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
With the onset of May, River Falls's weather sees a temperature rise, transitioning from a cool 51.4°F (10.8°C) in April to a comfortable 64.9°F (18.3°C). In May, River Falls reports a consistent average low-temperature of 47.7°F (8.7°C) during the nights.Humidity
The average relative humidity in May is 77%.Rainfall
In River Falls, during May, the rain falls for 15.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. In River Falls, Wisconsin, during the entire year, the rain falls for 123.7 days and collects up to 20.43" (519mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in River Falls, Wisconsin. May is the last month it regularly snows in River Falls. During 0.5 snowfall days, in May, River Falls aggregates 0.43" (11mm) of snow. Throughout the year, in River Falls, there are 61.5 snowfall days, and 17.48" (444mm) of snow is accumulated.Daylight
In May, the average length of the day in River Falls is 14h and 52min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:49 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In River Falls, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in River Falls?
What is the average humidity in May in River Falls?
How much does it rain in River Falls in May?
What is the last month it snows in River Falls?
How many hours of daylight does River Falls have in May?
What time are sunrise and sunset in May in River Falls?
How many hours of sunshine does River Falls have in May?
What is the UV index intensity in May in River Falls?
Average temperature in May
River Falls, WI
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in May
River Falls, WI
- Average pressure in May: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
River Falls, WI
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
River Falls, WI
- Average humidity in May: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
River Falls, WI
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
River Falls, WI
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
River Falls, WI
- Average snowfall in May: 0.43"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
River Falls, WI
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
River Falls, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
River Falls, WI
- Average sunshine days in May: 12.9 days
The months with the most sunshine days are October and December (17.6 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in May
River Falls, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
River Falls, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
River Falls, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
River Falls, Wisconsin, USA
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