December weather forecastBuckley, IL
December
Weather in December
The first month of the winter, December, is also an icy month in Buckley, Illinois, with an average temperature varying between 37.2°F (2.9°C) and 27.1°F (-2.7°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a frosty 48.2°F (9°C) in November to a cold 37.2°F (2.9°C). In December, the recorded average low-temperature is a subzero cold 27.1°F (-2.7°C).Humidity
In December, the average relative humidity is 80%.Rainfall
February and December are months with the least rain when the rain falls for 7.4 days and typically aggregates up to 1.14" (29mm) of rain.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 6.3 days. Throughout December, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 29.9 snowfall days, and 9.09" (231mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:35 pm CST.
Sunshine
In Buckley, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Buckley, IL
- Average high temperature in December: 37.2°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 December: 27.1°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 (19.8°F).
Average pressure in December
Buckley, IL
- Average pressure in December: 30.11"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 December
Buckley, IL
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Buckley, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Buckley, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (2.91").
The driest months (with the least rainfall) are February and December (1.14").
Average rainfall days in December
Buckley, IL
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Buckley, IL
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Buckley, IL
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (10.4 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
Buckley, IL
- Average daylight in December: 9h 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 December: 4h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Buckley, IL
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Buckley, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Buckley, IL
- Average cloud cover in December: 56
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 December
Buckley, IL
- Average visibility in December: 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).





