April weather forecastCoffeen, IL
April
Weather in April
April is a comfortable spring month in Coffeen, Illinois, with an average temperature ranging between max 63.7°F (17.6°C) and min 46.6°F (8.1°C).Temperature
The shift from March to April sees an increase in the average high-temperature, transitioning from a cool 52.3°F (11.3°C) to an enjoyable 63.7°F (17.6°C). An average nighttime temperature of 46.6°F (8.1°C) is recorded during April.Humidity
In Coffeen, the average relative humidity in April is 76%.Rainfall
In Coffeen, in April, during 14.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Coffeen, there are 138.5 rainfall days, and 24.33" (618mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 16min.On the first day of April in Coffeen, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in April is 8.2h.UV index
In Coffeen, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in April translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Coffeen, IL
- Average high temperature in April: 63.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 46.6°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 (22.6°F).
Average pressure in April
Coffeen, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Coffeen, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Coffeen, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Coffeen, IL
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in April
Coffeen, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Coffeen, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Coffeen, IL
- Average snowfall days in April: 0.3 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
Coffeen, 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 30min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Coffeen, IL
- Average sunshine days in April: 14 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Coffeen, 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
Coffeen, 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 and September (Cloud cover 29).
Average visibility in April
Coffeen, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
