December weather forecast and climate
Atlanta, GA

Beautiful sky and cityscape of Atlanta in Georgia, USA
Beautiful sky and cityscape of Atlanta in Georgia, USA
December kicks of the cold months with cold and wet conditions. It is the second snowiest month with a minimum low of 37.4°F (3°C) and peaks of 51.8°F (11°C). Precipitation, usually in the form of ice storms, is high - settling at 5" (127mm) in 7 to 10 days. Expect temperatures during the night to reach below freezing with average sunshine hours of 5.6 per day.
December is awful, rough, and relatively cold compared to the previous months. However, warm dressing makes it lively for celebrations like Peach Drop and Chick-fil-A-Peach Bowl.

What is the temperature in December in Atlanta?

In December, in Atlanta, Georgia, the average high-temperature is 54°F (12.2°C), and the average low-temperature is 36.5°F (2.5°C).

How much does it rain in Atlanta in December?

In Atlanta, Georgia, during December, the rain falls for 10.5 days and regularly aggregates up to 3.9" (99.1mm) of precipitation.

When does it start to snow in Atlanta?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.4" (10.2mm) of snow.
Average temperature in December - Atlanta, GA
  • Average high temperature in December: 54°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.3°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average humidity in December - Atlanta, GA
  • Average humidity in December: 68.4%

The month with the highest relative humidity is August (74.8%).
The month with the lowest relative humidity is April (61%).

Average rainfall in December - Atlanta, GA
  • Average rainfall in December: 3.9"

The wettest month (with the highest rainfall) is July (5.3").
Driest months (with the lowest rainfall) are April and October (3.4").

Average rainfall days in December - Atlanta, GA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (11.7 days).
The month with the lowest number of rainy days is October (6.9 days).

Average snowfall in December - Atlanta, GA
  • Average snowfall in December: 0.4"

The month with the highest snowfall is January (1.3").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Atlanta, GA
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.8 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December / Average sunshine in December - Atlanta, GA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.3h

The month with most sunshine is June (Average sunshine: 9.5h).
Months with least sunshine are January and December (Average sunshine: 5.3).

Average UV index in December - Atlanta, GA
  • Average UV index in December: 3

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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