Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a fresh 53.2°F (11.8°C) in November to a chilly 43.5°F (6.4°C). An average nighttime temperature of 31.3°F (-0.4°C) is noted in Buckner during the month of December.Humidity
In December, the average relative humidity in Buckner is 77%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Buckner, there are 122.7 rainfall days, and 18.03" (458mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Buckner, during December, snow falls for 2.8 days and regularly aggregates up to 0.63" (16mm) of snow. In Buckner, during the entire year, snow falls for 14.5 days and aggregates up to 2.64" (67mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
Is it cold in Buckner during December?
What is the average humidity in December in Buckner?
How many days does it rain in December in Buckner?
How much does it snow in Buckner in December?
What is the month with the shortest days in Buckner?
What is the average length of the day in December in Buckner?
When are sunrise and sunset in December in Buckner?
How long on average sun shines in December in Buckner?
When is the lowest UV index in Buckner?
What is the UV index intensity in December in Buckner?
Average temperature in December
Buckner, IL
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Buckner, IL
- Average pressure in December: 30.14"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 December
Buckner, IL
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in December
Buckner, IL
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Buckner, IL
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Buckner, IL
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Buckner, IL
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Buckner, IL
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Buckner, IL
- Average daylight in December: 9h and 4min
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 December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Buckner, IL
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Buckner, IL
- Average UV index in December: 2
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, November and December (UV index 2).
Average cloud cover in December
Buckner, IL
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Buckner, IL
- Average visibility in December: 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).
Buckner, Illinois, USA
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