What’s the climate like in Chamonix-Mont-Blanc?
The current climate of Chamonix-Mont-Blanc features average monthly temperatures ranging from highs of 22°C during the day to lows of 0°C. The average yearly temperature is around 11°C. At night, temperatures in the colder months average around -5°C and in the warmer months around 11°C.
The highest temperature recorded in Chamonix-Mont-Blanc in recent years was 38°C in August 2023. The lowest daytime temperature recorded was -11°C in February 2018.
On average, Chamonix-Mont-Blanc gets 1399 mm of precipitation each year. Of this, about 303 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Curious about the climate in other parts of France? Check out the weather and climate in places like Paris, Côte d'Azur, or have a look at other destinations in France.
Best time to visit Chamonix-Mont-Blanc?
The best time to visit Chamonix-Mont-Blanc for pleasant to warm weather is May through September. There might be some rain during this period, but the temperatures are just right for exploring Chamonix-Mont-Blanc.
Climate Table of Chamonix-Mont-Blanc
The climate table of Chamonix-Mont-Blanc shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 0 | 4 | 7 | 9 | 15 | 19 | 22 | 20 | 16 | 12 | 6 | 1 |
| Temp. min (°C) | -5 | -3 | -1 | 1 | 6 | 9 | 12 | 11 | 8 | 5 | 1 | -3 |
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| Precipitation (mm) | 168 | 112 | 109 | 116 | 135 | 81 | 93 | 94 | 62 | 122 | 135 | 172 |
| Snow (cm) | 64 | 30 | 45 | 26 | 9,8 | 0,1 | 0 | 0 | 2,2 | 9,9 | 57 | 58 |
| UV Index | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 5 | 3 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 11°C
- Highest temperature: 22°C in July
- Lowest temperature: 0°C in January
- Precipitation*: 1399 mm per year, averaging 117 mm per month
- Snowfall: 303 cm per year
- Driest months: 62 mm in September, 81 mm in June and 93 mm in July
- Wettest months: 172 mm in December, 168 mm in January and 135 mm in May
*Precipitation is measured as a combination of rain, snow, and hail
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Weather experiences in Chamonix-Mont-Blanc
Excellent
The snow is in excellent condition and temperatures hover ar... more
Good
Although the sun could shine quite brightly during the day, ... more
Table of Contents
Average Temperature per Month in Chamonix-Mont-Blanc
This graph shows the average maximum temperatures per month in Chamonix-Mont-Blanc, France. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Chamonix-Mont-Blanc
This graph shows how much precipitation Chamonix-Mont-Blanc, France, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Chamonix-Mont-Blanc
This graph shows how much snow Chamonix-Mont-Blanc, France, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Chamonix-Mont-Blanc
This graph shows the average UV index per month in Chamonix-Mont-Blanc, France. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Chamonix-Mont-Blanc
This graph shows the average yearly temperature in Chamonix-Mont-Blanc, France. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Chamonix-Mont-Blanc
This chart shows the total yearly precipitation in Chamonix-Mont-Blanc, France, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Chamonix-Mont-Blanc
This chart shows the total yearly snowfall in Chamonix-Mont-Blanc, France, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Chamonix-Mont-Blanc
The weather in Chamonix-Mont-Blanc is rated an average of 4,2 out of 5 stars by 6 visitors. Have you been to Chamonix-Mont-Blanc? Share your weather experience to help other visitors.
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Although the sun could shine quite brightly during the day, it was cooler in the evening. There were a few rain showers, but nothing disrupted our plans. I definitely recommend bringing a jumper for the cooler evenings.— This text is automatically translated to English
Although it can get especially cool at night, daytime temperatures were pleasant. An occasional rain shower cannot affect the generally favourable weather. Wear layers!— This text is automatically translated to English
It was a pleasantly warm day, ideal for walking. The evenings were cool, but not cold. Unfortunately, there was some rain, but that could not dampen our mood. Definitely highly recommended!— This text is automatically translated to English
The snow is in excellent condition and temperatures hover around freezing, perfect for winter sports!— This text is automatically translated to English
It can be chilly, so warm clothes are required. Less crowded than in high season, but plenty of snow for winter sports.— This text is automatically translated to English
Lots of snowfall, perfect for skiing. It was mostly below zero during the day and -10°C at night. The highlight were the days with clear blue skies.— This text is automatically translated to English
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Average Weather in Chamonix-Mont-Blanc by Month
Click on a month below to see detailed weather info for Chamonix-Mont-Blanc. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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