Atlanta
Georgia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Atlanta, GA

Beautiful sky and cityscape of Atlanta in Georgia
Beautiful sky and cityscape of Atlanta in Georgia
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, the average high-temperature is 54°F (12.2°C), and the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in December in Atlanta?

In Atlanta, the average relative humidity in December is 68.4%.

How much does it rain in Atlanta in December?

In Atlanta, Georgia, in December, it is raining for 10.5 days, with typically 3.9" (99.1mm) of accumulated precipitation.

When does it start snowing 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.

What is the month with the shortest days in Atlanta?

The month with the shortest days is December, with an average of 9.9h of daylight.

How many hours of daylight does Atlanta have in December?

The average length of the day in December is 9.9h.

What is the month with the least sunshine in Atlanta?

Months with the least sunshine in Atlanta are January and December, with an average of 5.3h of sunshine.

How many hours of sunshine does Atlanta have in December?

In December, the average sunshine in Atlanta, Georgia, is 5.3h.

What is the month with the lowest UV index in Atlanta?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Atlanta, Georgia.

What is the UV index intensity in December in Atlanta?

In Atlanta, Georgia, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Atlanta, GA
  • Average high temperature in December: 12.2°C

The warmest month (with the highest average high temperature) is July (31.7°C).
The month with the lowest average high temperature is January (11.3°C).

  • Average low temperature in December: 2.5°C

The month with the highest average low temperature is July (21.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

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: 99.1mm

The wettest month (with the highest rainfall) is July (133.9mm).
The driest month (with the lowest rainfall) is April (85.3mm).

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: 10.2mm

The month with the highest snowfall is January (33mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

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).