April weather forecastGraytown, WI
April
Weather in April
April is a fresh spring month in Graytown, Wisconsin, with an average temperature ranging between max 50.5°F (10.3°C) and min 34.3°F (1.3°C).Temperature
With the onset of April, Graytown's average high-temperature experiences a rise, moving from March's icy 37°F (2.8°C) to a cool 50.5°F (10.3°C). During the nights in April, an average low-temperature of 34.3°F (1.3°C) is observed.Humidity
With an average relative humidity of 76%, April is the least humid month.Rainfall
In Graytown, during April, the rain falls for 14 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 128.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Graytown, in April, during 5.7 snowfall days, 2.91" (74mm) of snow is typically accumulated. In Graytown, during the entire year, snow falls for 74.5 days and aggregates up to 24.06" (611mm) of snow.Daylight
In Graytown, the average length of the day in April is 13h and 32min.On the first day of April, sunrise is at 6:47 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:13 pm CDT.
Sunshine
In April, the average sunshine is 6.8h.UV index
In Graytown, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Keep in mind! Snow's reflective quality can nearly 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
Graytown, WI
- Average high temperature in April: 50.5°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 (18°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in April
Graytown, WI
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Graytown, WI
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in April
Graytown, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Graytown, WI
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Graytown, WI
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in April
Graytown, WI
- Average snowfall in April: 2.91"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Graytown, WI
- Average snowfall days in April: 5.7 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Graytown, WI
- Average daylight in April: 13h and 30min
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 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in April
Graytown, WI
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in April
Graytown, 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, November and December (UV index 1).
Average cloud cover in April
Graytown, WI
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Graytown, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





