May weather forecastRiaz, Switzerland
May weather for Riaz, Switzerland: The month with the most rainfall in Riaz, Switzerland, is May, when the rain falls for 11.6 days and typically aggregates up to 38mm (1.5") of precipitation. The last month of the spring, May, is a moderate month in Riaz, Switzerland, with an average temperature varying between 3.2°C (37.8°F) and 13.3°C (55.9°F).
May
Weather in May
The last month of the spring, May, is a moderate month in Riaz, Switzerland, with an average temperature varying between 3.2°C (37.8°F) and 13.3°C (55.9°F).Temperature
The start of May signals a slight increase in the average high-temperature, moving from a cool 10.2°C (50.4°F) in April to a refreshing 13.3°C (55.9°F). Riaz observes an average nighttime low-temperature of 3.2°C (37.8°F) during the month of May.Humidity
The average relative humidity in May in Riaz, Switzerland, is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 11.6 days and typically aggregates up to 38mm (1.5") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Riaz aggregates 8mm (0.31") of snow. Throughout the year, in Riaz, Switzerland, there are 35.5 snowfall days, and 551mm (21.69") of snow is accumulated.Daylight
In May, the average length of the day in Riaz is 15h and 2min.On the first day of the month, sunrise is at 06:16 and sunset at 20:41. On the last day of May, sunrise is at 05:42 and sunset at 21:16 CEST.
Sunshine
In Riaz, the average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in May, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riaz, Switzerland
- Average high temperature in May: 13.3°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in May: 3.2°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in May
Riaz, Switzerland
- Average pressure in May: 1016mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Riaz, Switzerland
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in May
Riaz, Switzerland
- Average humidity in May: 81%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in May
Riaz, Switzerland
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in May
Riaz, Switzerland
- Average rainfall days in May: 11.6 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Riaz, Switzerland
- Average snowfall in May: 8mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Riaz, Switzerland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riaz, Switzerland
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in May
Riaz, Switzerland
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in May
Riaz, Switzerland
- Average UV index in May: 3
The month with the highest UV index is June (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
Riaz, Switzerland
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Riaz, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
