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 commencement of April sees a shift in the average high-temperature, moving from an icy 40.8°F (4.9°C) in March to a frosty 49.8°F (9.9°C). During the month of April, an average temperature of 39.7°F (4.3°C) is noted during the nights.Humidity
The average relative humidity in April is 77%.Rainfall
In Evanston, during April, the rain falls for 16.3 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Evanston, during the entire year, the rain falls for 154.1 days and collects up to 33.31" (846mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2 snowfall days, in April, Evanston aggregates 1.69" (43mm) of snow. In Evanston, during the entire year, snow falls for 40.5 days and aggregates up to 12.76" (324mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of April, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:49 pm CDT.
Sunshine
In Evanston, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Evanston have in April?
What time are sunrise and sunset in April in Evanston?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Evanston, IL
- Average high temperature in April: 49.8°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 39.7°F
The months with the highest average low temperature are July and August (68°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Evanston, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Evanston, IL
- Average wind speed in April: 11.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in April
Evanston, 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
Evanston, IL
- Average rainfall in April: 3.39"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in April
Evanston, IL
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in April
Evanston, IL
- Average snowfall in April: 1.69"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Evanston, IL
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Evanston, 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 4min
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 36min).
Average sunshine days in April
Evanston, IL
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is December (15.3 days).
The months with the least sunshine days are June and July (10.9 days).
Average UV index in April
Evanston, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Evanston, 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
Evanston, 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).
Evanston, Illinois, USA
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