May weather forecastUnion Grove, WI
May
Weather in May
The last month of the spring, May, is an enjoyable month in Union Grove, Wisconsin, with an average temperature ranging between max 63.5°F (17.5°C) and min 48.2°F (9°C).Temperature
As Union Grove transitions into May, the average high-temperature is observed to rise from a cool 51.8°F (11°C) in April to a refreshing 63.5°F (17.5°C). Nighttime temperatures in May average to a chilly 48.2°F (9°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Union Grove, during May, the rain falls for 19 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Union Grove, during the entire year, the rain falls for 154.2 days and collects up to 30.67" (779mm) of precipitation.Snowfall
In Union Grove, snow does not fall in May through September.Daylight
In Union Grove, the average length of the day in May is 14h and 39min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Union Grove, WI
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Union Grove, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Union Grove, WI
- Average wind speed in May: 8.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in May
Union Grove, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in May
Union Grove, WI
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in May
Union Grove, WI
- Average rainfall days in May: 19 days
The months with the highest number of rainy days are May and July (19 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in May
Union Grove, WI
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Union Grove, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Union Grove, WI
- Average daylight in May: 14h and 36min
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 6min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Union Grove, WI
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Union Grove, WI
- Average UV index in May: 4
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Union Grove, WI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Union Grove, WI
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
