May weather forecastRichfield, WI
May
Weather in May
May, the last month of the spring in Richfield, is an enjoyable month, with an average temperature fluctuating between 47.1°F (8.4°C) and 62.1°F (16.7°C).Temperature
The onset of May brings a rise in the average high-temperature, elevating from a fresh 50.2°F (10.1°C) in April to an enjoyable 62.1°F (16.7°C). The nights of May in Richfield, Wisconsin, anticipate an average low-temperature of 47.1°F (8.4°C).Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Richfield. Rain falls for 17 days and accumulates 3.11" (79mm) of precipitation.Snowfall
May through September are months without snowfall in Richfield.Daylight
In Richfield, Wisconsin, the average length of the day in May is 14h and 42min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:54 pm. On the last day of May, in Richfield, Wisconsin, sunrise is at 5:15 am and sunset at 8:25 pm CDT.
Sunshine
In Richfield, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during May translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Richfield, WI
- Average high temperature in May: 62.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Richfield, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Richfield, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Richfield, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Richfield, WI
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in May
Richfield, WI
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Richfield, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Richfield, WI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Richfield, WI
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Richfield, WI
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).
Average UV index in May
Richfield, WI
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Richfield, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Richfield, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
