in Chamonix-Mont-Blanc
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Chamonix-Mont-Blanc in January 2025.
Other monthly averages
Best places to visit in January
Chamonix-Mont-Blanc weather stats
| Hottest month: | July | 10.8°C 51.4°F |
|---|---|---|
| Driest month: | February | 113mm 4.4ins |
| Sunniest month: | July | 8.4hrs |
| Coldest month: | January | -5.5°C 22.1°F |
| Wettest month: | August | 152mm 6ins |
© Google
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