-3 to 17°C
temperature
2721 hours
sunshine per day
1367 mm
rain
72 days
dry
206 days
rain
87 days
snow

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 15° degrees and there is about 538 inch of rain in a year. It is dry for 92 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 206 days and there is a total of approximately 1367 mm rainfall
  • Snow: it snows an average of 87 days per year
  • Sun hours: throughout the year there are 2721 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: 72 days
Days with rain: 206 days
Days with snow: 87 days
Total rain sum: 1367 mm
Hours of sunshine: 2721 hours

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. (°F) 28 28 33 41 48 57 62 62 55 47 37 30
Night temp. (°F) 11 11 18 27 33 40 43 43 38 32 24 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 48 31 46 42 63 58 55 46 29 26 36 57
Days with rain 10 10 15 21 26 24 23 20 20 13 13 11
Days with snow 18 18 15 8 2 - - - - 3 9 14
Dry days 3 - 1 1 3 6 8 11 10 15 8 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 6 8 9 10 11 11 8 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 is January through April and August through November. In this period you have a pleasant temperature and sometimes precipitation. The highest average temperature in Chamonix Mont Blanc is 62°F in July and the lowest is 28°F 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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