Climate averages 1991–2020
Atlanta weather
in May.
A warm, moderately wet month: the 5th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Atlanta: daytime highs average 26.0°C and nights cool to about 15.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 77 mm of rain on roughly 10 days, which makes May a moderately wet month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 53 min on an average May day.
The nearest other city in this atlas is Sandy Springs (20 km away). In May its highs average 25.7°C, about as warm as Atlanta, with 86 mm of rain.
Among the 498 cities listed in the United States, Atlanta ranks joint 158th of 498 for the warmest May highs and joint 204th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Atlanta is 2.2°C warmer than that mean.
From May to June, average highs rise by 3.2°C to 29.2°C, and monthly rainfall rises from 77 mm to 97 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Sandy Springs in MayUnited States · 20 kmHigh 25.7°C · Low 15.4°C · 86 mm rain
- Roswell in MayUnited States · 31 kmHigh 25.5°C · Low 15.2°C · 85 mm rain
- South Fulton in MayUnited States · 32 kmHigh 26.4°C · Low 16.1°C · 72 mm rain
- Johns Creek in MayUnited States · 36 kmHigh 25.8°C · Low 15.5°C · 85 mm rain
- Athens, United States in MayUnited States · 96 kmHigh 26.6°C · Low 15.8°C · 84 mm rain
- Macon in MayUnited States · 123 kmHigh 28.5°C · Low 17.0°C · 64 mm rain
- Warner Robins in MayUnited States · 145 kmHigh 28.4°C · Low 17.0°C · 62 mm rain
- Columbus, United States in MayUnited States · 154 kmHigh 28.5°C · Low 17.0°C · 67 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.