April weather forecastLake Summerset, IL
April
Weather in April
April in Lake Summerset, Illinois, is a cool spring month, with an average temperature ranging between min 38.1°F (3.4°C) and max 54.9°F (12.7°C).Temperature
April indicates a change in the average high-temperature, moving up from a chilly 43°F (6.1°C) in March to a cool 54.9°F (12.7°C). In Lake Summerset, the average temperature during the nights of April drops to a cold 38.1°F (3.4°C).Humidity
In Lake Summerset, the average relative humidity in April is 77%.Rainfall
In Lake Summerset, in April, it is raining for 10.1 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 90.4 rainfall days, and 7.09" (180mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Lake Summerset aggregates 0.2" (5mm) of snow. In Lake Summerset, during the entire year, snow falls for 32.7 days and aggregates up to 3.9" (99mm) of snow.Daylight
The average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:56 pm CDT.
Sunshine
In April, the average sunshine is 7.2h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 3 in April transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lake Summerset, IL
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in April
Lake Summerset, IL
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Lake Summerset, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Lake Summerset, IL
- Average humidity in April: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Lake Summerset, IL
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in April
Lake Summerset, IL
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is May (12.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in April
Lake Summerset, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Lake Summerset, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Lake Summerset, 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 6min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in April
Lake Summerset, IL
- Average sunshine days in April: 16.8 days
The months with the most sunshine days are November and December (22.9 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in April
Lake Summerset, IL
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Lake Summerset, IL
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in April
Lake Summerset, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
