April weather forecastSibley, IL
April
Weather in April
April is a refreshing spring month in Sibley, Illinois, with an average temperature fluctuating between 44.2°F (6.8°C) and 60.8°F (16°C).Temperature
April indicates a change in the average high-temperature, moving up from a chilly 48.4°F (9.1°C) in March to an enjoyable 60.8°F (16°C). In April, in Sibley, the average low-temperature is a chilly 44.2°F (6.8°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Sibley, during April, the rain falls for 13.6 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 126.2 rainfall days, and 14.96" (380mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Sibley aggregates 0.28" (7mm) of snow. Throughout the year, there are 29.4 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
In Sibley, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:48 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
In Sibley, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sibley, IL
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in April
Sibley, 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
Sibley, IL
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Sibley, 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 (71%).
Average rainfall in April
Sibley, IL
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").
Average rainfall days in April
Sibley, IL
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Sibley, IL
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Sibley, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.3 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
Sibley, 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 18min).
- Average sunshine in April: 7h and 42min
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 48min).
Average sunshine days in April
Sibley, IL
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Sibley, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Sibley, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in April
Sibley, 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).
