April weather forecastJackson, WI
April
Weather in April
April is a cool spring month in Jackson, Wisconsin, with an average temperature ranging between min 36.7°F (2.6°C) and max 50°F (10°C).Temperature
As March gives way to April, the average high-temperature displays an increase, moving from a wintry 39.4°F (4.1°C) to a fresh 50°F (10°C). Throughout April, Jackson witnesses a nighttime temperature average of 36.7°F (2.6°C).Humidity
April and October, with an average relative humidity of 77%, are the least humid months.Rainfall
In Jackson, in April, during 15.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Jackson, during the entire year, the rain falls for 139.5 days and collects up to 26.77" (680mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2.7 snowfall days, in April, Jackson aggregates 1.3" (33mm) of snow. In Jackson, during the entire year, snow falls for 47.1 days and aggregates up to 16.54" (420mm) of snow.Daylight
The average length of the day in April is 13h and 27min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:45 am and sunset at 7:53 pm CDT.
Sunshine
In Jackson, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during April leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jackson, WI
- Average high temperature in April: 50°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in April
Jackson, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Jackson, WI
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Jackson, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in April
Jackson, WI
- Average rainfall in April: 2.83"
The wettest months (with the highest rainfall) are May and June (3.19").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in April
Jackson, WI
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Jackson, WI
- Average snowfall in April: 1.3"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Jackson, WI
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Jackson, WI
- Average daylight in April: 13h and 24min
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 0min).
- Average sunshine in April: 7h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Jackson, WI
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in April
Jackson, WI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Jackson, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in April
Jackson, WI
- Average visibility in April: 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).





