South Fulton weather in January

In January, South Fulton sees average daytime highs of 53°F and overnight lows near 35°F, with 4.2 in of precipitation across 10 wet days and about 10 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 53°F through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is South Fulton's 7th-clearest and 1st-windiest month. For the whole year in context, see South Fulton's year-round climate.

Daytime high
53°
12th warmest
Overnight low
35°
1st coldest
Precipitation
4.2 in
10 wet days
Daylight
10 hours
7:48 AM – 5:48 PM
Cloud cover
58%
7th clearest
Wind
7 mph
1st windiest
Solar energy
2.65 kWh/m²
Travel score
3.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 53°F through the month.

A typical January day in South Fulton reaches about 53°F in the afternoon and slips back to 35°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 66°F. Set against its neighbours, January runs about 2°F cooler than December and about 4°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
15437
25337
35336
45336
55336
65336
75336
85336
95336
105336
115336
125335
135335
145335
155335
165335
175335
185335
195335
205335
215335
225335
235335
245335
255435
265435
275435
285435
295435
305435
315435

How January really feels in South Fulton

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

South Fulton weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan53° / 35°4.2100.6103.2
Feb58° / 38°4.49.70.310.84.1
Mar65° / 45°4.410.20.111.75.9
Apr73° / 52°3.48.7012.87.0
May80° / 61°2.99.5013.76.5
Jun86° / 68°3.714.2014.24.5
Jul88° / 71°4.315.50143.8
Aug87° / 70°3.713.1013.24.2
Sep83° / 64°3.58.6012.26.2
Oct73° / 53°2.86.8011.27.4
Nov63° / 43°3.88010.36.0
Dec56° / 38°4.210.30.29.83.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74159
84258
94357
104357
114357
124357
134555
144555
154555
164654
174753
184753
194951
204951
214951
224951
235050
245050
255050
265050
274951
284951
294951
304951
314852

Chance of precipitation in January

Any precipitationSnow

South Fulton gets around 4.2 in of rain and snow over 10 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 34% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1332
2332
3332
4332
5332
6332
7332
8332
9332
10332
11332
12332
13342
14342
15342
16332
17332
18332
19332
20332
21322
22322
23322
24322
25322
26322
27312
28312
29311
30311
31311

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
189821
289821
389821
489821
590820
690820
790820
890820
992710
1092710
1192710
1293610
1393610
1493610
1593610
1693610
1793610
1894510
1994510
2095500
2195500
2295500
2396400
2496400
2596400
2696400
2796400
2896400
2996400
3095410
3195410

Wind in January

Winds average 7 mph in January, the windiest month of the year.

Across January, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 48 min at the start of January to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:48 AM to 7:42 AM, and sunset from 5:36 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:485:36
29.87:485:37
39.87:485:37
49.87:485:38
59.87:485:39
69.97:485:40
79.97:495:40
89.97:495:41
99.97:495:42
109.97:495:43
119.97:495:44
129.97:495:44
139.97:485:45
1410.07:485:46
1510.07:485:47
1610.07:485:48
1710.07:485:49
1810.07:485:50
1910.17:475:51
2010.17:475:52
2110.17:475:52
2210.17:465:53
2310.17:465:54
2410.27:465:55
2510.27:455:56
2610.27:455:57
2710.27:445:58
2810.37:445:59
2910.37:436:00
3010.37:436:01
3110.37:426:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.65 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.11 kWh/m² in May across the year — January's 2.65 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Is January a good time to visit South Fulton?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in South Fulton.

What to pack for South Fulton in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, South Fulton sees daytime highs around 53°F and nights near 35°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in South Fulton in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in South Fulton peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in South Fulton in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in South Fulton is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1620 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is South Fulton?

South Fulton sits at 33.6°N, 84.7°W, 797 ft above sea level, in United States. The nearest listed city is Union City, 7.5 mi away.

Topography around South Fulton

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of South Fulton.

Within 2 miles, the terrain around South Fulton has only modest variations in elevation — a maximum elevation change of 285 ft around an average of 922 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 594 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,791 ft.

The land around South Fulton is covered by trees (89%) within 2 miles, trees (80%) within 10 miles, and trees (82%) within 50 miles.

2 miles
285 ft
10 miles
594 ft
50 miles
1,791 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Union City 7.5 mi · Douglasville 12 mi · Lithia Springs 14 mi · Peachtree City 14 mi · East Point 15 mi · Riverdale 15 mi · Fayetteville 16 mi · Newnan 16 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for South Fulton (33.5926°, -84.6729°, elevation 797 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).