Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In Riddes, the average high-temperature in May slightly rises, from an icy 5.7°C (42.3°F) in April, to a frosty 9.4°C (48.9°F). In May, Riddes experiences an average nighttime temperature of 0.4°C (32.7°F).Humidity
In May, the average relative humidity is 85%.Rainfall
May is the month with the most rainfall. Rain falls for 23.3 days and accumulates 110mm (4.33") of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Riddes aggregates 7mm (0.28") of snow. In Riddes, Switzerland, during the entire year, snow falls for 35.6 days and aggregates up to 419mm (16.5") of snow.Daylight
In Riddes, the average length of the day in May is 14h and 59min.On the first day of May, sunrise is at 06:16 and sunset at 20:39. On the last day of the month, sunrise is at 05:43 and sunset at 21:14 CEST.
Sunshine
In Riddes, the average sunshine in May is 8.6h.UV index
In Riddes, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in May translates into this advice:
Exercise prevention - Warding off sunburn is urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Riddes?
What is the average humidity in May in Riddes?
What is the rainiest month in Riddes?
How many days does it rain in May in Riddes?
What is the last month it snows in Riddes?
How many hours of daylight does Riddes have in May?
When is the sunrise / sunset in May in Riddes?
How many hours of sunshine does Riddes have in May?
What is the UV index reading in May in Riddes?
Average temperature in May
Riddes, Switzerland
- Average high temperature in May: 9.4°C
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in May: 0.4°C
The months with the highest average low temperature are July and August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-10.8°C).
Average pressure in May
Riddes, Switzerland
- Average pressure in May: 1015.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Riddes, Switzerland
- Average wind speed in May: 7.2km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in May
Riddes, Switzerland
- Average humidity in May: 85%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July, August and October (79%).
Average rainfall in May
Riddes, Switzerland
- Average rainfall in May: 110mm
The wettest month (with the highest rainfall) is May (110mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in May
Riddes, Switzerland
- Average rainfall days in May: 23.3 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is January (11.8 days).
Average snowfall in May
Riddes, Switzerland
- Average snowfall in May: 7mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Riddes, Switzerland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Riddes, Switzerland
- 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Riddes, Switzerland
- Average sunshine days in May: 4.7 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (4.7 days).
Average UV index in May
Riddes, Switzerland
- 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 and March (UV index 1).
Average cloud cover in May
Riddes, Switzerland
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility in May
Riddes, Switzerland
- Average visibility in May: 7km
The months with the highest visibility are June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May and September (7km).
Riddes, Switzerland
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