Greenville weather in January

In January, Greenville sees average daytime highs of 52°F and overnight lows near 34°F, with 4.5 in of precipitation across 10 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 52°F through the month. The sky is clear or mostly clear about 41% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Greenville's 5th-clearest and 4th-windiest month. For the whole year in context, see Greenville's year-round climate.

Daytime high
52°
12th warmest
Overnight low
34°
1st coldest
Precipitation
4.5 in
10 wet days
Daylight
9 h 54 min
7:42 AM – 5:36 PM
Cloud cover
54%
5th clearest
Wind
6 mph
4th windiest
Solar energy
2.63 kWh/m²
Travel score
2.8
out of 10

Greenville is county seat of Greenville County, South Carolina, United States.

Density
858/km²
people per km²
Founded
1831

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 52°F through the month.

A typical January day in Greenville reaches about 52°F in the afternoon and slips back to 34°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 64°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)
15235
25235
35235
45235
55235
65235
75234
85234
95234
105234
115234
125234
135134
145134
155133
165133
175133
185133
195133
205133
215133
225133
235133
245233
255233
265233
275233
285233
295233
305333
315333

How January really feels in Greenville

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.

Greenville weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 34°4.51019.92.8
Feb55° / 36°4.09.10.810.73.7
Mar63° / 42°4.810.30.311.75.6
Apr72° / 51°3.98.9012.96.9
May79° / 59°3.39.9013.86.7
Jun86° / 67°3.713014.34.7
Jul89° / 71°3.613.5014.13.9
Aug87° / 70°4.012.5013.34.4
Sep82° / 63°3.68.7012.26.4
Oct72° / 52°3.26.8011.17.4
Nov62° / 41°3.88.3010.25.6
Dec54° / 36°4.59.40.59.73.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54753
64753
74753
84753
94852
105050
115050
125050
135149
145149
155149
165248
175347
185347
195545
205545
215545
225545
235545
245545
255545
265545
275545
285545
295446
305446
315347

Chance of precipitation in January

Any precipitationSnow

Greenville gets around 4.5 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 32% 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
7342
8342
9343
10343
11343
12343
13343
14343
15344
16344
17334
18334
19334
20324
21324
22314
23314
24314
25304
26304
27304
28304
29303
30293
31293

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19541
29541
39541
49541
59541
69541
79541
89541
99541
109541
119541
129541
139541
149631
159631
169631
179631
189631
199721
209721
219721
229820
239820
249910
259910
269910
279910
289910
299820
309820
319820

Wind in January

Winds average 6 mph in January.

Across January, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 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 7:42 AM to 7:36 AM, and sunset from 5:24 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:425:24
29.77:425:24
39.77:425:25
49.77:425:26
59.77:425:27
69.77:435:27
79.87:435:28
89.87:435:29
99.87:435:30
109.87:435:31
119.87:435:31
129.87:435:32
139.87:425:33
149.97:425:34
159.97:425:35
169.97:425:36
179.97:425:37
189.97:415:38
1910.07:415:39
2010.07:415:40
2110.07:405:41
2210.07:405:41
2310.07:405:42
2410.17:395:43
2510.17:395:44
2610.17:385:45
2710.17:385:46
2810.27:375:47
2910.27:375:48
3010.27:365:49
3110.27:365:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.63 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 6.18 kWh/m² in June across the year — January's 2.63 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Is January a good time to visit Greenville?

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

2.8
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 Greenville.

What to pack for Greenville in January

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

In January, Greenville sees daytime highs around 52°F and nights near 34°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Greenville 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 Greenville peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 10UV 9Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Greenville 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 Greenville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1718 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr11Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug16Moderate
Sep12Moderate
Oct9Good
Nov10Good
Dec8Good
Location & terrain

Where is Greenville?

Greenville sits at 34.9°N, 82.4°W, 1,007 ft above sea level, in United States. The nearest listed city is Wade Hampton, 5.0 mi away.

Topography around Greenville

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

Within 2 miles, the terrain around Greenville has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 965 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,434 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,096 ft.

The land around Greenville is covered by trees (57%) and artificial surfaces (36%) within 2 miles, trees (67%) within 10 miles, and trees (82%) within 50 miles.

2 miles
210 ft
10 miles
1,434 ft
50 miles
6,096 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Wade Hampton 5.0 mi · Mauldin 6.8 mi · Taylors 7.5 mi · Greer 11 mi · Simpsonville 11 mi · Easley 12 mi · Spartanburg 27 mi · Clemson 28 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 Greenville (34.8526°, -82.394°, elevation 1,007 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).