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
The onset of December brings a small shift in high-temperatures, falling from an enjoyable 61.7°F (16.5°C) in November to a cool 54.5°F (12.5°C). Coal City experiences an average low-temperature of 39.4°F (4.1°C) in month of December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Coal City, during December, the rain falls for 14.1 days and regularly aggregates up to 4.02" (102mm) of precipitation. Throughout the year, there are 184.1 rainfall days, and 41.97" (1066mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 4.1 snowfall days, and 2.05" (52mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:47 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
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 most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days in Coal City?
How many hours of daylight does Coal City have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Coal City have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Coal City, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Coal City, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Coal City, AL
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Coal City, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Coal City, AL
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in December
Coal City, AL
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Coal City, AL
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Coal City, AL
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.6 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
Coal City, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Coal City, AL
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in December
Coal City, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Coal City, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Coal City, AL
- 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).
Coal City, Alabama, USA
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