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
The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 53.2°F (11.8°C) to a refreshing 65.3°F (18.5°C). Onalaska registers a consistent average low-temperature of 47.7°F (8.7°C) during May.Humidity
In Onalaska, the average relative humidity in May is 80%.Rainfall
In Onalaska, during May, the rain falls for 17 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 129.3 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Onalaska. During 0.3 snowfall days, in May, Onalaska aggregates 0.16" (4mm) of snow. Throughout the year, there are 48.3 snowfall days, and 20.2" (513mm) of snow is accumulated.Daylight
The average length of the day in May in Onalaska is 14h and 46min.On the first day of May, sunrise is at 5:55 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:40 pm CDT.
Sunshine
In May, the average sunshine in Onalaska is 8.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Onalaska in May?
What is the average humidity in May in Onalaska?
How many days does it rain in May in Onalaska?
What is the last month it snows in Onalaska?
What is the average length of the day in May in Onalaska?
When is the sunrise / sunset in May in Onalaska?
How long on average sun shines in May in Onalaska?
What is the month with the highest UV index in Onalaska?
What is the UV index reading in May in Onalaska?
Average temperature in May
Onalaska, WI
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in May
Onalaska, 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
Onalaska, 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
Onalaska, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Onalaska, WI
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Onalaska, 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 (3.2 days).
Average snowfall in May
Onalaska, WI
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Onalaska, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Onalaska, WI
- Average daylight in May: 14h and 5min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Onalaska, WI
- Average sunshine days in May: 12 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Onalaska, 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
Onalaska, 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 32).
Average visibility in May
Onalaska, 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).
Onalaska, Wisconsin, USA
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