December weather forecastBraidwood, IL
December
Weather in December
December, the first month of the winter in Braidwood, is also a wintry month, with an average temperature varying between 35.6°F (2°C) and 25.5°F (-3.6°C).Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 47.3°F (8.5°C) in November to an icy 35.6°F (2°C). In Braidwood, in December, the average low-temperature is a subzero cold 25.5°F (-3.6°C).Humidity
In Braidwood, the average relative humidity in December is 81%.Rainfall
In December, in Braidwood, Illinois, the rain falls for 8.7 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Braidwood, there are 160.4 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Braidwood, during December, snow falls for 8.5 days and regularly aggregates up to 2.44" (62mm) of snow. In Braidwood, during the entire year, snow falls for 38.7 days and aggregates up to 15.39" (391mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:33 pm CST.
Sunshine
In December, the average sunshine in Braidwood, Illinois, is 4.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Braidwood, IL
- Average high temperature in December: 35.6°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 (29.7°F).
- Average low temperature in December: 25.5°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 (17.8°F).
Average pressure in December
Braidwood, IL
- Average pressure in December: 30.1"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
Braidwood, IL
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Braidwood, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Braidwood, IL
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are February and November (1.69").
Average rainfall days in December
Braidwood, IL
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Braidwood, IL
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Braidwood, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (10.6 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
Braidwood, 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, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Braidwood, IL
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
Braidwood, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Braidwood, 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
Braidwood, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are February, July and August (5mi).
