April weather forecastChapin, IL
April
Weather in April
April is a comfortable spring month in Chapin, Illinois, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63.3°F (17.4°C).Temperature
April's arrival brings a change in high-temperatures, moving from a cool 51.4°F (10.8°C) in March to a refreshing 63.3°F (17.4°C). During April, Chapin's temperature falls to a steady low-temperature average of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In April, in Chapin, the rain falls for 15.8 days. Throughout April, 3.39" (86mm) of precipitation is accumulated. In Chapin, during the entire year, the rain falls for 148.2 days and collects up to 29.37" (746mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Chapin, Illinois. During 0.8 snowfall days, in April, Chapin aggregates 0.16" (4mm) of snow. In Chapin, Illinois, during the entire year, snow falls for 28.3 days and aggregates up to 9.76" (248mm) of snow.Daylight
In Chapin, the average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 6:44 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:55 pm CDT.
Sunshine
In Chapin, Illinois, the average sunshine in April is 8.4h.UV index
In Chapin, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Chapin, IL
- Average high temperature in April: 63.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in April
Chapin, 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
Chapin, IL
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in April
Chapin, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Chapin, IL
- Average rainfall in April: 3.39"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in April
Chapin, IL
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in April
Chapin, IL
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Chapin, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.6 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
Chapin, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Chapin, IL
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in April
Chapin, 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
Chapin, IL
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in April
Chapin, 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).





