South Fulton, GA Climate & Weather Averages
South Fulton, GA's warmest month is July (avg high 90°F); January is coldest (avg low 36°F).
Daytime highs range from about 54°F in Jan to 90°F in Jul.
Winter (December–February) is mild, with average highs around 56°F and lows near 38°F. Snow is possible.
Spring (March–May) is warm, with average highs around 73°F and lows near 53°F.
Summer (June–August) is hot, with average highs around 88°F and lows near 70°F. It can feel humid.
Autumn (September–November) is warm, with average highs around 74°F and lows near 55°F.
The most comfortable time to visit is typically March to April and October to November, when daytime highs sit near 69°F.
Monthly temperature normals and records (°F)
| Month | Avg high | Avg low | Record high | Record low |
|---|
| January | 54° | 36° | 78° (2022) | -8° (1985) |
|---|
| February | 58° | 39° | 81° (2023) | 6° (1996) |
|---|
| March | 66° | 45° | 89° (1995) | 11° (1980) |
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| April | 73° | 53° | 93° (1986) | 26° (1973) |
|---|
| May | 81° | 61° | 95° (1996) | 37° (1971) |
|---|
| June | 87° | 69° | 106° (2012) | 48° (1972) |
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| July | 90° | 72° | 105° (2012) | 58° (1970) |
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| August | 89° | 71° | 104° (2007) | 55° (1992) |
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| September | 83° | 66° | 99° (2019) | 43° (1983) |
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| October | 74° | 55° | 98° (2019) | 28° (1976) |
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| November | 64° | 44° | 84° (2016) | 14° (1970) |
|---|
| December | 56° | 38° | 79° (1991) | 0° (1983) |
|---|
Warming trend: +0.8°F per decade since 1970.
Source: NOAA GHCN-Daily station ATLANTA HARTSFIELD-JACKSON INT.
