December weather forecastBone Gap, IL
December
Weather in December
The first month of the winter, December, is still a chilly month in Bone Gap, Illinois, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 43.2°F (6.2°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a cool 52.9°F (11.6°C) in November to a frosty 43.2°F (6.2°C). Bone Gap, during the month of December, experiences an average low-temperature of 31.3°F (-0.4°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Bone Gap, in December, it is raining for 6.6 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Bone Gap, there are 109.3 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Bone Gap, in December, snow falls for 2 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, in Bone Gap, there are 12.4 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:50 am and sunset at 4:31 pm. On the last day of December, in Bone Gap, sunrise is at 7:09 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine in Bone Gap is 4.6h.UV index
The months with the lowest UV index in Bone Gap are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bone Gap, IL
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Bone Gap, 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 (29.94"Hg).
Average wind speed in December
Bone Gap, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Bone Gap, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Bone Gap, IL
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is April (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Bone Gap, IL
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Bone Gap, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bone Gap, IL
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.8 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
Bone Gap, IL
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Bone Gap, IL
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is October (23.2 days).
The months with the least sunshine days are May and June (14.3 days).
Average UV index in December
Bone Gap, 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
Bone Gap, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Bone Gap, 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).
