Anderson weather in December

In December, Anderson sees average daytime highs of 54°F and overnight lows near 37°F, with 4.6 in of precipitation across 9.9 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 57°F in the first days to 53°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 Anderson's 7th-clearest and 5th-windiest month. For the whole year in context, see Anderson's year-round climate.

Daytime high
54°
11th warmest
Overnight low
37°
3rd coldest
Precipitation
4.6 in
9.9 wet days
Daylight
9 h 42 min
7:36 AM – 5:18 PM
Cloud cover
56%
7th clearest
Wind
6 mph
5th windiest
Solar energy
2.32 kWh/m²
Travel score
3.4
out of 10

Anderson is city in South Carolina, United States.

Density
723/km²
people per km²
Founded
1826

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 57°F in the first days to 53°F by the end.

A typical December day in Anderson reaches about 54°F in the afternoon and slips back to 37°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 43°F and 66°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)
15840
25839
35739
45739
55639
65639
75638
85638
95538
105538
115538
125538
135537
145437
155437
165437
175437
185437
195337
205337
215337
225337
235337
245336
255336
265336
275336
285336
295336
305336
315336

How December really feels in Anderson

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 13 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
13
wind chill below the day's low

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

Anderson weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 35°4.710.11102.9
Feb56° / 37°4.29.40.510.73.8
Mar64° / 44°4.910.20.211.75.7
Apr72° / 52°3.98.8012.86.9
May79° / 61°3.49.4013.86.7
Jun86° / 69°3.912.9014.34.7
Jul89° / 72°3.813.6014.13.8
Aug87° / 71°4.112.4013.34.4
Sep82° / 65°3.68.6012.26.3
Oct72° / 53°3.37011.17.4
Nov62° / 43°3.98.4010.25.7
Dec54° / 37°4.69.90.49.73.4

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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45248
55248
65149
75149
85149
95050
105050
114951
124951
134951
144852
154852
164852
174852
184852
194852
204951
214852
224753
234753
244753
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in December

Any precipitationSnow

Anderson gets around 4.6 in of rain and snow over 9.9 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 32% and peaks near 35% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1291
2291
3291
4291
5291
6291
7301
8301
9301
10301
11301
12311
13311
14321
15321
16331
17331
18341
19341
20351
21351
22351
23351
24352
25352
26352
27342
28342
29342
30332
31332

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19352
29352
39352
49352
59352
69352
79451
89451
99451
109451
119451
129451
139451
149451
159451
169451
179541
189541
199541
209541
219541
229541
239541
249541
259541
269541
279541
289541
299541
309541
319541

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 7:25 AM to 7:42 AM, and sunset from 5:16 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:255:16
29.87:255:16
39.87:265:16
49.87:275:16
59.87:285:16
69.87:295:16
79.87:295:16
89.87:305:16
99.87:315:16
109.77:325:16
119.77:325:17
129.77:335:17
139.77:345:17
149.77:345:17
159.77:355:18
169.77:365:18
179.77:365:18
189.77:375:19
199.77:375:19
209.77:385:19
219.77:385:20
229.77:395:20
239.77:395:21
249.77:405:21
259.77:405:22
269.77:415:22
279.77:415:23
289.77:415:23
299.77:425:24
309.77:425:25
319.77:425:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.32 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 6.17 kWh/m² in June across the year — December's 2.32 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.3Moderate
112.3Moderate
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 Anderson?

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

3.4
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Anderson.

What to pack for Anderson in December

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

In December, Anderson sees daytime highs around 54°F and nights near 37°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Anderson in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Anderson peaks around June 22 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 22UV 9Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Anderson 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 Anderson 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 Anderson?

Anderson sits at 34.5°N, 82.7°W, 787 ft above sea level, in United States. The nearest listed city is Clemson, 16 mi away.

Topography around Anderson

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

Within 2 miles, the terrain around Anderson has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 761 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 390 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,603 ft.

The land around Anderson is covered by trees (63%) and artificial surfaces (20%) within 2 miles, trees (62%) and grassland (28%) within 10 miles, and trees (80%) within 50 miles.

2 miles
200 ft
10 miles
390 ft
50 miles
4,603 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Clemson 16 mi · Easley 23 mi · Mauldin 27 mi · Simpsonville 28 mi · Greenville 28 mi · Wade Hampton 33 mi · Greenwood 35 mi · Taylors 35 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 Anderson (34.5034°, -82.6501°, elevation 787 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).