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 onset of April in Evanston marks an increase in the average high-temperature, moving from a cold 40.8°F (4.9°C) in March to a frosty 49.8°F (9.9°C). Evanston experiences a nighttime temperature average of 39.7°F (4.3°C) during April.Humidity
In April, the average relative humidity in Evanston, Illinois, is 77%.Rainfall
In Evanston, in April, during 16.3 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 33.31" (846mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Evanston. 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
The average length of the day in April in Evanston, Illinois, is 13h and 23min.On the first day of April in Evanston, 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
The average sunshine in April in Evanston is 7.7h.UV index
In April, the average daily maximum UV index in Evanston is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during April leads to these instructions:
Take precautions - Protection against sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are the temperatures in Evanston in April?
What is the average humidity in April in Evanston?
How much does it rain in Evanston in April?
What is the last month it snows in Evanston?
What is the average length of the day in April in Evanston?
What time are sunrise and sunset in April in Evanston?
How many hours of sunshine does Evanston have in April?
What is the UV index intensity in April in Evanston?
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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