April weather forecastBrown Deer, WI
April
Weather in April
April is a chilly spring month in Brown Deer, Wisconsin, with an average temperature fluctuating between 48.2°F (9°C) and 37.8°F (3.2°C).Temperature
Brown Deer, Wisconsin, in April sees a temperature change, with average high-temperatures moving from a wintry 38.8°F (3.8°C) in March to a chilly 48.2°F (9°C). Brown Deer sees an average low-temperature of 37.8°F (3.2°C) during April.Humidity
In Brown Deer, the average relative humidity in April is 77%.Rainfall
In Brown Deer, during April, the rain falls for 13.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 129.5 rainfall days, and 18.62" (473mm) 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 snowfall days, in April, Brown Deer aggregates 0.67" (17mm) of snow. In Brown Deer, Wisconsin, during the entire year, snow falls for 42.5 days and aggregates up to 8.23" (209mm) of snow.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 7:18 pm. On the last day of April, sunrise is at 5:45 am and sunset at 7:52 pm CDT.
Sunshine
In Brown Deer, the average sunshine in April is 7.6h.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 unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Brown Deer, WI
- Average high temperature in April: 48.2°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in April: 37.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Brown Deer, 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 (29.92"Hg).
Average wind speed in April
Brown Deer, WI
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in April
Brown Deer, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Brown Deer, WI
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in April
Brown Deer, WI
- Average rainfall days in April: 13.3 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in April
Brown Deer, WI
- Average snowfall in April: 0.67"
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
Brown Deer, WI
- Average snowfall days in April: 2 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
Brown Deer, 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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Brown Deer, WI
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in April
Brown Deer, 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 and December (UV index 1).
Average cloud cover in April
Brown Deer, WI
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Brown Deer, 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).
