Atlanta Weather in December
December in Atlanta brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 3°C (37°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Atlanta in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 144 mm (5.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Atlanta in December
Atlanta in December gets highs of 14°C (57°F) during the day and drops to 3°C (37°F) at night. The month of December belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Atlanta in December
The month experiences a moderate amount of sunlight, with 164 hours of sunshine. This provides a nice balance between sunshine and clouds.If you prefer enjoying temperate temperatures and rain-free days, May, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Atlanta's climate page.
Atlanta Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Atlanta typically stay consistent throughout December, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 4°C (39°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Atlanta in December
Browse day-by-day weather records for Atlanta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Atlanta historical weather extremes in December
Based on weather observations in Atlanta between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 1, 1991, with a maximum of 26°C (79°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Atlanta in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Atlanta in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Atlanta's climate page.
Temperature Rainfall Sunshine Humidity
See the full Atlanta climate overview or explore weather in the United States of America.