April weather forecastPlainville, IL
April
Weather in April
April in Plainville, Illinois, is a comfortable spring month, with an average temperature varying between 45.5°F (7.5°C) and 63.5°F (17.5°C).Temperature
Plainville's weather shows a temperature rise with the arrival of April, moving from a cool 51.6°F (10.9°C) in March to a refreshing 63.5°F (17.5°C). April brings Plainville a consistent average low-temperature of 45.5°F (7.5°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Plainville, Illinois, in April, it is raining for 14.8 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 136 rainfall days, and 25" (635mm) of precipitation is accumulated.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, Plainville aggregates 0.08" (2mm) of snow. Throughout the year, in Plainville, there are 20 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In Plainville, the average length of the day in April is 13h and 17min.On the first day of April in Plainville, sunrise is at 6:47 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in April in Plainville is 8.3h.UV index
In Plainville, Illinois, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Plainville, IL
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Plainville, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Plainville, IL
- Average wind speed in April: 9.9mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in April
Plainville, IL
- Average humidity in April: 75%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Plainville, IL
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Plainville, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in April
Plainville, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Plainville, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (6.2 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
Plainville, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Plainville, IL
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in April
Plainville, 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
Plainville, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Plainville, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





