Climate averages 1991–2020
Atlanta weather
in March.
A mild, wet month: the 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Atlanta: daytime highs average 17.0°C and nights cool to about 6.3°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 113 mm of rain on roughly 10 days, which makes March a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.
The nearest other city in this atlas is Sandy Springs (20 km away). In March its highs average 16.6°C, about as warm as Atlanta, with 120 mm of rain.
Among the 498 cities listed in the United States, Atlanta ranks joint 224th of 498 for the warmest March highs and joint 438th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Atlanta is 2.0°C warmer than that mean.
From March to April, average highs rise by 4.6°C to 21.5°C, and monthly rainfall falls from 113 mm to 89 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Sandy Springs in MarchUnited States · 20 kmHigh 16.6°C · Low 6.4°C · 120 mm rain
- Roswell in MarchUnited States · 31 kmHigh 16.6°C · Low 6.3°C · 120 mm rain
- South Fulton in MarchUnited States · 32 kmHigh 17.4°C · Low 7.3°C · 112 mm rain
- Johns Creek in MarchUnited States · 36 kmHigh 16.8°C · Low 6.5°C · 120 mm rain
- Athens, United States in MarchUnited States · 96 kmHigh 17.5°C · Low 6.8°C · 114 mm rain
- Macon in MarchUnited States · 123 kmHigh 19.5°C · Low 8.3°C · 100 mm rain
- Warner Robins in MarchUnited States · 145 kmHigh 19.6°C · Low 8.4°C · 101 mm rain
- Columbus, United States in MarchUnited States · 154 kmHigh 19.8°C · Low 8.4°C · 107 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.