April weather forecastWisconsin Dells, WI

April
Weather in April
April brings a significant change in Wisconsin Dells, as the weather starts showing clearer signs of spring. A notable rise in the average high temperature is observed at 52.5°F (11.4°C), marking a departure from the chilly days of winter. Rainfall predominates the scene with heavy showers expected on 9.9 days. Evidence of spring's arrival is seen as leaf buds begin sprouting, and the city is awash with vibrant colors. Despite occasional rainfall, April in Wisconsin Dells puts a colorful spin on the weather wheel of the year.Temperature
Wisconsin Dells's April weather shows an increase in high-temperatures, moving from March's wintry 40.5°F (4.7°C) to a fresh 52.5°F (11.4°C). Wisconsin Dells sees an average low-temperature of 36.3°F (2.4°C) during April.Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
In Wisconsin Dells, during April, the rain falls for 9.9 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Wisconsin Dells, Wisconsin, during the entire year, the rain falls for 94.1 days and collects up to 8.46" (215mm) of precipitation.Snowfall
Months with snowfall in Wisconsin Dells are January through April, October through December. April is the last month it regularly snows in Wisconsin Dells. During 2.3 snowfall days, in April, Wisconsin Dells aggregates 0.39" (10mm) of snow. In Wisconsin Dells, during the entire year, snow falls for 43.9 days and aggregates up to 6.02" (153mm) of snow.Daylight
In Wisconsin Dells, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:26 pm. On the last day of April, in Wisconsin Dells, sunrise is at 5:51 am and sunset at 8:00 pm CDT.
Sunshine
In Wisconsin Dells, the average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Wisconsin Dells, WI
- Average high temperature in April: 52.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in April: 36.3°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in April
Wisconsin Dells, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Wisconsin Dells, WI
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Wisconsin Dells, WI
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Wisconsin Dells, WI
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in April
Wisconsin Dells, WI
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Wisconsin Dells, WI
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Wisconsin Dells, WI
- Average snowfall days in April: 2.3 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
Wisconsin Dells, WI
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in April
Wisconsin Dells, WI
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).
Average UV index in April
Wisconsin Dells, 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
Wisconsin Dells, WI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Wisconsin Dells, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





