Atlanta Weather in December: What to Expect and How to Prepare

December in Atlanta, Georgia usually feels more like a long, chilly fall than a true winter. You’ll see cool mornings, mild afternoons, and only an occasional bitter-cold day. If you live here, are visiting for the holidays, or are planning outdoor plans, it helps to know how Atlanta’s December weather usually behaves—and how unpredictable it can be.

Typical December Weather in Atlanta

December marks the start of meteorological winter, but Atlanta’s climate stays relatively moderate compared to much of the country.

Typical patterns include:

• Cool mornings, often in the upper 30s to low 40s (°F)
• Mild afternoons, generally in the 50s and low 60s (°F)
• Occasional cold snaps, with nighttime lows dropping below freezing
• On-and-off rain, rather than constant drizzle or heavy snow

Snow is uncommon in December. When it does happen, it’s usually light and melts quickly. Ice, however, can be more of a concern when cold air lines up with moisture.

Quick Weather Snapshot for Atlanta in December

Use this as a simple reference if you’re packing, planning a visit, or scheduling events.

These are general patterns; any given December can be warmer, colder, or wetter than usual.

How December Feels Day-to-Day in Atlanta

Mornings and Evenings

Early and late in the day, Atlanta can feel raw and chilly, especially when it’s damp:

• You’ll likely want a medium to heavy jacket.
• A hat and gloves help on windy days.
• In low-lying or shaded areas, you may see frost on cars and grass.

Afternoons

On many days, the afternoon can feel pleasantly cool:

• A light to medium jacket often works.
• On milder days, some people are comfortable in long sleeves and a vest.
• Sunny afternoons can feel warmer than the thermometer suggests, especially out of the wind.

Temperature Swings

December in Atlanta is known for big swings:

• One day might be near 70°F, especially earlier in the month.
• A few days later, a cold front can bring highs in the 40s and a hard freeze overnight.

If you’re visiting, pack layers instead of relying on one very heavy coat.

Rain, Storms, and Occasional Winter Weather

Rain

Atlanta tends to see periodic rain in December:

• Often light to moderate showers, but heavier rain is possible.
• Full-day washouts are less common, but they do happen.
• Streets can get slick, especially after dry stretches when oil builds up on roads.

A compact umbrella or water-resistant jacket is useful if you’ll be walking in Downtown, Midtown, or around places like Piedmont Park or the BeltLine.

Thunderstorms

Severe thunderstorms become less frequent in December compared to spring, but they’re still possible:

• Strong cold fronts can bring gusty winds and brief heavy rain.
• Cloudy, gray days are common before and after fronts move through.

Snow and Ice

Snow in December is not typical, but Atlanta occasionally experiences:

• Light snow, often mixed with rain, that doesn’t accumulate much.
• Freezing rain or sleet, which can cause slick roads and bridges.

If freezing rain is forecast, pay special attention to travel around I-285, I-75, I-85, and I-20, along with bridges and overpasses, which can ice up first.

What to Wear in Atlanta in December

If you live here, you likely already have what you need. If you’re visiting, planning your clothing can make a big difference in comfort.

For Locals

Rotate a few reliable pieces:

• Light to medium jacket for most days
• Heavier coat for cold snaps or nights out
• Layering pieces: sweaters, hoodies, long-sleeve shirts
• Comfortable closed-toe shoes; waterproof or water-resistant if you walk a lot
• Rain jacket or umbrella for wet stretches

Adjust each morning based on the day’s forecast—not just the calendar.

For Visitors

Pack for variety:

• 1 heavier jacket or coat (for colder nights)
• 1–2 lighter jackets or fleeces
• Long-sleeve shirts and a sweater or two
• Comfortable pants or jeans; consider one slightly dressier option for evenings out in Midtown, Buckhead, or Inman Park
• Closed-toe shoes or boots; add a water-resistant pair if you plan to walk a lot outdoors
• Hat, gloves, and a scarf if you get cold easily or are coming from a warmer climate

Tip: 🎒 Layers are more useful than a single bulky coat—especially if you’ll be moving between chilly streets, heated MARTA trains, and warm restaurants.

