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
With the onset of April, Long Grove's average high-temperature sees a rise, moving from March's chilly 43.3°F (6.3°C) to a cool 54.1°F (12.3°C). During the month of April, Long Grove's nighttime temperature lowers to an average of 39.4°F (4.1°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Long Grove, Illinois, in April, during 16.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Long Grove, during the entire year, the rain falls for 154.2 days and collects up to 28.94" (735mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Long Grove, during April, snow falls for 2 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, there are 45.4 snowfall days, and 16.85" (428mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:50 pm CDT.
Sunshine
In Long Grove, the average sunshine in April is 7.6h.UV index
In Long Grove, Illinois, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Long Grove have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Long Grove have in April?
What is the UV index intensity in April in Long Grove?
Average temperature in April
Long Grove, IL
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in April
Long Grove, 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
Long Grove, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Long Grove, IL
- Average humidity in April: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Long Grove, IL
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in April
Long Grove, IL
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in April
Long Grove, IL
- Average snowfall in April: 1.89"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Long Grove, IL
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Long Grove, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Long Grove, IL
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in April
Long Grove, 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
Long Grove, 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 29).
Average visibility in April
Long Grove, 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).
Long Grove, Illinois, USA
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