April weather forecastChampaign, IL
April
Weather in April
April showcases a significant change as temperatures soar, indicating the transition towards the warmer months. Incidentally, it emerges as the month with the highest average rainfall, recording 2.24" (57mm) of precipitation. Conversely, the frequency of snowfall is notably low, with Champaign witnessing barely some fractions of an inch of snow. Days become considerably longer, and the city basks in an additional touch of sunshine as compared to March. The wind speed is slightly larger as April progresses, suggesting the arrival of a more dynamic weather system.Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a frosty 49.5°F (9.7°C) in March to an enjoyable 61.3°F (16.3°C). During April, Champaign sees a mean low-temperature of 45.7°F (7.6°C).Humidity
In Champaign, the average relative humidity in April is 74%.Rainfall
The month with the most rainfall is April, when the rain falls for 13.8 days and typically aggregates up to 2.24" (57mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Champaign aggregates 0.12" (3mm) of snow. In Champaign, Illinois, during the entire year, snow falls for 27.1 days and aggregates up to 5.91" (150mm) of snow.Daylight
The average length of the day in April is 13h and 18min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:17 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In Champaign, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Champaign, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Champaign, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Champaign, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Champaign, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Champaign, IL
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in April
Champaign, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in April
Champaign, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Champaign, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Champaign, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Champaign, IL
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in April
Champaign, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Champaign, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in April
Champaign, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