Outdoor Activities in December Weather

Atlanta’s relatively mild December allows for plenty of outdoor plans, with a bit of flexibility.

Enjoying Parks and Trails

Popular spots like Piedmont Park, the Atlanta BeltLine, and Stone Mountain Park are often pleasant for walking or jogging in December:

• Cooler air can be ideal for exercise.
• Dress in layers you can remove as you warm up.
• Check for wet or muddy conditions after rain, especially on unpaved trails.

Holiday Events and Attractions

Many Atlanta holiday events are at least partly outdoors:

• Atlantic Station markets and ice-skating rinks
• Botanical garden light shows
• Outdoor areas near Centennial Olympic Park or The Battery Atlanta

For these:

• Bring a warm coat, especially for evenings.
• Keep gloves and a hat handy; standing still in cool air feels colder than walking.
• Plan for wind in open areas and elevated spots.

Driving and Commuting in December

Regular Commutes

Most December days in Atlanta are commute-friendly from a weather perspective:

• Roads are generally clear.
• Rain and early sunset are the bigger issues than snow.

Plan for slower traffic during:

• Rainy mornings or evenings
• Days when there is a big temperature drop, causing drivers to be more cautious

Winter Weather Concerns

When there is a risk of snow or ice:

• Bridges and overpasses like those on the Downtown Connector (I-75/85) can freeze first.
• Some schools and offices may delay opening or close if conditions are hazardous.
• Local agencies may apply salt or brine to main roads ahead of expected ice.

If you must drive during a possible ice event:

• Allow extra travel time.
• Use gentle braking and acceleration.
• Avoid sudden lane changes, especially on ramps and flyovers.

Air Travel and Atlanta’s December Weather

Atlanta is home to Hartsfield–Jackson Atlanta International Airport (ATL), one of the busiest airports in the world. December weather can affect travel, though major disruptions from snow or ice are less common than in colder cities.

What to Expect

• Rain and low clouds can sometimes cause delays or longer taxi times.
• Rare ice or snow can temporarily slow operations while runways and aircraft are treated.
• Fog during cool, calm mornings is occasionally an issue.

If you’re flying:

• Arrive with extra time during active weather (rain, storms, or potential ice).
• Dress in layers; airports and planes can feel warm compared to the chilly air outside.
• Keep an eye on your airline’s delay or rebooking options if significant weather is forecast.

Staying Informed: Local Weather Resources

For up-to-date December forecasts in Atlanta, you can use:

• Local TV weather from Atlanta stations that give neighborhood-level coverage
• Weather apps for hour-by-hour temperature, rain, and wind
• National Weather Service – Peachtree City Office, which issues weather alerts for the Atlanta area

The National Weather Service office that serves Atlanta is located at:

• National Weather Service – Atlanta/Peachtree City
  4 Falcon Drive
  Peachtree City, GA 30269
  Phone (public line): typically listed as a main office number for recorded information and inquiries

This office issues watches, warnings, and advisories for severe weather, freezing rain, and winter storms that could affect Atlanta.

Practical Tips for December in Atlanta

Here are straightforward ways to stay comfortable and prepared:

• Check the forecast daily. Temperatures and conditions can swing noticeably week to week.
• Plan for short daylight. Schedule outdoor errands and activities earlier in the day when possible.
• Keep rain gear handy. A small umbrella or waterproof jacket is useful for pop-up showers.
• Dress in layers. Start the morning warmer, then adjust as temperatures rise in the afternoon.
• Watch for ice alerts. Pay attention to local advisories if a cold rain is expected to change over to freezing conditions.

Understanding Atlanta weather in December comes down to expecting generally cool, sometimes rainy days with a few warm surprises and the occasional brief cold blast. With flexible clothing and an eye on the forecast, you can comfortably enjoy the city throughout the holiday season.