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
May
Weather in May
Temperature
As Riveo welcomes May, the average high-temperature displays a subtle shift, adjusting from a chilly 9.8°C (49.6°F) in April to a mild 13.8°C (56.8°F). Throughout the month of May, Riveo reports a steady low-temperature average of 4.5°C (40.1°F).Humidity
The average relative humidity in May is 79%.Rainfall
In Riveo, in May, during 23.8 rainfall days, 129mm (5.08") of precipitation is typically accumulated. In Riveo, during the entire year, the rain falls for 200.8 days and collects up to 1253mm (49.33") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Riveo. During 0.3 snowfall days, in May, Riveo aggregates 1mm (0.04") of snow. Throughout the year, in Riveo, there are 63.5 snowfall days, and 1500mm (59.06") of snow is accumulated.Daylight
In May, the average length of the day in Riveo is 15h and 0min.On the first day of May in Riveo, sunrise is at 06:10 and sunset at 20:34. On the last day of the month, sunrise is at 05:37 and sunset at 21:09 CEST.
Sunshine
In Riveo, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during May leads to these advisories:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Riveo in May?
What is the average humidity in May in Riveo?
How much does it rain in Riveo in May?
What is the last month it snows in Riveo?
What is the average length of the day in May in Riveo?
What time are sunrise and sunset in May in Riveo?
How long on average sun shines in May in Riveo?
What is the UV index intensity in May in Riveo?
Average temperature in May
Riveo, Switzerland
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in May: 4.5°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in May
Riveo, Switzerland
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in May
Riveo, Switzerland
- Average wind speed in May: 7km/h
The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in May
Riveo, Switzerland
- Average humidity in May: 79%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Riveo, Switzerland
- Average rainfall in May: 129mm
The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in May
Riveo, Switzerland
- Average rainfall days in May: 23.8 days
The month with the highest number of rainy days is July (25.5 days).
The months with the least rainy days are February and December (8.6 days).
Average snowfall in May
Riveo, Switzerland
- Average snowfall in May: 1mm
The month with the highest snowfall is November (334mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Riveo, Switzerland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riveo, 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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in May
Riveo, Switzerland
- Average sunshine days in May: 3.8 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (3.1 days).
Average UV index in May
Riveo, Switzerland
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Riveo, Switzerland
- Average cloud cover in May: 38
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Riveo, Switzerland
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, March, September, October and November (8km).
