April weather forecastLeaf River, IL
April
Weather in April
April is a moderate spring month in Leaf River, Illinois, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 40.3°F (4.6°C).Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a chilly 44.2°F (6.8°C) in March to a moderate 56.5°F (13.6°C). In April, Leaf River's temperature tends to fall to an average low of 40.3°F (4.6°C) during the night.Humidity
The months with the lowest humidity in Leaf River, Illinois, are April and October, with an average relative humidity of 75%.Rainfall
In Leaf River, Illinois, during April, the rain falls for 16.6 days and regularly aggregates up to 3.54" (90mm) of precipitation. In Leaf River, during the entire year, the rain falls for 154.8 days and collects up to 32.36" (822mm) of precipitation.Snowfall
Months with snowfall in Leaf River, Illinois, are January through May, October through December. In Leaf River, in April, during 1.8 snowfall days, 0.91" (23mm) of snow is typically accumulated. Throughout the year, there are 45.5 snowfall days, and 19.25" (489mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 23min.On the first day of April, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:56 pm CDT.
Sunshine
The average sunshine in April in Leaf River is 7.4h.UV index
In Leaf River, Illinois, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Leaf River, IL
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in April
Leaf River, 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 (29.91"Hg).
Average wind speed in April
Leaf River, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Leaf River, IL
- Average humidity in April: 75%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in April
Leaf River, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in April
Leaf River, IL
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Leaf River, IL
- Average snowfall in April: 0.91"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Leaf River, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Leaf River, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Leaf River, IL
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Leaf River, IL
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Leaf River, IL
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in April
Leaf River, 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).
