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
The shift into April is characterized by a rise in the average high-temperature, transitioning from March's chilly 44.8°F (7.1°C) to a refreshing 56.1°F (13.4°C). During April in West Chicago, the average low-temperature is recorded at an icy 40.1°F (4.5°C).Humidity
In April, the average relative humidity in West Chicago is 76%.Rainfall
In West Chicago, during April, the rain falls for 11.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in West Chicago, there are 101.9 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in West Chicago. April is the last month it regularly snows in West Chicago. During 1.2 snowfall days, in April, West Chicago aggregates 0.67" (17mm) of snow. In West Chicago, during the entire year, snow falls for 28.3 days and aggregates up to 3.74" (95mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of April in West Chicago, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In West Chicago, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the usual temperature for West Chicago in April?
What is the average humidity in April in West Chicago?
How much does it rain in West Chicago in April?
What is the last month it snows in West Chicago?
What is the average length of the day in April in West Chicago?
What time are sunrise and sunset in April in West Chicago?
How long on average sun shines in April in West Chicago?
What is the UV index intensity in April in West Chicago?
Average temperature in April
West Chicago, IL
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 40.1°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 (16.2°F).
Average pressure in April
West 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
West Chicago, IL
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
West Chicago, IL
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
West Chicago, IL
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in April
West Chicago, IL
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in April
West Chicago, IL
- Average snowfall in April: 0.67"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
West Chicago, IL
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
West Chicago, IL
- Average sunshine days in April: 15.6 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in April
West Chicago, 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
West Chicago, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
West Chicago, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
West Chicago, Illinois, USA
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