April weather forecastAshippun, WI
April
Weather in April
April in Ashippun, Wisconsin, is a cool spring month, with an average temperature varying between 52.9°F (11.6°C) and 36.9°F (2.7°C).Temperature
April's onset brings a rise in the average high-temperature, moving from a cold 41°F (5°C) in March to a fresh 52.9°F (11.6°C). During April, the nighttime temperature averages of 36.9°F (2.7°C).Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Ashippun, in April, it is raining for 12.2 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 117.9 rainfall days, and 13.82" (351mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.3 snowfall days, in April, Ashippun aggregates 0.39" (10mm) of snow. Throughout the year, there are 47.6 snowfall days, and 7.4" (188mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:34 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:54 pm CDT.
Sunshine
In Ashippun, the average sunshine in April is 7.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in April transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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
Average temperature in April
Ashippun, WI
- Average high temperature in April: 52.9°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 (24.3°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in April
Ashippun, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Ashippun, WI
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Ashippun, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Ashippun, WI
- Average rainfall in April: 1.46"
The wettest month (with the highest rainfall) is July (1.85").
The driest months (with the least rainfall) are February and December (0.59").
Average rainfall days in April
Ashippun, WI
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in April
Ashippun, WI
- Average snowfall in April: 0.39"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Ashippun, WI
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Ashippun, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in April
Ashippun, WI
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in April
Ashippun, WI
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Ashippun, WI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in April
Ashippun, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





