December weather forecastOld Brownfield, IL
December
Weather in December
The first month of the winter, December, is also a frosty month in Old Brownfield, Illinois, with an average temperature fluctuating between 45.5°F (7.5°C) and 33.3°F (0.7°C).Temperature
Old Brownfield in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 54.9°F (12.7°C) to a chilly 45.5°F (7.5°C). Throughout December, Old Brownfield witnesses a consistent average low-temperature of 33.3°F (0.7°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Old Brownfield, in December, it is raining for 11.5 days, with typically 3.03" (77mm) of accumulated precipitation. In Old Brownfield, during the entire year, the rain falls for 160.7 days and collects up to 36.73" (933mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 2 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, there are 12.9 snowfall days, and 4.33" (110mm) 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 the month, sunrise is at 6:50 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Old Brownfield, IL
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Old Brownfield, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Old Brownfield, IL
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Old Brownfield, IL
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Old Brownfield, IL
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Old Brownfield, IL
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in December
Old Brownfield, IL
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Old Brownfield, IL
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Old Brownfield, IL
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Old Brownfield, IL
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Old Brownfield, 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 and December (UV index 2).
Average cloud cover in December
Old Brownfield, IL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in December
Old Brownfield, 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).
