Greer weather in December

In December, Greer sees average daytime highs of 53°F and overnight lows near 35°F, with 4.3 in of precipitation across 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 56°F in the first days to 51°F by the end. The sky is clear or mostly clear about 39% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Greer's 6th-clearest and 6th-windiest month. For the whole year in context, see Greer's year-round climate.

Daytime high
53°
11th warmest
Overnight low
35°
2nd coldest
Precipitation
4.3 in
9 wet days
Daylight
9 h 42 min
7:35 AM – 5:15 PM
Cloud cover
55%
6th clearest
Wind
5 mph
6th windiest
Solar energy
2.31 kWh/m²
Travel score
3.1
out of 10

Greer is city in Greenville and Spartanburg counties in South Carolina, United States.

Density
476/km²
people per km²
Founded
1876

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 56°F in the first days to 51°F by the end.

A typical December day in Greer 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 41°F and 65°F. Set against its neighbours, December runs about 8°F cooler than November and about 2°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
15637
25637
35636
45536
55536
65536
75536
85435
95435
105435
115335
125335
135335
145335
155335
165334
175234
185234
195234
205234
215234
225234
235234
245234
255134
265134
275134
285134
295134
305134
315134

How December really feels in Greer

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 29 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
29
wind chill below the day's low

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

Greer 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
Jan51° / 32°4.49.91.19.92.5
Feb55° / 35°3.98.91.210.73.5
Mar62° / 41°4.6100.311.75.5
Apr71° / 49°3.88.7012.96.8
May78° / 58°3.29.9013.86.7
Jun85° / 66°3.612.3014.34.9
Jul88° / 70°3.614014.14.0
Aug86° / 69°4.012.6013.34.6
Sep81° / 62°3.68.4012.26.6
Oct71° / 50°3.36.8011.17.3
Nov61° / 40°3.97.9010.25.5
Dec53° / 35°4.390.69.73.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65248
75149
85149
95149
105050
115050
124951
135050
145050
154951
164951
174951
184852
194852
204852
214951
224852
234852
244852
254852
264852
274852
284852
294852
304852
314951

Chance of precipitation in December

Any precipitationSnow

Greer gets around 4.3 in of rain and snow over 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 30% and peaks near 32% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1281
2281
3281
4282
5282
6282
7282
8282
9282
10282
11282
12282
13282
14292
15292
16302
17302
18302
19312
20312
21312
22312
23312
24322
25322
26322
27322
28322
29322
30312
31312

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 95% 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
49442
59541
69541
79541
89541
99541
109541
119541
129541
139631
149631
159631
169631
179631
189631
199631
209721
219721
229721
239532
249532
259532
269532
279532
289532
299532
309631
319631

Wind in December

Winds average 5 mph in December.

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

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 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 6 minutes over December. Sunrise moves from 7:24 AM to 7:42 AM, and sunset from 5:13 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:245:13
29.87:255:13
39.87:265:13
49.87:275:13
59.87:275:13
69.87:285:13
79.77:295:13
89.77:305:13
99.77:305:13
109.77:315:14
119.77:325:14
129.77:335:14
139.77:335:14
149.77:345:14
159.77:355:15
169.77:355:15
179.77:365:15
189.77:365:16
199.77:375:16
209.77:375:16
219.67:385:17
229.67:385:17
239.67:395:18
249.77:395:18
259.77:405:19
269.77:405:19
279.77:405:20
289.77:415:21
299.77:415:21
309.77:415:22
319.77:425:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.31 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.15 kWh/m² in June across the year — December's 2.31 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.3Moderate
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 Greer?

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

3.1
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 Greer.

What to pack for Greer in December

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

In December, Greer sees daytime highs around 53°F and nights near 35°F. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Greer 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 Greer 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 Greer 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 Greer is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr11Good
May13Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov9Good
Dec7Good
Location & terrain

Where is Greer?

Greer sits at 34.9°N, 82.2°W, 1,024 ft above sea level, in United States. The nearest listed city is Taylors, 4.3 mi away.

Topography around Greer

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

Within 2 miles, the terrain around Greer has only modest variations in elevation — a maximum elevation change of 436 ft around an average of 942 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,178 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,955 ft.

The land around Greer is covered by trees (56%) and artificial surfaces (23%) within 2 miles, trees (62%) and grassland (25%) within 10 miles, and trees (83%) within 50 miles.

2 miles
436 ft
10 miles
1,178 ft
50 miles
5,955 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Taylors 4.3 mi · Wade Hampton 6.2 mi · Greenville 11 mi · Mauldin 12 mi · Simpsonville 14 mi · Spartanburg 17 mi · Easley 22 mi · Anderson 39 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 Greer (34.9387°, -82.2271°, elevation 1,024 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).