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 brings a rise in the average high-temperature, elevating from a chilly 43.5°F (6.4°C) in March to a fresh 54.7°F (12.6°C). April nights are marked by an average temperature drop to a wintry 38.8°F (3.8°C).Humidity
The average relative humidity in April in Island Lake is 76%.Rainfall
In Island Lake, during April, the rain falls for 15.5 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 151.2 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Island Lake, in April, during 2.4 snowfall days, 1.97" (50mm) of snow is typically accumulated. In Island Lake, during the entire year, snow falls for 48.9 days and aggregates up to 14.76" (375mm) of snow.Daylight
In April, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:51 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April in Island Lake is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Island Lake?
What is the average humidity in April in Island Lake?
How much does it rain in Island Lake in April?
How many days does it snow in April in Island Lake?
How many hours of daylight does Island Lake have in April?
What time are sunrise and sunset in April in Island Lake?
How long on average sun shines in April in Island Lake?
How high is the UV index in April in Island Lake?
Average temperature in April
Island Lake, IL
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in April
Island Lake, 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
Island Lake, IL
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Island Lake, IL
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Island Lake, IL
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in April
Island Lake, IL
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in April
Island Lake, IL
- Average snowfall in April: 1.97"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Island Lake, IL
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Island Lake, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Island Lake, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in April
Island Lake, IL
- Average UV index in April: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Island Lake, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in April
Island Lake, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Island Lake, Illinois, USA
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