Climate averages 1991–2020
Atlanta weather
in October.
A warm, moderately wet month: the 6th warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Atlanta: daytime highs average 22.1°C and nights cool to about 12.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 77 mm of rain on roughly 7 days, which makes October a moderately wet month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 11 h 22 min on an average October day.
The nearest other city in this atlas is Sandy Springs (20 km away). In October its highs average 21.9°C, about as warm as Atlanta, with 83 mm of rain.
Among the 498 cities listed in the United States, Atlanta ranks joint 237th of 498 for the warmest October highs and joint 245th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Atlanta is 0.7°C warmer than that mean.
From October to November, average highs fall by 5.7°C to 16.4°C, and monthly rainfall rises from 77 mm to 95 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Atlanta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.8°C1.5°C | 1.5°C | 106 | 10.1 | 10.210 h |
| February | 13.0°C3.1°C | 3.1°C | 111 | 9.7 | 11.011 h |
| March | 17.0°C6.3°C | 6.3°C | 113 | 10.2 | 12.012 h |
| April | 21.5°C10.3°C | 10.3°C | 89 | 9.1 | 13.013 h |
| May | 26.0°C15.2°C | 15.2°C | 77 | 9.7 | 13.914 h |
| June | 29.2°C19.5°C | 19.5°C | 97 | 13.9 | 14.414 h |
| July | 30.7°C21.4°C | 21.4°C | 106 | 15.5 | 14.214 h |
| August | 30.1°C21.1°C | 21.1°C | 96 | 12.4 | 13.413 h |
| September | 27.3°C18.1°C | 18.1°C | 89 | 8.4 | 12.412 h |
| October, selected | 22.1°C12.2°C | 12.2°C | 77 | 6.7 | 11.411 h |
| November | 16.4°C6.4°C | 6.4°C | 95 | 8.0 | 10.410 h |
| December | 12.0°C3.1°C | 3.1°C | 109 | 10.2 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Sandy Springs in OctoberUnited States · 20 kmHigh 21.9°C · Low 12.4°C · 83 mm rain
- Roswell in OctoberUnited States · 31 kmHigh 21.8°C · Low 12.3°C · 86 mm rain
- South Fulton in OctoberUnited States · 32 kmHigh 22.5°C · Low 13.1°C · 72 mm rain
- Johns Creek in OctoberUnited States · 36 kmHigh 22.1°C · Low 12.6°C · 86 mm rain
- Athens, United States in OctoberUnited States · 96 kmHigh 22.7°C · Low 12.8°C · 84 mm rain
- Macon in OctoberUnited States · 123 kmHigh 24.4°C · Low 14.0°C · 72 mm rain
- Warner Robins in OctoberUnited States · 145 kmHigh 24.3°C · Low 14.2°C · 73 mm rain
- Columbus, United States in OctoberUnited States · 154 kmHigh 24.7°C · Low 14.3°C · 75 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Atlanta) is explained once on the Atlanta year overview and on the Sources, method and limits page.