April weather forecastNorth Riverside, IL
April
Weather in April
April in North Riverside, Illinois, is a cool spring month, with an average temperature varying between 53.8°F (12.1°C) and 40.8°F (4.9°C).Temperature
April witnesses an increase in the average high-temperature, moving from a chilly 43.7°F (6.5°C) in March to a fresh 53.8°F (12.1°C). During April, the nighttime temperature averages to an icy 40.8°F (4.9°C).Humidity
In North Riverside, Illinois, the average relative humidity in April is 75%.Rainfall
In North Riverside, in April, it is raining for 10.5 days, with typically 0.75" (19mm) of accumulated precipitation. In North Riverside, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in North Riverside. April is the last month it regularly snows in North Riverside. During 1.3 snowfall days, in April, North Riverside aggregates 0.59" (15mm) of snow. Throughout the year, there are 26.5 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
In April, the average length of the day in North Riverside is 13h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of April, in North Riverside, sunrise is at 5:47 am and sunset at 7:49 pm CDT.
Sunshine
In North Riverside, the average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April in North Riverside is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
North Riverside, IL
- Average high temperature in April: 53.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 40.8°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 (19.2°F).
Average pressure in April
North Riverside, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
North Riverside, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in April
North Riverside, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
North Riverside, IL
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in April
North Riverside, IL
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in April
North Riverside, IL
- Average snowfall in April: 0.59"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
North Riverside, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (7.3 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
North Riverside, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
North Riverside, IL
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in April
North Riverside, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
North Riverside, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
North Riverside, 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).





