May weather forecastChamonix, France
May
Weather in May
May in Chamonix sees a consistent rise in temperatures and longest daylight hours in the year, marking the arrival of late spring. The town dresses up in lush green as the last traces of the winter snow melt away. Expect the highest temperatures during the day to touch 8.8°C (47.8°F). A plethora of spring-related festivities fill up the local calendar, as Chamonix soaks in the sun before the arrival of summer.Temperature
Chamonix's May weather indicates a minor increase in high-temperatures, edging from April's icy 5.3°C (41.5°F) to a chilly 8.8°C (47.8°F). Chamonix's average low-temperature for the month of May records at a cold 0.5°C (32.9°F).Humidity
The average relative humidity in May is 86%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 58mm (2.28") of precipitation is accumulated. In Chamonix, during the entire year, the rain falls for 132.8 days and collects up to 461mm (18.15") of precipitation.Snowfall
January through May, October through December are months with snowfall in Chamonix, France. May is the last month it regularly snows. During 1.3 snowfall days, in May, Chamonix aggregates 18mm (0.71") of snow. Throughout the year, in Chamonix, there are 56.7 snowfall days, and 924mm (36.38") of snow is accumulated.Daylight
In May, the average length of the day is 14h and 58min.On the first day of the month, sunrise is at 06:18 and sunset at 20:40. On the last day of May, sunrise is at 05:45 and sunset at 21:14 CEST.
Sunshine
In Chamonix, France, the average sunshine in May is 8.6h.UV index
In Chamonix, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a regular UV index of 3 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chamonix, France
- Average high temperature in May: 8.8°C
The warmest months (with the highest average high temperature) are July and August (16.8°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in May: 0.5°C
The month with the highest average low temperature is July (6.7°C).
The coldest month (with the lowest average low temperature) is January (-11.4°C).
Average pressure in May
Chamonix, France
- Average pressure in May: 1015.6mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in May
Chamonix, France
- Average wind speed in May: 7.3km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in May
Chamonix, France
- Average humidity in May: 86%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Chamonix, France
- Average rainfall in May: 58mm
The wettest month (with the highest rainfall) is December (72mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in May
Chamonix, France
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Chamonix, France
- Average snowfall in May: 18mm
The month with the highest snowfall is December (245mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Chamonix, France
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Chamonix, France
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Chamonix, France
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Chamonix, France
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March and November (UV index 1).
Average cloud cover in May
Chamonix, France
- Average cloud cover in May: 50
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Chamonix, France
- Average visibility in May: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
