Atlanta weather in December
Atlanta in December averages 8°C (47°F) and 116 mm of rain.
Of the twelve months in Atlanta, December is the second coldest and the sixth wettest.
- Average temp
- 8°C (47°F)
3–13°C · 38–56°F
- Rainfall
- 116 mm
Showers likely
- Sunshine
- —
- Wind
- 14 km/h
What is Atlanta like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Atlanta in December?
A light rain jacket
About 116 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 3°C (38°F).
December compared with November and January
December in Atlanta is 3.8°C cooler than November and 14 mm wetter than it, which averages 12°C (54°F).
December in Atlanta is 1.4°C warmer than January and about as wet as it, which averages 7°C (44°F).
Daylight in Atlanta in December
On 15 December the sun is up for 9 hours 55 minutes in Atlanta, rising about 07:35 and setting about 17:30 local time.
No month in Atlanta has less daylight than December.
Where to stay in Atlanta
Dates are a starting point for December.
Travel guides for Atlanta
What to read before you book.
Atlanta weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 7°C / 44°F | 116 mm |
| February | 9°C / 48°F | 116 mm |
| March | 13°C / 55°F | 119 mm |
| April | 17°C / 63°F | 99 mm |
| May | 22°C / 71°F | 90 mm |
| June | 25°C / 78°F | 117 mm |
| July | 27°C / 81°F | 121 mm |
| August | 27°C / 80°F | 109 mm |
| September | 24°C / 74°F | 97 mm |
| October | 18°C / 64°F | 80 mm |
| November | 12°C / 54°F | 102 mm |
| December | 8°C / 47°F | 116 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Atlanta in December
December climate averages for Atlanta, 1991–2020.
Atlanta averages 8°C (47°F) in December, ranging from about 3°C (38°F) at night to 13°C (56°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 116 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
Yes. December averages 8°C (47°F) against 7°C (44°F) in January — 1.4°C warmer.
December is 3.8°C cooler than November, and 14 mm wetter.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 55 minutes of daylight in mid-December, the least of any month in Atlanta.
On 15 December, sunrise is about 07:35 and sunset about 17:30 local time. Both shift across the month.
