April weather forecastDalzell, IL
April
Weather in April
April is a refreshing spring month in Dalzell, Illinois, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 58.8°F (14.9°C).Temperature
Dalzell in April shows a temperature shift, moving from an average high of a chilly 46.8°F (8.2°C) in March to a moderate 58.8°F (14.9°C). Dalzell, during April, witnesses an average low-temperature of 42.4°F (5.8°C).Humidity
In April, the average relative humidity in Dalzell is 74%.Rainfall
In Dalzell, during April, the rain falls for 16.7 days and regularly aggregates up to 3.78" (96mm) of precipitation. In Dalzell, during the entire year, the rain falls for 151.4 days and collects up to 30.67" (779mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Dalzell. April is the last month it regularly snows. During 1.8 snowfall days, in April, Dalzell aggregates 1.61" (41mm) of snow. In Dalzell, during the entire year, snow falls for 40.5 days and aggregates up to 15.16" (385mm) of snow.Daylight
In Dalzell, Illinois, the average length of the day in April is 13h and 21min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of April, in Dalzell, sunrise is at 5:54 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April in Dalzell is 7.8h.UV index
In April, the average daily maximum UV index in Dalzell is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Dalzell, IL
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in April
Dalzell, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Dalzell, IL
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Dalzell, 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 (72%).
Average rainfall in April
Dalzell, IL
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in April
Dalzell, IL
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in April
Dalzell, IL
- Average snowfall in April: 1.61"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Dalzell, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.1 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
Dalzell, IL
- Average daylight in April: 13h and 24min
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 12min).
- Average sunshine in April: 7h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Dalzell, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in April
Dalzell, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Dalzell, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Dalzell, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





