Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In April, the meteorological conditions change with the average high-temperature moving from a wintry 37°F (2.8°C) in March to a chilly 49.6°F (9.8°C). In April, Sumner experiences a temperature dip to an average of 33.4°F (0.8°C) at night.Humidity
In Sumner, the average relative humidity in April is 77%.Rainfall
In Sumner, in April, during 14.1 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Sumner, during the entire year, the rain falls for 137.1 days and collects up to 24.72" (628mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Sumner, Wisconsin, in April, snow falls for 6.5 days, with typically accumulated 4.02" (102mm) of snow. Throughout the year, in Sumner, Wisconsin, there are 84.2 snowfall days, and 30.63" (778mm) of snow is accumulated.Daylight
In Sumner, the average length of the day in April is 13h and 33min.On the first day of April in Sumner, Wisconsin, sunrise is at 6:45 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:12 pm CDT.
Sunshine
In Sumner, the average sunshine in April is 6.8h.UV index
In Sumner, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Sumner in April?
What is the average humidity in April in Sumner?
How many days does it rain in April in Sumner?
How many days does it snow in April in Sumner?
What is the average length of the day in April in Sumner?
When are sunrise and sunset in April in Sumner?
How many hours of sunshine does Sumner have in April?
How high is the UV index in April in Sumner?
Average temperature in April
Sumner, WI
- Average high temperature in April: 49.6°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 (17.6°F).
- Average low temperature in April: 33.4°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in April
Sumner, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Sumner, WI
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Sumner, WI
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in April
Sumner, WI
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in April
Sumner, WI
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in April
Sumner, WI
- Average snowfall in April: 4.02"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sumner, WI
- Average snowfall days in April: 6.5 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sumner, WI
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
Sumner, WI
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in April
Sumner, 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, February and December (UV index 1).
Average cloud cover in April
Sumner, WI
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Sumner, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Sumner, Wisconsin, USA
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