South Fulton, Georgia climate: NOAA's gridded normals for the city, beside the nearest station records
NOAA's gridded 1991-2020 normals put South Fulton's center at January lows of 33°F and July highs of 90°F, a yearly mean of 61.8°F and 52.0 inches of precipitation. No NOAA station keeps a record under the city's name. The nearest station record, Atlanta (8 miles E, 1,010 ft), has January lows of 36°F and July highs of 90°F.
112,003 people (Census Bureau 2024). Distances and directions are from the city's center.
- Jan 53° 33°
- Feb 58° 36°
- Mar 66° 42°
- Apr 74° 49°
- May 81° 58°
- Jun 87° 66°
- Jul 90° 70°
- Aug 89° 69°
- Sep 83° 62°
- Oct 74° 51°
- Nov 64° 41°
- Dec 56° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
The months above are NOAA's gridded normals at South Fulton's center.
What is each month like in South Fulton?
NOAA's grid estimates the normals every 5 km or so from the stations around each point, terrain included. It smooths between stations, so night lows at the heart of a large city can run warmer than the grid shows: at five big-city airports we compared, the grid's highs were within about 1°F of the station and its lows 1-6°F cooler. The nearest record's high and low are beside each month.
| Month | High | Low | Mean | Precip. | Atlanta high | Atlanta low |
|---|---|---|---|---|---|---|
| January | 53°F | 33°F | 43.2°F | 4.82 | 54°F | 36°F |
| February | 58°F | 36°F | 46.9°F | 4.77 | 58°F | 39°F |
| March | 66°F | 42°F | 53.9°F | 4.90 | 66°F | 45°F |
| April | 74°F | 49°F | 61.1°F | 4.03 | 74°F | 53°F |
| May | 81°F | 58°F | 69.3°F | 3.77 | 81°F | 61°F |
| June | 87°F | 66°F | 76.1°F | 4.40 | 87°F | 69°F |
| July | 90°F | 70°F | 79.5°F | 5.01 | 90°F | 72°F |
| August | 89°F | 69°F | 78.6°F | 4.26 | 89°F | 71°F |
| September | 83°F | 62°F | 72.8°F | 3.77 | 84°F | 66°F |
| October | 74°F | 51°F | 62.4°F | 3.41 | 74°F | 55°F |
| November | 64°F | 41°F | 52.1°F | 4.11 | 64°F | 44°F |
| December | 56°F | 36°F | 45.7°F | 4.70 | 56°F | 38°F |
In metric: a yearly mean of 16.6°C, January lows of 1°C, July highs of 32°C and 1,320 mm of precipitation a year.
Source: NOAA NCEI U.S. Monthly Gridded Climate Normals 1991-2020 (nClimGrid, accession 0245564); NOAA NCEI 1991-2020 station normals. The grid cell holding the city's Census center point.
What do the station records around South Fulton say?
Each row is a NOAA station's own 1991-2020 normals, with the snow and frost dates the grid does not give. A record downhill or nearer the coast than the city can run warmer, one uphill cooler: compare the elevations.
| Record | Where | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| AtlantaAtlanta Hartsfield International Airport | 8 mi E | 1,010 ft | 63.6°F | 36°F | 90°F | 50.4 | 2 | March 15 |
| Jonesboro | 15 mi SE | 930 ft | 61.7°F | 32°F | 90°F | 52.9 | 1 | March 25 |
| Mableton1 mi N | 15 mi N | 980 ft | 60.1°F | 32°F | 84°F | 56.2 | 1 | March 27 |
Source: NOAA NCEI 1991-2020 U.S. Climate Normals; place center and population: Census Bureau 2024. Last frost: the median last spring date of 32°F.
How much snow, how late a frost, what zone and how much sun in South Fulton?
NOAA's grid gives no snow, frost dates or records, so these come from the nearest station record, Atlanta (8 miles E, 1,010 ft). It gets 2 inches of snow in a normal year. The last spring frost (32°F) comes after March 15 in half of years and the first autumn frost before November 20. Its record high is 106°F (2012) and its record low −9°F (1899), on the National Weather Service's long record for the area (kept since 1878).
The USDA's 2023 Plant Hardiness Zone Map puts South Fulton in zones 8a to 8b across its 6 ZIP code areas.
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area (4.5 kWh per square metre a day, NASA POWER 2001-2020); July is the sunniest month (80%) and February the cloudiest (69%).
Atlanta's page has its months, frost probabilities, records by month and recent years. NOAA's grid has monthly figures only, so there are no day-by-day month pages for South Fulton; the nearest record's month pages have them.
Source: NOAA NCEI 1991-2020 normals, station USW00013874; records: ACIS; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; sunshine: NASA POWER.
How does the climate vary across South Fulton, ZIP code by ZIP code?
6 ZIP code areas lie wholly or partly in South Fulton. On NOAA's grid 30296 is the warmest (62.0°F a year) and 30349 the coolest (61.7°F), so the city is nearly uniform. Each row also names the nearest station record and its frost dates.
| ZIP code | Zone | Year | Jan low | Jul high | Precip. | Nearest record | Last frost | First frost |
|---|---|---|---|---|---|---|---|---|
| 30213 | 8a | 61.8°F | 33°F | 90°F | 52.1 | Atlanta (11 mi) | March 15 | November 20 |
| 30291 | 8a | 61.9°F | 33°F | 89°F | 51.8 | Atlanta (7 mi) | March 15 | November 20 |
| 30296 | 8b | 62.0°F | 33°F | 90°F | 51.6 | Atlanta (5 mi) | March 15 | November 20 |
| 30331 | 8a | 61.9°F | 33°F | 90°F | 51.7 | Atlanta (8 mi) | March 15 | November 20 |
| 30336 | 8a | 61.9°F | 33°F | 90°F | 51.8 | Mableton (8 mi) | March 27 | November 7 |
| 30349 | 8a | 61.7°F | 33°F | 89°F | 52.1 | Atlanta (5 mi) | March 15 | November 20 |
Source: Census Bureau 2020 ZCTA-to-place relationship file and ZCTA centers; NOAA NCEI gridded and station normals, 1991-2020. A ZIP area counts when at least a tenth of its land (and 0.5 km²) is in the city; its figures are the grid cell at its center; frost dates are the nearest record's medians of 32°F.