April weather forecastBrillion, WI
April
Weather in April
April is a cool spring month in Brillion, Wisconsin, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 35.2°F (1.8°C).Temperature
With the onset of April, Brillion sees a temperature rise, with the average high-temperature moving from March's cold 38.8°F (3.8°C) to a fresh 50.2°F (10.1°C). Throughout April, Brillion experiences a low-temperature average of 35.2°F (1.8°C).Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Brillion, during April, the rain falls for 13.6 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 125 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 3.5 days. Throughout April, 1.1" (28mm) of snow is accumulated. In Brillion, during the entire year, snow falls for 55.7 days and aggregates up to 13.39" (340mm) of snow.Daylight
In Brillion, the average length of the day in April is 13h and 29min.On the first day of April, sunrise is at 6:31 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:55 pm CDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Brillion, WI
- Average high temperature in April: 50.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in April
Brillion, WI
- Average pressure in April: 29.96"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
Brillion, WI
- Average wind speed in April: 10mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Brillion, 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
Brillion, WI
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in April
Brillion, WI
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Brillion, WI
- Average snowfall in April: 1.1"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Brillion, WI
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Brillion, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in April
Brillion, WI
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in April
Brillion, 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
Brillion, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Brillion, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
