April weather forecastRosemont, IL
April
Weather in April
April is a cool spring month in Rosemont, Illinois, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 40.5°F (4.7°C).Temperature
With the arrival of April, the average high-temperature transitions from a frosty 43.7°F (6.5°C) in March to a fresh 54.1°F (12.3°C). April in Rosemont generally records an average low-temperature of 40.5°F (4.7°C).Humidity
In Rosemont, the average relative humidity in April is 75%.Rainfall
In Rosemont, during April, the rain falls for 15.2 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 24.13" (613mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rosemont, during April, snow falls for 2.3 days and regularly aggregates up to 2.01" (51mm) of snow. In Rosemont, during the entire year, snow falls for 44.8 days and aggregates up to 12.83" (326mm) of snow.Daylight
In April, the average length of the day in Rosemont 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 Rosemont, sunrise is at 5:47 am and sunset at 7:49 pm CDT.
Sunshine
In Rosemont, the average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index in Rosemont, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rosemont, IL
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 40.5°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 (18.1°F).
Average pressure in April
Rosemont, 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
Rosemont, IL
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Rosemont, 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
Rosemont, IL
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in April
Rosemont, IL
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Rosemont, IL
- Average snowfall in April: 2.01"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rosemont, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rosemont, 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 30min
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 42min).
Average sunshine days in April
Rosemont, IL
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Rosemont, 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
Rosemont, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in April
Rosemont, 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).
