April weather forecastBuffalo Grove, IL
April
Weather in April
April is a cool spring month in Buffalo Grove, Illinois, with an average temperature fluctuating between 39.4°F (4.1°C) and 54.1°F (12.3°C).Temperature
Buffalo Grove in April shows a temperature shift, moving from an average high of a chilly 43.3°F (6.3°C) in March to a cool 54.1°F (12.3°C). Buffalo Grove in April anticipates an average nighttime temperature of 39.4°F (4.1°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Buffalo Grove, in April, during 16.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Buffalo Grove, during the entire year, the rain falls for 154.2 days and collects up to 28.94" (735mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Buffalo Grove, in April, snow falls for 2 days, with typically accumulated 1.89" (48mm) of snow. In Buffalo Grove, during the entire year, snow falls for 45.4 days and aggregates up to 16.85" (428mm) of snow.Daylight
The average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:50 pm CDT.
Sunshine
In Buffalo Grove, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Average temperature in April
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo Grove, IL
- Average daylight in April: 13h and 24min
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 36min
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
Buffalo 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
Buffalo 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
Buffalo 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
Buffalo 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).





