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
Entering April, West Chicago sees a temperature rise, with the average high-temperature advancing from March's chilly 44.8°F (7.1°C) to a refreshing 56.1°F (13.4°C). In April, the average low-temperature records at a cold 40.1°F (4.5°C) during the nights.Humidity
The average relative humidity in April is 76%.Rainfall
In April, the rain falls for 11.1 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. In West Chicago, during the entire year, the rain falls for 101.9 days and collects up to 8.58" (218mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, West Chicago aggregates 0.67" (17mm) of snow. Throughout the year, there are 28.3 snowfall days, and 3.74" (95mm) of snow is accumulated.Daylight
In West Chicago, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of April, 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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in April translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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 much does it rain in West Chicago in April?
What is the last month it snows?
How many hours of daylight does West Chicago have in April?
When are sunrise and sunset in April?
How many hours of sunshine does West Chicago have in April?
What is the UV index intensity in April?
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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