December weather forecastBuckner, IL
December
Weather in December
The first month of the winter, December, is also a frosty month in Buckner, Illinois, with an average temperature fluctuating between 31.3°F (-0.4°C) and 43.5°F (6.4°C).Temperature
In Buckner, entering December brings a temperature decrement, reducing from November's cool 53.2°F (11.8°C) to a frosty 43.5°F (6.4°C). Buckner reports a consistent average low-temperature of 31.3°F (-0.4°C) throughout December nights.Humidity
In December, the average relative humidity is 77%.Rainfall
In Buckner, in December, it is raining for 7.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Buckner, during the entire year, the rain falls for 122.7 days and collects up to 18.03" (458mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 2.8 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 14.5 snowfall days, and 2.64" (67mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Buckner, Illinois, sunrise is at 6:53 am and sunset at 4:36 pm. On the last day of the month, 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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 36min
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 42min
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).
