Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April brings a rise in Grant Park's average high-temperature, moving from a frosty 47.1°F (8.4°C) in March to a moderate 58.6°F (14.8°C). During the month of April, the nighttime temperature in Grant Park falls to an average of 42.6°F (5.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Grant Park, in April, during 13.2 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 132 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Grant Park aggregates 0.43" (11mm) of snow. Throughout the year, in Grant Park, there are 36.5 snowfall days, and 5.28" (134mm) of snow is accumulated.Daylight
In Grant Park, the average length of the day in April is 13h and 21min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine in Grant Park, Illinois, is 7.7h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows in Grant Park?
How many hours of daylight does Grant Park have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Grant Park?
Average temperature in April
Grant Park, IL
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Grant Park, 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 (29.92"Hg).
Average wind speed in April
Grant Park, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Grant Park, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Grant Park, IL
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in April
Grant Park, IL
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Grant Park, IL
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Grant Park, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.3 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
Grant Park, IL
- Average daylight in April: 13h and 2min
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 18min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Grant Park, IL
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Grant Park, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Grant Park, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Grant Park, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Grant Park, Illinois, USA
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