Atlanta’s weather can feel confusing if you’re new to the city—or even if you’ve lived here for years. Summers are hot and humid, winters are usually mild with the occasional cold snap, and spring and fall can swing between chilly mornings and warm afternoons.
Understanding the average temperature in Atlanta by month helps you plan everything from what to wear to when to visit, host events, or work outdoors.
Below is a clear look at how temperatures typically change through the year in Atlanta, Georgia.
These ranges reflect typical daytime high and nighttime low temperatures in Atlanta (in °F). Individual days can be warmer or colder, but this gives a reliable overview.
| Month | Avg Low (°F) | Avg High (°F) | Overall Feel |
|---|---|---|---|
| January | 34–37 | 51–54 | Chilly, some cold snaps |
| February | 37–40 | 55–58 | Cool, slowly warming |
| March | 44–47 | 63–67 | Mild, variable |
| April | 50–54 | 72–76 | Pleasant, warm afternoons |
| May | 59–63 | 79–83 | Warm, beginning of humid season |
| June | 67–71 | 86–89 | Hot and humid |
| July | 70–73 | 88–91 | Very hot, peak summer heat |
| August | 70–73 | 87–90 | Hot, humid, frequent storms |
| September | 65–68 | 82–85 | Warm, slowly cooling |
| October | 54–57 | 72–76 | Comfortable, cooler nights |
| November | 44–48 | 62–66 | Cool, more fall-like |
| December | 37–40 | 53–56 | Cool/chilly, occasional cold waves |
All temperatures are approximate and meant for general planning in the Atlanta metro area, including neighborhoods like Midtown, Buckhead, Decatur, and surrounding suburbs.
You’ll usually see cool days and chilly nights, with some milder afternoons. Heavy winter coats aren’t always needed, but a medium-weight jacket, sweater, or layers are useful—especially for evening events downtown, at Atlantic Station, or at holiday lights displays around the city.
What locals notice:
January is typically the coldest month in Atlanta. Most days are just cool to chilly, but cold snaps can bring morning temperatures into the 20s °F.
Snow is uncommon and usually light when it does occur, but freezing rain and black ice sometimes create travel issues, especially on bridges and overpasses along I-285 and I-75/85.
Good to plan for:
February swings between late-winter chill and early-spring mildness. Some afternoons reach the 60s, while nights stay cool.
You may notice warmer stretches that start to bring people back to outdoor patios in neighborhoods like Inman Park and the Westside, but it can still drop to freezing on colder nights.
March is a transition month. You can get:
This is when pollen season typically ramps up, especially around blooming trees along streets, in Piedmont Park, and other green spaces.
What to wear:
April is one of the most pleasant months in Atlanta. Days are usually mild to warm, with cooler nights.
This is prime time for:
You may still see some cooler days and scattered showers, but most afternoons feel comfortable with a light jacket or just long sleeves.
By May, Atlanta warms up considerably. Afternoon temperatures often reach the upper 70s to low 80s, with increasing humidity.
This is the month when:
June marks the beginning of consistently hot and humid weather in Atlanta. It’s common to see:
Short, afternoon thunderstorms are frequent, especially on warm, sticky days. These can move through quickly but may be intense with lightning and heavy rain.
Practical tips:
July is often the hottest month in Atlanta, especially in the urban core where buildings and pavement hold heat.
Expect:
This is a prime time for air conditioning—whether you’re living in an Atlanta apartment, working in office buildings downtown, or staying in a hotel in Buckhead or near Hartsfield-Jackson.
August feels much like July: hot, humid, and stormy. Thunderstorms often pop up in the afternoon and early evening.
You might notice:
If you’re visiting outdoor sites like Stone Mountain Park or the BeltLine, planning activities earlier in the day or closer to sunset can make the temperature more manageable.
September often feels like an extended late summer in Atlanta. It’s still warm and sometimes hot mid-afternoon, but you’ll start noticing:
It’s a popular time for outdoor festivals, walking tours, and sports events, as conditions become more comfortable compared to peak summer.
October is widely viewed as one of Atlanta’s best weather months. Days are usually pleasant, with:
This is great weather for:
November brings cooler air and a more consistent fall feel. You’ll see:
By late November:
Within the city of Atlanta, especially Downtown and Midtown, temperatures can feel a bit warmer than in surrounding suburbs due to:
If you live or stay in tree-lined neighborhoods (for example, parts of Druid Hills, Morningside, or Decatur), summer days may feel slightly less intense thanks to shade.
In late spring, summer, and early fall, humidity significantly affects comfort. The actual temperature might be 88 °F, but high humidity can make it feel several degrees warmer.
This is especially noticeable:
💡 Tip: When checking the forecast for Atlanta, look at both the air temperature and the “feels like” temperature, especially from May through September.
Winter (Dec–Feb):
Medium-weight coat or jacket, sweaters, long pants, closed-toe shoes, and layers for colder snaps.
Spring (Mar–May):
Light jacket or hoodie, layers, long pants and some lighter clothing, rain-ready shoes or umbrella.
Summer (Jun–Aug):
Light, breathable clothing, hat, sunglasses, and comfortable walking shoes. Many indoor spaces use strong air conditioning, so a light layer can still be useful.
Fall (Sep–Nov):
Transition pieces: jeans, light sweaters, a jacket for cooler mornings/evenings, and T-shirts for milder afternoons.
If you live in or are visiting Atlanta, you can monitor current conditions and averages using:
National Weather Service – Atlanta area forecasts
The NWS typically provides detailed local forecasts, temperature trends, and alerts specific to the Atlanta metro.
Local TV and radio weather
Atlanta-based stations commonly give neighborhood-level temperature forecasts, heat advisories, and storm timing.
For historical averages or more detailed climate info, you can also look at long-term climate data for Hartsfield-Jackson Atlanta International Airport, which is a standard reference point for Atlanta’s official temperatures.
Understanding the average temperature by month in Atlanta helps you plan realistically—whether you’re choosing when to visit, preparing for a move, or simply deciding what to wear tomorrow. Expect mild winters, hot and humid summers, and long, comfortable stretches in spring and fall, with local variations shaped by shade, elevation, and how urban your part of the city is.
