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's arrival signals a temperature shift, moving from a chilly 45.5°F (7.5°C) in March to a refreshing 56.7°F (13.7°C). Chicago Heights experiences a mean low-temperature of 41.7°F (5.4°C) during April.Humidity
The average relative humidity in April is 75%.Rainfall
In April, in Chicago Heights, the rain falls for 16.8 days. Throughout April, 3.43" (87mm) of precipitation is accumulated. Throughout the year, in Chicago Heights, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.9 snowfall days, in April, Chicago Heights aggregates 1.97" (50mm) of snow. In Chicago Heights, during the entire year, snow falls for 44.6 days and aggregates up to 16.46" (418mm) of snow.Daylight
In April, the average length of the day in Chicago Heights is 13h and 22min.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, in Chicago Heights, sunrise is at 5:47 am and sunset at 7:47 pm CDT.
Sunshine
In Chicago Heights, Illinois, the average sunshine in April is 7.6h.UV index
In Chicago Heights, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in April transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the temperature in April in Chicago Heights?
What is the average humidity in April in Chicago Heights?
How much does it rain in Chicago Heights in April?
What is the last month it snows in Chicago Heights?
How many hours of daylight does Chicago Heights have in April?
When are sunrise and sunset in April in Chicago Heights?
How many hours of sunshine does Chicago Heights have in April?
How high is the UV index in April in Chicago Heights?
Average temperature in April
Chicago Heights, IL
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Chicago Heights, 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
Chicago Heights, IL
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Chicago Heights, 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 (73%).
Average rainfall in April
Chicago Heights, IL
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in April
Chicago Heights, IL
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
Chicago Heights, IL
- Average snowfall in April: 1.97"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Chicago Heights, IL
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Chicago Heights, 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 12min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Chicago Heights, IL
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in April
Chicago Heights, 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 December (UV index 1).
Average cloud cover in April
Chicago Heights, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Chicago Heights, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Chicago Heights, Illinois, USA
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