Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Carbon Hill, the average high-temperature in December drops from a chilly 47.3°F (8.5°C) in November to a cold 35.6°F (2°C). In the month of December, the average low-temperature usually rests at a freezing cold 25.5°F (-3.6°C).Humidity
In Carbon Hill, the average relative humidity in December is 81%.Rainfall
In Carbon Hill, in December, it is raining for 8.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Carbon Hill, during the entire year, the rain falls for 160.4 days and collects up to 33.5" (851mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Carbon Hill. In Carbon Hill, during December, snow falls for 8.5 days and regularly aggregates up to 2.44" (62mm) of snow. In Carbon Hill, during the entire year, snow falls for 38.7 days and aggregates up to 15.39" (391mm) 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 7:00 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:34 pm CST.
Sunshine
In Carbon Hill, the average sunshine in December is 4.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Carbon Hill have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, IL
- Average daylight in December: 9h and 2min
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 2min
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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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
Carbon Hill, 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).
Carbon Hill, Illinois, USA
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