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 from March to April sees an increase in the average high-temperature, transitioning from an icy 41.2°F (5.1°C) to a cool 50.7°F (10.4°C). During the nights in April, the temperature averages to a cold 38.8°F (3.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In April, the rain falls for 14.3 days. Throughout April, 2.44" (62mm) of precipitation is accumulated. In Gurnee, during the entire year, the rain falls for 142.5 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.4 snowfall days, in April, Gurnee aggregates 0.98" (25mm) of snow. Throughout the year, there are 45.5 snowfall days, and 9.37" (238mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April in Gurnee, Illinois, is 7.8h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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 Gurnee have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Gurnee, IL
- Average high temperature in April: 50.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in April
Gurnee, IL
- Average pressure in April: 29.96"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
Gurnee, IL
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in April
Gurnee, IL
- Average humidity in April: 77%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in April
Gurnee, IL
- Average rainfall in April: 2.44"
The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in April
Gurnee, IL
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in April
Gurnee, IL
- Average snowfall in April: 0.98"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Gurnee, IL
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Gurnee, 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 6min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Gurnee, IL
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Gurnee, 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
Gurnee, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Gurnee, 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).
Gurnee, Illinois, USA
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