April weather forecastGreenleaf, WI
April
Weather in April
April in Greenleaf, Wisconsin, is a cool spring month, with an average temperature fluctuating between 50.5°F (10.3°C) and 35.4°F (1.9°C).Temperature
With the onset of April, Greenleaf sees a temperature rise, with the average high-temperature moving from March's wintry 38.8°F (3.8°C) to a cool 50.5°F (10.3°C). Nightly temperatures drop to an average low of 35.4°F (1.9°C) in April.Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Greenleaf, in April, it is raining for 13.6 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 132.7 rainfall days, and 24.33" (618mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 3.1 snowfall days, in April, Greenleaf aggregates 2.09" (53mm) of snow. Throughout the year, there are 48.7 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
In Greenleaf, the average length of the day in April is 13h and 30min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:43 am and sunset at 7:55 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in April translates into these instructions:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greenleaf, WI
- Average high temperature in April: 50.5°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 (22.5°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in April
Greenleaf, WI
- Average pressure in April: 29.97"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Greenleaf, WI
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Greenleaf, WI
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Greenleaf, WI
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in April
Greenleaf, WI
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in April
Greenleaf, WI
- Average snowfall in April: 2.09"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Greenleaf, WI
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Greenleaf, WI
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in April
Greenleaf, WI
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Greenleaf, 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, November and December (UV index 1).
Average cloud cover in April
Greenleaf, WI
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Greenleaf, 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).





