Chamonix-Mont-Blanc
-3 to 17°C
temperature
2746 hours
sunshine per day
271 mm
rain
194 days
dry
116 days
rain
55 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 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

Do you want to go to Chamonix-Mont-Blanc?

These are the travel companies where you can book a trip to Chamonix-Mont-Blanc:

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

Have you been to in Chamonix-Mont-Blanc?

Submit your Chamonix-Mont-Blanc weather experience today and get a chance to win £100!

Your email will not appear with the review and will not be passed on to third parties.
Seen a mistake?

Email us, we are grateful to you.