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Climate in Atlanta, Georgia: Monthly Weather Averages

By the AverageClimate Editorial Team · Last updated: October 2026

Atlanta sits at 1,010 feet above sea level, and its climate, as recorded at the Atlanta Hartsfield International Airport, GA station, runs to a yearly mean of 63.6°F. The warmest month is July, averaging 80.9°F with typical highs of 90.1°F; the coldest is January, averaging 44.8°F with lows around 35.6°F. Across a normal year the city receives 50.4 in of precipitation and 2.2 in of snow. The full month-by-month picture below comes from the official 1991–2020 U.S. Climate Normals — the 30-year averages the National Weather Service itself uses — so it describes the Atlanta climate you should actually plan around, whether you are timing a visit, weighing a move, or just settling an argument about which month is best.

Atlanta climate month by month

The table below is the complete 1991–2020 normals profile for Atlanta: average high, average low and mean temperature, rainfall, and snowfall for every month. Read down the Mean column to feel the year's rhythm — Atlanta's temperature range runs from 44.8°F in January to 80.9°F in July.

How to read the colors:below freezingcoldcoolmildwarmhot. Bands are colored by each cell's own temperature, so a whole year reads at a glance.

Atlanta through the seasons

Winter in Atlanta averages highs of 54.0–58.2°F and lows of 35.6–38.9°F, a seasonal mean of 46.9°F. The three months together bring 13.7 in of precipitation — about 27% of the city's yearly total — with January the wettest of the three at 4.59 in. Snowfall averages 1.8 in over the season, most of it in January (1.0 in). Winters here are cool rather than harsh: chilly mornings, mild afternoons, and only occasional brushes with freezing weather.

Spring in Atlanta averages highs of 65.9–81.1°F and lows of 45.3–61.3°F, a seasonal mean of 63.3°F. The three months together bring 12.1 in of precipitation — about 24% of the city's yearly total — with March the wettest of the three at 4.68 in. Snowfall averages 0.4 in over the season, most of it in March (0.4 in). The season is a transition: the average temperature climbs 15.6°F from March to May, and by late spring Atlanta is firmly into warm territory, with May rainfall of 3.56 in to plan around.

Summer in Atlanta averages highs of 87.1–90.1°F and lows of 68.6–71.8°F, a seasonal mean of 79.7°F. The three months together bring 13.6 in of precipitation — about 27% of the city's yearly total — with July the wettest of the three at 4.75 in. Summers are hot in the classic sense — most afternoons reach the 90s, and shade, water, and air conditioning shape the daily routine.

Fall in Atlanta averages highs of 64.1–83.9°F and lows of 44.2–65.9°F, a seasonal mean of 64.6°F. The three months together bring 11.1 in of precipitation — about 22% of the city's yearly total — with November the wettest of the three at 3.98 in. Temperatures ease off through the season — the monthly mean drops 20.7°F from September to November — and fall is when Atlanta's weather turns crisp and dry, while nights stay mostly frost-free into December.

Best and worst months to visit Atlanta

Ranking every month by its normals — mild mean temperatures score best, heavy rain and snow count against — the most comfortable months to visit Atlanta are:

MaySeptemberOctober

May leads the list: average highs of 81.1°F, lows of 61.3°F, and 3.56 in of rain, with snow a non-factor at 0.0 in. The other picks, September and October, offer the same balance in Atlanta's shoulder seasons. At the other end, January is usually the month to avoid — the least comfortable mix of temperature and rainfall, with a mean temperature of 44.8°F and 4.59 in of precipitation plus 1.0 in of snow.

How Atlanta compares

Across the 114 cities in our dataset, the typical city averages 57.8°F for the year and 35.7 in of precipitation. Atlanta runs 5.8°F warmer than that typical city and wetter by 14.8 in a year, ranking #32 of 114 for annual warmth and #19 of 114 for precipitation (wettest first). Its year-round temperature swing — warmest month minus coldest — is 36.1°F, which puts it in the moderate, clearly seasonal camp.

Within Georgia, Atlanta is the coolest of the cities we track. See the Georgia climate overview for the full state comparison, including Savannah (warmest, 67.5°F yearly mean) and Atlanta (coolest, 63.6°F).

Planning notes for Atlanta

For anyone relocating: average lows never drop below freezing in any month, so hard freezes are events, not seasons; 1 month averages highs of 90°F or more, making air conditioning a core cost of summer life; 6 months of the year average between 55°F and 80°F, the band most people find comfortable without heating or cooling. Those four facts, all straight from the normals table above, shape everything from a Atlanta wardrobe to its utility bills.

Atlanta climate FAQ

Source: 1991–2020 U.S. Climate Normals, NOAA National Centers for Environmental Information (NCEI) — ncei.noaa.gov. Station: Atlanta Hartsfield International Airport, GA (USW00013874), elevation 1,010 ft. Figures checked October 2026.