December weather forecastBlack, AL
December
Weather in December
December, the first month of the winter in Black, is still a comfortable month, with an average temperature varying between 46°F (7.8°C) and 61.9°F (16.6°C).Temperature
Black's December weather shows a modest shift in high-temperatures, falling from November's 67.8°F (19.9°C) to a still refreshing 61.9°F (16.6°C). In the month of December, Black records a consistent average low-temperature of 46°F (7.8°C).Humidity
August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In December, the rain falls for 7.3 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Black, during the entire year, the rain falls for 96.8 days and collects up to 7.05" (179mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:23 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 4:51 pm CST.
Sunshine
In Black, the average sunshine in December is 5.5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, an average UV index of 3 transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Black, AL
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Black, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Black, AL
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Black, AL
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are May and October (70%).
Average rainfall in December
Black, AL
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is August (0.98").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Black, AL
- Average rainfall days in December: 7.3 days
The months with the highest number of rainy days are July and August (13.3 days).
The month with the least rainy days is November (4.7 days).
Average daylight in December /
Average sunshine in December
Black, AL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Black, AL
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Black, AL
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Black, AL
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Black, 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).





