April weather forecastDonnellson, IL
April
Weather in April
April in Donnellson, Illinois, is a comfortable spring month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 46.6°F (8.1°C).Temperature
Donnellson's transition into April is marked by a temperature shift, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 63.7°F (17.6°C). Throughout the April nights, Donnellson encounters a low-temperature of 46.6°F (8.1°C).Humidity
The average relative humidity in April in Donnellson is 76%.Rainfall
In Donnellson, in April, it is raining for 14.8 days, with typically 2.72" (69mm) of accumulated precipitation. In Donnellson, during the entire year, the rain falls for 138.5 days and collects up to 24.33" (618mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Donnellson, Illinois, the average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:22 pm. On the last day of April, in Donnellson, sunrise is at 5:59 am and sunset at 7:50 pm CDT.
Sunshine
In April, the average sunshine in Donnellson is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Donnellson, IL
- Average high temperature in April: 63.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 46.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in April
Donnellson, 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
Donnellson, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Donnellson, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Donnellson, IL
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in April
Donnellson, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Donnellson, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Donnellson, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.2 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
Donnellson, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Donnellson, IL
- Average sunshine days in April: 14 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Donnellson, 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
Donnellson, IL
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in April
Donnellson, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
