December weather forecastBonfield, IL
December
Weather in December
The first month of the winter, December, is also an icy month in Bonfield, Illinois, with an average temperature fluctuating between 26.1°F (-3.3°C) and 36.3°F (2.4°C).Temperature
December indicates a shift in the average high-temperature, from November's chilly 47.5°F (8.6°C) to a wintry 36.3°F (2.4°C). Throughout December, Bonfield registers a consistent average low-temperature of 26.1°F (-3.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Bonfield, in December, it is raining for 7.3 days, with typically 1.14" (29mm) of accumulated precipitation. In Bonfield, during the entire year, the rain falls for 142.1 days and collects up to 22.56" (573mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Bonfield, during December, snow falls for 8.5 days and regularly aggregates up to 1.54" (39mm) of snow. In Bonfield, during the entire year, snow falls for 39 days and aggregates up to 9.02" (229mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:58 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:33 pm CST.
Sunshine
In December, the average sunshine in Bonfield is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Bonfield. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bonfield, IL
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Bonfield, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Bonfield, IL
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Bonfield, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Bonfield, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Bonfield, IL
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Bonfield, IL
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bonfield, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.7 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
Bonfield, IL
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 18min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Bonfield, IL
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Bonfield, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Bonfield, IL
- Average cloud cover in December: 57
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 34).
Average visibility in December
Bonfield, 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).





