December weather forecastPowder Springs, GA
December
Weather in December
December, the first month of the winter in Powder Springs, is still a cool month, with an average temperature fluctuating between 38.8°F (3.8°C) and 53.8°F (12.1°C).Temperature
December signals a slight drop in average high-temperature, sliding from November's comfortable 61°F (16.1°C) to a cool 53.8°F (12.1°C). Powder Springs observes an average nighttime temperature of 38.8°F (3.8°C) during December.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Powder Springs, Georgia, during December, the rain falls for 13.2 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Powder Springs, during the entire year, the rain falls for 178.7 days and collects up to 41.5" (1054mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Powder Springs, in December, during 0.6 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Powder Springs, Georgia, during the entire year, snow falls for 3.9 days and aggregates up to 2.4" (61mm) of snow.Daylight
The month with the shortest days in Powder Springs is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 5:29 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine in Powder Springs is December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Powder Springs, GA
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Powder Springs, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Powder Springs, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Powder Springs, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Powder Springs, GA
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is August (5.08").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in December
Powder Springs, GA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Powder Springs, GA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Powder Springs, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.2 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
Powder Springs, GA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Powder Springs, GA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in December
Powder Springs, GA
- 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
Powder Springs, GA
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Powder Springs, GA
- 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).





