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
April's onset witnesses a shift in the average high-temperature, moving from a cold 41.2°F (5.1°C) in March to a cool 50.7°F (10.4°C). During April, Waukegan experiences an average low-temperature of 38.8°F (3.8°C) at night.Humidity
The average relative humidity in April is 77%.Rainfall
In Waukegan, in April, during 14.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Waukegan, 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, Waukegan aggregates 0.98" (25mm) of snow. In Waukegan, during the entire year, snow falls for 45.5 days and aggregates up to 9.37" (238mm) of snow.Daylight
In April, the average length of the day in Waukegan is 13h and 24min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of April, sunrise is at 5:46 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during April leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Waukegan?
What is the average humidity in April in Waukegan?
How much does it rain in Waukegan in April?
What is the last month it snows in Waukegan?
What is the average length of the day in April in Waukegan?
When is the sunrise / sunset in April in Waukegan?
How long on average sun shines in April in Waukegan?
How high is the UV index in April in Waukegan?
Average temperature in April
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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
Waukegan, 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).
Waukegan, Illinois, USA
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