Atlanta, GA Climate & Monthly Averages
The climate of Atlanta
Atlanta has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 52°F (11°C) in January to around 88°F (31°C) in July, and the city records roughly 141 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: January - highs near 52°F (11°C)
- Record high: 100°F (38°C) · Record low: 8°F (-14°C) (2015–2024)
- Wettest month: July (17 rainy days) · Sunniest: June (11.2 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 88°F (31°C) and overnight lows stay near 71°F (22°C). The coolest month is January, with typical highs of 52°F (11°C) and lows around 36°F (2°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as 8°F (-14°C).
Rain, sun and snow
July is usually the wettest month. It brings about 7.0 inches (179 mm) of rain over 17 days, while October is the driest. June brings the most sunshine, averaging 11.2 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 52° | 36° | 10 | 5.3 in | 6.7 h/day | 71% |
| February | 58° | 40° | 12 | 5.8 in | 6.6 h/day | 72% |
| March | 65° | 46° | 12 | 4.9 in | 8.1 h/day | 70% |
| April | 71° | 51° | 10 | 4.7 in | 10.1 h/day | 67% |
| May | 80° | 60° | 12 | 4.8 in | 10.8 h/day | 69% |
| June | 85° | 68° | 14 | 4.6 in | 11.2 h/day | 72% |
| July | 88° | 71° | 17 | 7.0 in | 11.2 h/day | 76% |
| August | 87° | 70° | 17 | 5.9 in | 10.8 h/day | 76% |
| September | 82° | 66° | 10 | 5.0 in | 9.9 h/day | 72% |
| October | 73° | 55° | 8 | 3.7 in | 8.8 h/day | 71% |
| November | 63° | 45° | 8 | 3.8 in | 7.5 h/day | 72% |
| December | 56° | 40° | 11 | 5.3 in | 5.9 h/day | 76% |
Atlanta month by month
Atlanta weather in January
January brings highs around 52°F (11°C), lows near 36°F (2°C), about 10 wet days - typically the coldest month of the year in Atlanta.
Atlanta weather in February
February brings highs around 58°F (15°C), lows near 40°F (5°C), about 12 wet days.
Atlanta weather in March
March brings highs around 65°F (18°C), lows near 46°F (8°C), about 12 wet days.
Atlanta weather in April
April brings highs around 71°F (22°C), lows near 51°F (11°C), about 10 wet days.
Atlanta weather in May
May brings highs around 80°F (26°C), lows near 60°F (16°C), about 12 wet days.
Atlanta weather in June
June brings highs around 85°F (30°C), lows near 68°F (20°C), about 14 wet days - typically the sunniest month of the year in Atlanta.
Atlanta weather in July
July brings highs around 88°F (31°C), lows near 71°F (22°C), about 17 wet days - typically the hottest month and the wettest month of the year in Atlanta.
Atlanta weather in August
August brings highs around 87°F (30°C), lows near 70°F (21°C), about 17 wet days.
Atlanta weather in September
September brings highs around 82°F (28°C), lows near 66°F (19°C), about 10 wet days.
Atlanta weather in October
October brings highs around 73°F (23°C), lows near 55°F (13°C), about 8 wet days - typically the driest month of the year in Atlanta.
Atlanta weather in November
November brings highs around 63°F (17°C), lows near 45°F (7°C), about 8 wet days.
Atlanta weather in December
December brings highs around 56°F (13°C), lows near 40°F (5°C), about 11 wet days.
Seasons in Atlanta
Spring (March through May)
Spring in Atlanta brings comfortable warmth, with daytime highs averaging 72°F (22°C) and nights around 52°F (11°C); expect showers on roughly 34 days across the season.
Summer (June through August)
Summer in Atlanta brings hot afternoons, with daytime highs averaging 87°F (30°C) and nights around 70°F (21°C); expect showers on roughly 48 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Atlanta is pleasantly warm, with daytime highs averaging 73°F (23°C) and nights around 55°F (13°C); expect showers on roughly 26 days across the season.
Winter (December through February)
Winter in Atlanta stays on the cool side of mild, with daytime highs averaging 56°F (13°C) and nights around 39°F (4°C); expect showers on roughly 33 days across the season.
Climate questions, answered
What is the average temperature in Atlanta?
Is Atlanta hot in summer?
Is Atlanta cold in winter?
How many rainy days does Atlanta get in a year?
Best time to visit Atlanta
The best time to visit Atlanta is generally March to May and September to November, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 72°F (22°C).
Pack for Atlanta with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 71°F (22°C).
Atlanta temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.