April weather forecastCoal Valley, IL
April
Weather in April
April in Coal Valley, Illinois, is a mild spring month, with an average temperature fluctuating between 59°F (15°C) and 42.4°F (5.8°C).Temperature
With the arrival of April, the average high-temperature transitions from a chilly 46.9°F (8.3°C) in March to a refreshing 59°F (15°C). Throughout the month of April, Coal Valley expects an average low of 42.4°F (5.8°C).Humidity
The average relative humidity in April in Coal Valley is 74%.Rainfall
In Coal Valley, in April, during 8.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Coal Valley, during the entire year, the rain falls for 75.2 days and collects up to 5.79" (147mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Coal Valley aggregates 0.2" (5mm) of snow. In Coal Valley, Illinois, during the entire year, snow falls for 18.4 days and aggregates up to 2.64" (67mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April in Coal Valley, sunrise is at 6:43 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:58 pm CDT.
Sunshine
In Coal Valley, Illinois, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Coal Valley, IL
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in April
Coal Valley, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Coal Valley, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in April
Coal Valley, IL
- Average humidity in April: 74%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Coal Valley, IL
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in April
Coal Valley, IL
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in April
Coal Valley, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Coal Valley, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 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
Coal Valley, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Coal Valley, IL
- Average sunshine days in April: 19.6 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (15.4 days).
Average UV index in April
Coal Valley, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Coal Valley, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Coal Valley, 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).
