FranceAverage weather for Chamonix Mont Blanc in May
It's cool to moderate in May in Chamonix Mont Blanc with an average temperature of 18°C. Temperatures this month range from a low of 12°C to a high of 21°C. At night, you can expect temperatures between 6°C and 12°C.
Start of May
The month of May starts in Chamonix Mont Blanc with cool temps, averaging around 17°C during the day and nights around 8°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid May
By mid-May, daytime temps rise to around 18°C, with nights around 9°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in Chamonix Mont Blanc is around 21°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
In May, there is an average of 110 mm of precipitation, spread over 15 days. Of the total precipitation, about 1,1 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the West.
Chamonix Mont Blanc in May |
New York | ||
|---|---|---|---|
 Average temperature |
18°C | 22°C | |
 Max. temperature |
21°C | 28°C | |
| Min. temperature |
12°C | -5°C | |
 Total precipitation |
110 mm | 105 mm | |
| Rainy days |
15 days | 14 days | |
 Total snowfall |
1,1 cm | 0 cm | |
| Snowy days |
1 day | 0 days | |
April
UV index
The UV index is a maximum of 9 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? May isn’t a good month to be in Chamonix Mont Blanc. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 29°C in 2015, Chamonix Mont Blanc reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 5°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 18°C.
Check out the climate of Chamonix Mont Blanc for all months and discover the best travel time
Curious about the weather in other parts of France? Check out the climate and weather for spots like Paris, Côte d'Azur, Bretagne, or explore other destinations in France.
Daily Temperature in May in Chamonix Mont Blanc
This chart shows the average daily high and low temperatures in May for Chamonix Mont Blanc, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Chamonix Mont Blanc
The chart below shows the average daily precipitation in May for Chamonix Mont Blanc, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 15 days of precipitation 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 centimeters. 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 few 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 millimeters over the past years. Precipitation is always measured as water, whether 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 centimeters, over the past few years.
Daily weather in May for Chamonix Mont Blanc
Click on any day in May to get detailed info about the usual 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
Have you been to Chamonix Mont Blanc in May?
Share your weather experience in May in Chamonix Mont Blanc.
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
