Chamonix-Mont-Blanc Weather in March
What's the weather like in Chamonix-Mont-Blanc (Rhône-Alpes) in March 2025?
The climate in Chamonix-Mont-Blanc during March can be summarized as cold and damp.
March is in the spring in Chamonix-Mont-Blanc and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing -4°C (26°F), whilst at night -9°C (15°F) is normal.
| Daytime temperature | -3.6°C 25.5°F |
|---|---|
| Nightly temperature | -9.4°C 15.1°F |
| Average temperature | -6.5°C 20.3°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 120 mm 4.7 ins |
| Rainy days | 18 days |
| Sea temperature | 11.6°C 52.8°F |
| Humidity | 73% |
| Windspeed | 20.9kph 13 mph |
On average March is the 2nd driest month of the year in Chamonix-Mont-Blanc with around 120mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
March temperatures in Chamonix-Mont-Blanc
March rainfall
March 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 March 2025.
Other monthly averages
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 |
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