April weather forecastDu Bois, IL
April
Weather in April
April is a comfortable spring month in Du Bois, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 47.8°F (8.8°C).Temperature
The commencement of April sees a shift in the average high-temperature, moving from a cool 54.1°F (12.3°C) in March to a comfortable 65.1°F (18.4°C). Du Bois observes an average low-temperature of 47.8°F (8.8°C) during April nights.Humidity
In April, the average relative humidity is 78%.Rainfall
The month with the most rainfall is April, when the rain falls for 16 days and typically aggregates up to 4.45" (113mm) of precipitation.Snowfall
Months with snowfall are January through April, September, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Du Bois aggregates 0.04" (1mm) of snow. In Du Bois, during the entire year, snow falls for 23.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
The average length of the day in April is 13h and 13min.On the first day of April, sunrise is at 6:40 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:47 pm CDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In April, a regular UV index of 4 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Du Bois, IL
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Du Bois, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Du Bois, IL
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
Du Bois, IL
- Average humidity in April: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Du Bois, IL
- Average rainfall in April: 4.45"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in April
Du Bois, IL
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall in April
Du Bois, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in April
Du Bois, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Du Bois, 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 36min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Du Bois, IL
- Average sunshine days in April: 11.3 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in April
Du Bois, IL
- Average UV index in April: 4
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
Du Bois, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Du Bois, 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).
