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 sea temperature 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
The start of April in Chicago, Illinois, signals an increase in the average high-temperature, moving from a cold 41.5°F in March to a fresh 50.7°F. Chicago's nighttime temperature in April drops to an average of 40.6°F.Humidity
In Chicago, the average relative humidity in April is 77%.Rainfall
In Chicago, in April, during 16.6 rainfall days, 3.7" of precipitation is typically accumulated. Throughout the year, there are 160.2 rainfall days, and 36.97" of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Chicago. In Chicago, in April, during 2.4 snowfall days, 1.61" of snow is typically accumulated. In Chicago, during the entire year, snow falls for 40.9 days and aggregates up to 13.9" of snow.Ocean temperature
In Chicago, in April, the average water temperature is 41°F.Note: At temperatures below 50°F, swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F is not comfortable.
Daylight
The average length of the day in April in Chicago is 13h and 23min.On the first day of April in Chicago, Illinois, sunrise is at 6:33 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine in Chicago, Illinois, is 7.8h.UV index
In April, the average daily maximum UV index in Chicago is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in April leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
FAQ
What is the average April temperature in Chicago?
What is the average humidity in April in Chicago?
How many days does it rain in April in Chicago?
How many days does it snow in April in Chicago?
What is the ocean temperature in April in Chicago?
How many hours of daylight does Chicago have in April?
When are sunrise and sunset in April in Chicago?
How many hours of sunshine does Chicago have in April?
How high is the UV index in April in Chicago?
Average temperature in April
Chicago, IL
- Average high temperature in April: 50.7°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Chicago, 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, IL
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in April
Chicago, IL
- Average humidity in April: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Chicago, IL
- Average rainfall in April: 3.7"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in April
Chicago, IL
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in April
Chicago, IL
- Average snowfall in April: 1.61"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Chicago, IL
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Chicago, IL
- Average sea temperature in April: 40.9°F
The best month for swimming (with the highest average sea temperature) is August (73.9°F).
The coldest month (with the lowest average sea temperature) is February (36.9°F).
Average daylight in April /
Average sunshine in April
Chicago, IL
- Average daylight in April: 13h and 2min
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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Chicago, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in April
Chicago, IL
- Average UV index in April: 3
The months with the highest UV index are 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
Chicago, IL
- Average cloud cover in April: 48
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 27).
Average visibility in April
Chicago, 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).
Chicago, Illinois, USA
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