April weather forecastWheaton, IL
April
Weather in April
April in Wheaton is known for a significant rise in temperatures, high rainfall, and longer daylight hours. It features an apparent spike in rainfall, with 3.78" (96mm), ushering in the refreshing showers of springtime. As the temperatures steer clear of the freezing point, snowfall ceases. The city basks in more sunshine duration, and days begin to feel noticeably longer. The city begins to lively, and colors return as the spring season fully sets in.Temperature
The average high-temperature increases in April, moving from a frosty 45°F (7.2°C) in March to a refreshing 56.3°F (13.5°C). April's average low-temperature reading settles at a wintry 40.3°F (4.6°C).Humidity
The average relative humidity in April is 75%.Rainfall
In April, the rain falls for 17 days. Throughout April, 3.78" (96mm) of precipitation is accumulated. Throughout the year, there are 164.3 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Wheaton, in April, snow falls for 1.8 days, with typically accumulated 2.6" (66mm) of snow. Throughout the year, there are 47 snowfall days, and 20.2" (513mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:50 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Wheaton, IL
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Wheaton, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Wheaton, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Wheaton, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Wheaton, IL
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are November and December (1.65").
Average rainfall days in April
Wheaton, IL
- Average rainfall days in April: 17 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Wheaton, IL
- Average snowfall in April: 2.6"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Wheaton, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Wheaton, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Wheaton, IL
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in April
Wheaton, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Wheaton, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Wheaton, IL
- 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).





