Greenwood weather in December

In December, Greenwood sees average daytime highs of 56°F and overnight lows near 38°F, with 4.1 in of precipitation across 9.1 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 59°F in the first days to 54°F by the end. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Greenwood's 8th-clearest and 5th-windiest month. For the whole year in context, see Greenwood's year-round climate.

Daytime high
56°
11th warmest
Overnight low
38°
2nd coldest
Precipitation
4.1 in
9.1 wet days
Daylight
9 h 42 min
7:33 AM – 5:17 PM
Cloud cover
56%
8th clearest
Wind
6 mph
5th windiest
Solar energy
2.34 kWh/m²
Travel score
3.9
out of 10

Greenwood is city in and the county seat of Greenwood County, South Carolina, United States.

Density
553/km²
people per km²
Founded
1823

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 59°F in the first days to 54°F by the end.

A typical December day in Greenwood reaches about 56°F in the afternoon and slips back to 38°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 44°F and 68°F. Set against its neighbours, December runs about 8°F cooler than November and about 2°F warmer than January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15940
25940
35940
45839
55839
65839
75839
85739
95738
105738
115638
125638
135638
145638
155638
165638
175537
185537
195537
205537
215537
225537
235537
245537
255537
265437
275437
285437
295437
305437
315437

How December really feels in Greenwood

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 5 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
5
wind chill below the day's low

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

Greenwood weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan54° / 36°4.19.40.6103.4
Feb58° / 38°3.98.90.410.74.2
Mar65° / 44°4.49.60.211.76.1
Apr74° / 53°3.48.4012.87.1
May81° / 61°3.19.1013.86.5
Jun87° / 69°3.612.9014.24.4
Jul90° / 72°3.713.30143.5
Aug89° / 71°3.712.2013.34.0
Sep83° / 65°3.28.3012.26.0
Oct74° / 54°2.96.7011.17.5
Nov64° / 43°3.27.40.110.26.1
Dec56° / 38°4.19.10.39.83.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45248
55248
65149
75149
85050
95050
104852
114852
124852
134951
144951
154951
164852
174852
184852
194852
204852
214753
224753
234753
244753
254654
264654
274654
284555
294555
304555
314654

Chance of precipitation in December

Any precipitation

Greenwood gets around 4.1 in of rain and snow over 9.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
426
527
627
728
828
929
1029
1129
1230
1330
1431
1531
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2831
2931
3031
3130

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
189731
290730
391630
491630
592620
692620
792620
892620
992620
1092620
1192620
1293610
1393610
1493610
1593610
1693610
1793610
1894510
1994510
2092521
2192521
2292521
2392521
2492521
2592521
2692521
2792521
2892521
2992521
3092521
3192521

Wind in December

Winds average 6 mph in December.

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

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
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 December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:22 AM to 7:39 AM, and sunset from 5:15 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:225:15
29.97:235:15
39.97:245:15
49.87:245:15
59.87:255:15
69.87:265:15
79.87:275:15
89.87:275:15
99.87:285:15
109.87:295:15
119.87:305:15
129.87:305:16
139.77:315:16
149.77:325:16
159.77:325:16
169.77:335:17
179.77:345:17
189.77:345:17
199.77:355:18
209.77:355:18
219.77:365:19
229.77:365:19
239.77:375:20
249.77:375:20
259.77:375:21
269.77:385:21
279.77:385:22
289.77:395:22
299.77:395:23
309.77:395:24
319.77:395:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.34 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.2 kWh/m² in June across the year — December's 2.34 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in December

Is December a good time to visit Greenwood?

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

3.9
Sightseeing
10th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Greenwood.

What to pack for Greenwood in December

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

In December, Greenwood sees daytime highs around 56°F and nights near 38°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Greenwood in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Greenwood peaks around June 21 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 highHighModerateJun 21UV 9Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov4Moderate
Dec3Moderate

Air quality in Greenwood in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Greenwood 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 Greenwood?

Greenwood sits at 34.2°N, 82.2°W, 663 ft above sea level, in United States. The nearest listed city is Anderson, 35 mi away.

Topography around Greenwood

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

Within 2 miles, the terrain around Greenwood has only modest variations in elevation — a maximum elevation change of 174 ft around an average of 630 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 545 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,522 ft.

The land around Greenwood is covered by trees (58%), artificial surfaces (21%) and grassland (20%) within 2 miles, trees (76%) within 10 miles, and trees (80%) within 50 miles.

2 miles
174 ft
10 miles
545 ft
50 miles
1,522 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Anderson 35 mi · Simpsonville 38 mi · Mauldin 41 mi · Evans 46 mi · Martinez 47 mi · Greenville 47 mi · North Augusta 49 mi · Wade Hampton 50 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 Greenwood (34.1954°, -82.1618°, elevation 663 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).