Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April brings a change in Sibley's weather, with average high-temperatures moving from March's chilly 48.4°F (9.1°C) to a comfortable 60.8°F (16°C). During the month of April, Sibley experiences a steady low-temperature average of 44.2°F (6.8°C).Humidity
In Sibley, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 13.6 days. Throughout April, 1.57" (40mm) of precipitation is accumulated. In Sibley, during the entire year, the rain falls for 126.2 days and collects up to 14.96" (380mm) of precipitation.Snowfall
Months with snowfall in Sibley are January through April, October through December. 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 April, the average length of the day in Sibley is 13h and 19min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of April, in Sibley, Illinois, sunrise is at 5:52 am and sunset at 7:48 pm CDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
The average daily maximum UV index in April in Sibley is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Sibley in April?
What is the average humidity in April in Sibley?
How many days does it rain in April in Sibley?
What is the last month it snows in Sibley?
What is the average length of the day in April in Sibley?
What time are sunrise and sunset in April in Sibley?
How long on average sun shines in April in Sibley?
What is the UV index reading in April in Sibley?
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 2min
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 4min
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).
Sibley, Illinois, USA
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