May weather forecastTrempealeau, WI
May
Weather in May
May, the last month of the spring in Trempealeau, is a refreshing month, with an average temperature varying between 65.3°F (18.5°C) and 47.5°F (8.6°C).Temperature
May's arrival brings a temperature shift, moving from a fresh 53.2°F (11.8°C) in April to a refreshing 65.3°F (18.5°C). Throughout May, Trempealeau's nights cool down to an average of 47.5°F (8.6°C).Humidity
The average relative humidity in May is 81%.Rainfall
In Trempealeau, during May, the rain falls for 18 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 137 rainfall days, and 27.01" (686mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Trempealeau aggregates 0.16" (4mm) of snow. In Trempealeau, during the entire year, snow falls for 63.2 days and aggregates up to 23.66" (601mm) of snow.Daylight
In May, the average length of the day is 14h and 46min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:41 pm CDT.
Sunshine
In Trempealeau, the average sunshine in May is 8.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Trempealeau, WI
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in May: 47.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in May
Trempealeau, WI
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Trempealeau, WI
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Trempealeau, WI
- Average humidity in May: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Trempealeau, WI
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Trempealeau, WI
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Trempealeau, WI
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Trempealeau, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Trempealeau, WI
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Trempealeau, WI
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in May
Trempealeau, WI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Trempealeau, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Trempealeau, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
