April weather forecastGilman, IL
April
Weather in April
April in Gilman, Illinois, is a refreshing spring month, with an average temperature ranging between max 59.5°F (15.3°C) and min 43.7°F (6.5°C).Temperature
A shift in the average high-temperature is noticeable in April, changing from a chilly 47.8°F (8.8°C) in March to a moderate 59.5°F (15.3°C). An average low-temperature of 43.7°F (6.5°C) is noted during the nights in April.Humidity
In April, the average relative humidity is 74%.Rainfall
In April, the rain falls for 13.4 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. In Gilman, during the entire year, the rain falls for 130.7 days and collects up to 17.13" (435mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Gilman aggregates 0.79" (20mm) of snow. In Gilman, Illinois, during the entire year, snow falls for 30.7 days and aggregates up to 8.19" (208mm) of snow.Daylight
In Gilman, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:17 pm. On the last day of April, sunrise is at 5:50 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Gilman, IL
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in April
Gilman, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Gilman, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Gilman, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Gilman, IL
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days in April
Gilman, IL
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall in April
Gilman, IL
- Average snowfall in April: 0.79"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Gilman, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.6 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
Gilman, 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: 7h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Gilman, IL
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Gilman, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Gilman, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in April
Gilman, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





