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
April's onset witnesses a shift in the average high-temperature, moving from a cold 41.5°F (5.3°C) in March to a fresh 50.7°F (10.4°C). Chicago, in April, observes a steady average low-temperature of 40.6°F (4.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Chicago, in April, it is raining for 16.6 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Chicago, Illinois, there are 160.2 rainfall days, and 36.97" (939mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Chicago. In Chicago, in April, snow falls for 2.4 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, there are 40.9 snowfall days, and 13.9" (353mm) of snow is accumulated.Ocean temperature
In Chicago, the average seawater temperature in April is 41°F (5°C).Note: Unprotected swimming in 41°F (5°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In Chicago, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:46 am and sunset at 7:48 pm CDT.
Sunshine
In Chicago, the average sunshine in April is 7.8h.UV index
In Chicago, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the temperature in April in Chicago?
What is the average humidity in April in Chicago?
How many days does it rain in April in Chicago?
How much does it snow in Chicago in April?
What is the water temperature in April in Chicago?
How many hours of daylight does Chicago have in April?
When is the sunrise / sunset in April in Chicago?
How long on average sun shines in April in Chicago?
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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