Climate averages 1991–2020
South Fulton 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 South Fulton: daytime highs average 26.4°C and nights cool to about 16.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 72 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 Atlanta (32 km away). In May its highs average 26.0°C, about as warm as South Fulton, with 77 mm of rain.
Among the 498 cities listed in the United States, South Fulton ranks joint 143rd of 498 for the warmest May highs and 190th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; South Fulton is 2.6°C warmer than that mean.
From May to June, average highs rise by 3.2°C to 29.5°C, and monthly rainfall rises from 72 mm to 93 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
South Fulton climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.2°C2.4°C | 2.4°C | 106 | 10.0 | 10.210 h |
| February | 13.4°C4.0°C | 4.0°C | 113 | 9.7 | 11.011 h |
| March | 17.4°C7.3°C | 7.3°C | 112 | 10.2 | 12.012 h |
| April | 21.9°C11.4°C | 11.4°C | 85 | 8.7 | 13.013 h |
| May, selected | 26.4°C16.1°C | 16.1°C | 72 | 9.5 | 13.914 h |
| June | 29.5°C20.1°C | 20.1°C | 93 | 14.2 | 14.314 h |
| July | 30.9°C22.0°C | 22.0°C | 109 | 15.5 | 14.114 h |
| August | 30.4°C21.6°C | 21.6°C | 94 | 13.1 | 13.413 h |
| September | 27.6°C18.7°C | 18.7°C | 88 | 8.6 | 12.412 h |
| October | 22.5°C13.1°C | 13.1°C | 72 | 6.8 | 11.411 h |
| November | 16.7°C7.3°C | 7.3°C | 96 | 8.0 | 10.510 h |
| December | 12.4°C4.0°C | 4.0°C | 107 | 10.3 | 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
- Atlanta in MayUnited States · 32 kmHigh 26.0°C · Low 15.2°C · 77 mm rain
- Sandy Springs in MayUnited States · 46 kmHigh 25.7°C · Low 15.4°C · 86 mm rain
- Roswell in MayUnited States · 56 kmHigh 25.5°C · Low 15.2°C · 85 mm rain
- Johns Creek in MayUnited States · 65 kmHigh 25.8°C · Low 15.5°C · 85 mm rain
- Athens, United States in MayUnited States · 127 kmHigh 26.6°C · Low 15.8°C · 84 mm rain
- Macon in MayUnited States · 128 kmHigh 28.5°C · Low 17.0°C · 64 mm rain
- Columbus, United States in MayUnited States · 129 kmHigh 28.5°C · Low 17.0°C · 67 mm rain
- Warner Robins in MayUnited States · 146 kmHigh 28.4°C · Low 17.0°C · 62 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 South Fulton) is explained once on the South Fulton year overview and on the Sources, method and limits page.