Atlanta, GA Climate & Monthly Averages
The climate of Atlanta
Atlanta averages 62°F (17°C) across the year, with 9.0 hours of sunshine a day and 60.9 inches (1548 mm) of precipitation. The spread runs from January, at 52°F (11°C), to July, at 88°F (31°C).
Climate quick facts
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: January - highs near 52°F (11°C)
- Decade extremes (2015-2024): 100°F (38°C) high · 8°F (-14°C) low
- Wettest month: July (17 rainy days) · Sunniest: June (11.2 h sun/day)
- Climate type: humid subtropical
- Annual swing: 20°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 2
- Average humidity: 72%
Temperatures through the year
January is the coolest month, with highs of 52°F (11°C) and lows near 36°F (2°C). July is the warm end of the year, averaging 88°F (31°C) by day and 71°F (22°C) overnight. Precipitation concentrates in July - 7.0 inches (179 mm) on 17 days - and thins out by October.
Rain, sun and snow
Snowfall is rare but not unheard of. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is March through May. June is the brightest month at 11.2 hours of sun a day, against an annual average of 9.0. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum 8°F (-14°C).
How Atlanta compares
- Atlanta sits close to the middle of our dataset on most measures: 62°F (17°C) as an annual average, 60.9 inches (1548 mm) of precipitation and 9.0 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
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)
Through spring, Atlanta brings comfortable warmth: 72°F (22°C) by day, 52°F (11°C) after dark, and rain falls on around 34 of the 90 days.
Summer (June through August)
Through summer, Atlanta is hot: 87°F (30°C) by day, 70°F (21°C) after dark, and rain falls on around 48 of the 90 days. Daylight is generous - around 11.1 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Atlanta brings comfortable warmth: 73°F (23°C) by day, 55°F (13°C) after dark, and expect showers on roughly 26 days across the season.
Winter (December through February)
Through winter, Atlanta stays on the cool side of mild: 56°F (13°C) by day, 39°F (4°C) after dark, and rain falls on around 33 of the 90 days.
Climate questions, answered
Is Atlanta humid?
What is the average temperature in Atlanta?
Is Atlanta hot in summer?
Is Atlanta cold in winter?
Best time to visit Atlanta
March to May and September to November is the sweet spot for Atlanta - warm days, manageable rainfall and plenty of daylight line up. Expect 72°F (22°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in March.
Pack for Atlanta with light clothing for the warm months, a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: July pairs 88°F (31°C) with 71°F (22°C).
Atlanta temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.