April weather forecastAlorton, IL
April
Weather in April
April is a refreshing spring month in Alorton, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 48°F (8.9°C).Temperature
The arrival of April brings a temperature shift, with the average high-temperature escalating from a cool 54.5°F (12.5°C) in March to an enjoyable 65.5°F (18.6°C). Alorton's average low-temperature in the month of April is recorded at a chilly 48°F (8.9°C).Humidity
In April, the average relative humidity in Alorton is 76%.Rainfall
In April, the rain falls for 15.7 days. Throughout April, 4.09" (104mm) of precipitation is accumulated. In Alorton, during the entire year, the rain falls for 152.2 days and collects up to 36.46" (926mm) of precipitation.Snowfall
In Alorton, snow does not fall in April through October.Daylight
In Alorton, Illinois, the average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of April, in Alorton, sunrise is at 6:03 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index in Alorton is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 5 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Alorton, IL
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in April
Alorton, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Alorton, IL
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in April
Alorton, IL
- Average humidity in April: 76%
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Alorton, IL
- Average rainfall in April: 4.09"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in April
Alorton, IL
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in April
Alorton, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Alorton, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.4 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
Alorton, IL
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Alorton, IL
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Alorton, IL
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Alorton, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Alorton, 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).





