Climate of Chamonix-Mont-Blanc
Chamonix-Mont-Blanc has a tundra climate. It is cold here all year round. The average annual temperature for Chamonix-Mont-Blanc is 7° degrees and there is about 270 mm of rain in a year. It is dry for 187 days a year with an average humidity of 85% and an UV-index of 2.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -3°C and 17°C
- Night:the average nighttime temperature is between -12°C and 6°C
- Rain: it rains 116 days and there is a total of approximately 271 mm rainfall
- Snow: it snows an average of 55 days per year
- Sun hours: throughout the year there are 2746 sun hours
Maximum temperature: | between -3°C and 17°C |
Warmest month: | 17°C in July |
Coldest month: | -3°C in January |
Night temperature: | between -12°C and 6°C |
Dry days: | 194 days |
Days with rain: | 116 days |
Days with snow: | 55 days |
Total rain sum: | 271 mm |
Hours of sunshine: | 2746 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Chamonix-Mont-Blanc.
Precipitation graph
This graph shows the average amount of rainfall per month for Chamonix-Mont-Blanc.
Climate table of Chamonix-Mont-Blanc
In this climate table you can see at a glance what the average weather per month is for Chamonix-Mont-Blanc. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Chamonix-Mont-Blanc might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | -3 | -2 | 1 | 5 | 9 | 14 | 17 | 17 | 13 | 9 | 3 | -1 |
Night temp. (°C) | -12 | -12 | -8 | -3 | 0 | 4 | 6 | 6 | 4 | 0 | -5 | -10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 24 | 16 | 32 | 13 | 22 | 22 | 23 | 18 | 11 | 17 | 17 | 56 |
Days with rain | 7 | 5 | 8 | 13 | 14 | 14 | 13 | 11 | 10 | 6 | 8 | 7 |
Days with snow | 13 | 12 | 9 | 3 | 1 | - | - | - | - | 1 | 6 | 10 |
Dry days | 11 | 11 | 14 | 14 | 16 | 16 | 18 | 20 | 20 | 24 | 16 | 14 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 6 | 8 | 9 | 10 | 11 | 11 | 9 | 7 | 5 | 5 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 1 | 2 |
Best time to visit Chamonix-Mont-Blanc
The best time to visit Chamonix-Mont-Blanc in France is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Chamonix-Mont-Blanc is 17°C in July and the lowest is -3°C in January.
Climate of Chamonix-Mont-Blanc by month
What is the average climate in a given month for Chamonix-Mont-Blanc? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Chamonix-Mont-Blanc weather experiences
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