April weather forecastGilson, IL
April
Weather in April
April in Gilson, Illinois, is a refreshing spring month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 60.4°F (15.8°C).Temperature
The shift from March to April brings an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) to a moderate 60.4°F (15.8°C). Throughout April, Gilson registers a consistent average low-temperature of 43.7°F (6.5°C).Humidity
In Gilson, the average relative humidity in April is 75%.Rainfall
In Gilson, during April, the rain falls for 13.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 126 rainfall days, and 14.45" (367mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.1 snowfall days, in April, Gilson aggregates 0.43" (11mm) of snow. Throughout the year, in Gilson, Illinois, there are 32.2 snowfall days, and 4.8" (122mm) of snow is accumulated.Daylight
In Gilson, Illinois, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:26 pm. On the last day of April, sunrise is at 5:59 am and sunset at 7:56 pm CDT.
Sunshine
In April, the average sunshine in Gilson, Illinois, is 8h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Gilson, IL
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in April
Gilson, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Gilson, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Gilson, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Gilson, IL
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in April
Gilson, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in April
Gilson, IL
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Gilson, IL
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (10.3 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
Gilson, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Gilson, IL
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in April
Gilson, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Gilson, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Gilson, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
