April weather forecastPlainfield, IL
April
Weather in April
April is a moderate spring month in Plainfield, Illinois, with an average temperature ranging between min 41.7°F (5.4°C) and max 58.1°F (14.5°C).Temperature
The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 46.2°F (7.9°C) in March to a refreshing 58.1°F (14.5°C). The average temperature during April nights dips to a wintry 41.7°F (5.4°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Plainfield, in April, during 16.3 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, there are 153.6 rainfall days, and 32.72" (831mm) of precipitation is accumulated.Snowfall
Months with snowfall in Plainfield, Illinois, are January through April, November and December. April is the last month it regularly snows. During 1 snowfall days, in April, Plainfield aggregates 1.57" (40mm) of snow. Throughout the year, in Plainfield, there are 38.2 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
The average length of the day in April in Plainfield is 13h and 22min.On the first day of April, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:50 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April in Plainfield is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Plainfield, IL
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Plainfield, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Plainfield, IL
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
Plainfield, IL
- Average humidity in April: 75%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Plainfield, IL
- Average rainfall in April: 3.62"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in April
Plainfield, IL
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in April
Plainfield, IL
- Average snowfall in April: 1.57"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Plainfield, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (11.9 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
Plainfield, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Plainfield, IL
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Plainfield, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Plainfield, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Plainfield, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





