Temperatures in May
It's cool to moderate in May in Chamonix-Mont-Blanc with an average temperature of 15°C. Temperatures this month range from a low of 9°C to a high of 19°C. At night, you can expect temperatures between 3°C and 9°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Chamonix-Mont-Blanc in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Chamonix-Mont-Blanc with cool temperatures, averaging around 14°C during the day and nights close to 5°C. Plenty of days with a chance of precipitation.
Mid-May
By mid-May, the average daytime temperature rises to around 15°C, with nights close to 6°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of May
By the end of May, the average daytime temperature in Chamonix-Mont-Blanc will be around 18°C, with nights close to 8°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in May
In May, there is an average of 135 mm of precipitation, spread over 16 days. Of the total precipitation, about 9,9 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the South.
Across the whole month, the average precipitation chance is 50% per day. Though it seems average, the weather’s variable. Some days have higher, others lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Chamonix-Mont-Blanc. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Chamonix-Mont-Blanc in May |
London | ||
|---|---|---|---|
 Average Temperature |
15°C | 18°C | |
 High Temp |
19°C | 21°C | |
| Low Temp |
9°C | 15°C | |
 Total Precipitation |
135 mm | 46 mm | |
| Rainy Days |
16 days | 8 days | |
 Total Snowfall |
9,9 cm | 0 cm | |
| Snowy Days |
5 days | 0 days | |
April
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Chamonix-Mont-Blanc?
Looking for sun and warm weather? Then May isn’t the best time to be in Chamonix-Mont-Blanc. The temperature is too low this month for a warm stay.
Check out the climate of Chamonix-Mont-Blanc for all months and discover the best travel time
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.
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Daily Temperature in May in Chamonix-Mont-Blanc
This chart shows the average daily temperatures, both day and night, for each day in May in Chamonix-Mont-Blanc, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in May in Chamonix-Mont-Blanc
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Although it can get especially cool at night, daytime temper... more
Daily Precipitation in May in Chamonix-Mont-Blanc
The chart below shows the average daily precipitation in May for Chamonix-Mont-Blanc, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 16 days of rain in Chamonix-Mont-Blanc.
Daily Snowfall in May in Chamonix-Mont-Blanc
This chart shows the average daily snowfall in May in Chamonix-Mont-Blanc, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV Index in May in Chamonix-Mont-Blanc
This chart shows the average daily UV index in May in Chamonix-Mont-Blanc, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Chamonix-Mont-Blanc Over the Years
This chart shows the average temperature in May in Chamonix-Mont-Blanc, measured in degrees Celsius, over the past years.
Total Precipitation in May in Chamonix-Mont-Blanc Over the Years
This chart shows the average precipitation in May in Chamonix-Mont-Blanc, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in May in Chamonix-Mont-Blanc per year
This chart shows the average snowfall in May in Chamonix-Mont-Blanc, measured in centimetres, over the past years.
Daily climate in May for Chamonix-Mont-Blanc
Click on a specific day in May for detailed info on the typical weather on that day in Chamonix-Mont-Blanc. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Chamonix-Mont-Blanc
The weather in May in Chamonix-Mont-Blanc is rated 4 out of 5 stars by 1 visitor. Have you been to Chamonix-Mont-Blanc? Share your weather experience to help other visitors.
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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
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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.
Or check out the climate of Chamonix-Mont-Blanc for all months at once
