April weather forecastMenomonee Falls, WI
April
Weather in April
April sees a noticeable leap in the weather pattern. Warmer temperatures, longer daylight hours and the least monthly snowfall welcome spring to Menomonee Falls. Expect the once dormant nature to stir back to life, and rains replace snow showers. Even with the increased rainfall, which peaks this month at 2.83" (72mm), April manifests the rejuvenating spirit of the spring season.Temperature
Menomonee Falls sees a rise in temperature during April, with average high-temperatures transitioning from an icy 39.4°F (4.1°C) in March to a cool 50.2°F (10.1°C). In April, the average low-temperature is a wintry 37°F (2.8°C).Humidity
In Menomonee Falls, the average relative humidity in April is 77%.Rainfall
In Menomonee Falls, during April, the rain falls for 15.7 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 139.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2.8 snowfall days, in April, Menomonee Falls aggregates 1.46" (37mm) of snow. Throughout the year, in Menomonee Falls, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 26min.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 Menomonee Falls, the average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Menomonee Falls, WI
- Average high temperature in April: 50.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Menomonee Falls, 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
Menomonee Falls, WI
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Menomonee Falls, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Menomonee Falls, WI
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in April
Menomonee Falls, WI
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in April
Menomonee Falls, WI
- Average snowfall in April: 1.46"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Menomonee Falls, WI
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is January (12.6 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
Menomonee Falls, 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 6min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Menomonee Falls, WI
- Average sunshine days in April: 12 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).
Average UV index in April
Menomonee Falls, WI
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Menomonee Falls, 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 and August (Cloud cover 28).
Average visibility in April
Menomonee Falls, WI
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





