Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Onalaska's transition into April sees a rise in the average high-temperature, advancing from a wintry 40.1°F (4.5°C) in March to a cool 53.2°F (11.8°C). Throughout April, Onalaska experiences a low-temperature average of 36°F (2.2°C).Humidity
In Onalaska, the average relative humidity in April is 77%.Rainfall
In Onalaska, Wisconsin, during April, the rain falls for 14.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Onalaska, during the entire year, the rain falls for 129.3 days and collects up to 26.42" (671mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Onalaska. In Onalaska, in April, during 3 snowfall days, 2.56" (65mm) of snow is typically accumulated. In Onalaska, during the entire year, snow falls for 48.3 days and aggregates up to 20.2" (513mm) of snow.Daylight
The average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:56 am and sunset at 8:07 pm CDT.
Sunshine
In Onalaska, the average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index in Onalaska, Wisconsin, is 3. 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: In April, an average UV index of 3 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Onalaska in April?
What is the average humidity in April in Onalaska?
How many days does it rain in April in Onalaska?
How many days does it snow in April in Onalaska?
What is the average length of the day in April in Onalaska?
When are sunrise and sunset in April in Onalaska?
How many hours of sunshine does Onalaska have in April?
What is the UV index reading in April in Onalaska?
Average temperature in April
Onalaska, WI
- Average high temperature in April: 53.2°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 April: 36°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 April
Onalaska, WI
- Average pressure in April: 29.95"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 April
Onalaska, WI
- Average wind speed in April: 9.3mph
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 April
Onalaska, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Onalaska, WI
- Average rainfall in April: 2.52"
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 April
Onalaska, WI
- Average rainfall days in April: 14.9 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 April
Onalaska, WI
- Average snowfall in April: 2.56"
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 April
Onalaska, WI
- Average snowfall days in April: 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 April /
Average sunshine in April
Onalaska, WI
- Average daylight in April: 13h and 3min
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 April: 7h and 1min
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 April
Onalaska, WI
- Average sunshine days in April: 11.5 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 April
Onalaska, WI
- Average UV index in April: 3
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 April
Onalaska, WI
- Average cloud cover in April: 51
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 April
Onalaska, WI
- Average visibility in April: 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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