May weather forecastMountain, WI
May
Weather in May
The last month of the spring, May, is a comfortable month in Mountain, Wisconsin, with an average temperature varying between 63.9°F (17.7°C) and 43.5°F (6.4°C).Temperature
The arrival of May brings a distinct temperature shift, with the average high-temperature escalating from a chilly 48.7°F (9.3°C) in April to a refreshing 63.9°F (17.7°C). In Mountain, the May nights cool down to an average low of 43.5°F (6.4°C).Humidity
The least humid month is May, with an average relative humidity of 73%.Rainfall
In Mountain, in May, during 15.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Mountain, during the entire year, the rain falls for 122.9 days and collects up to 21.34" (542mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Mountain aggregates 0.08" (2mm) of snow. In Mountain, during the entire year, snow falls for 66.5 days and aggregates up to 28.9" (734mm) of snow.Daylight
In May, the average length of the day is 14h and 53min.On the first day of May in Mountain, sunrise is at 5:41 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:33 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mountain, WI
- Average high temperature in May: 63.9°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 (21.6°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Mountain, WI
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Mountain, WI
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Mountain, WI
- Average humidity in May: 73%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Mountain, WI
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in May
Mountain, WI
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Mountain, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mountain, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mountain, WI
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Mountain, WI
- Average sunshine days in May: 13.3 days
The months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Mountain, WI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in May
Mountain, WI
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Mountain, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
