April weather forecastAtlanta, IL
April
Weather in April
April is an enjoyable spring month in Atlanta, Illinois, with an average temperature fluctuating between 45.1°F (7.3°C) and 61.3°F (16.3°C).Temperature
The transition to April introduces an increase in the average high-temperature, shifting from a chilly 49.5°F (9.7°C) in March to an enjoyable 61.3°F (16.3°C). Atlanta temperatures generally rest at a low of 45.1°F (7.3°C) during the April nights.Humidity
In Atlanta, the average relative humidity in April is 74%.Rainfall
In Atlanta, in April, during 14 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Atlanta, during the entire year, the rain falls for 135 days and collects up to 17.72" (450mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Atlanta aggregates 0.28" (7mm) of snow. In Atlanta, during the entire year, snow falls for 27.1 days and aggregates up to 7.2" (183mm) of snow.Daylight
The average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:39 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In Atlanta, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in April translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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
Atlanta, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Atlanta, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Atlanta, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Atlanta, 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 (70%).
Average rainfall in April
Atlanta, IL
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in April
Atlanta, IL
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in April
Atlanta, IL
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Atlanta, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.5 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
Atlanta, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Atlanta, IL
- Average sunshine days in April: 14 days
The months with the most sunshine days are November and December (20 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in April
Atlanta, 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
Atlanta, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Atlanta, 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).
