Socastee weather in December

In December, Socastee sees average daytime highs of 59°F and overnight lows near 43°F, with 3.7 in of precipitation across 8.7 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 61°F in the first days to 57°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 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Socastee's 6th-clearest and 5th-windiest month. For the whole year in context, see Socastee's year-round climate.

Daytime high
59°
10th warmest
Overnight low
43°
3rd coldest
Precipitation
3.7 in
8.7 wet days
Daylight
9 h 48 min
7:19 AM – 5:05 PM
Cloud cover
54%
6th clearest
Wind
8 mph
5th windiest
Solar energy
2.47 kWh/m²
Travel score
4.8
out of 10

Socastee is census-designated place in Horry County, South Carolina.

Density
555/km²
people per km²

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 61°F in the first days to 57°F by the end.

A typical December day in Socastee reaches about 59°F in the afternoon and slips back to 43°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 71°F. Set against its neighbours, December runs about 6°F cooler than November and about 3°F warmer than January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16246
26246
36145
46145
56145
66145
76044
86044
96044
106044
116044
125944
135944
145944
155943
165943
175943
185943
195843
205843
215843
225843
235842
245842
255842
265842
275842
285842
295742
305742
315742

How December really feels in Socastee

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Socastee weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 40°3.59.1104.1
Feb59° / 42°3.48.310.74.7
Mar65° / 48°3.89.211.76.1
Apr72° / 56°3.1812.87.1
May78° / 64°3.410.413.76.8
Jun84° / 72°5.015.314.24.8
Jul87° / 75°6.418.9143.8
Aug85° / 74°7.018.713.34.1
Sep82° / 69°6.212.712.25.9
Oct74° / 59°3.77.811.27.3
Nov65° / 49°3.17.410.36.5
Dec59° / 43°3.78.79.84.8

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 (%)
15644
25545
35446
45446
55347
65248
75149
85050
95050
104951
114951
124951
134951
144951
154951
164951
174951
184951
194951
204951
214852
224852
234753
244852
254753
264753
274753
284555
294654
304753
314753

Chance of precipitation in December

Any precipitation

Socastee gets around 3.7 in of rain and snow over 8.7 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 28% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
526
626
726
827
927
1028
1128
1228
1329
1429
1529
1629
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771382
2771382
3781372
4781372
5781372
6801361
7801361
8801361
9801361
10801361
11811351
12821251
13821251
14821251
15821251
16831241
17831241
18841141
19841141
20841132
21841132
22841132
23851032
24851032
25851032
26851032
27841042
28831142
29831142
30831142
31831142

Wind in December

Winds average 8 mph in December.

Across December, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 48 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 7:08 AM to 7:25 AM, and sunset from 5:04 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:085:04
29.97:095:03
39.97:105:03
49.97:105:03
59.97:115:03
69.97:125:03
79.87:135:04
89.87:145:04
99.87:145:04
109.87:155:04
119.87:165:04
129.87:165:04
139.87:175:05
149.87:185:05
159.87:185:05
169.87:195:05
179.87:205:06
189.87:205:06
199.87:215:06
209.87:215:07
219.87:225:07
229.87:225:08
239.87:235:08
249.87:235:09
259.87:235:09
269.87:245:10
279.87:245:10
289.87:255:11
299.87:255:12
309.87:255:12
319.87:255:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.23 kWh/m² in May across the year — December's 2.47 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Socastee

In seasonPeak

None of Socastee's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Socastee sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Socastee?

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

4.8
Sightseeing
7th-best month of the year
0.3
Beach & pool
10th-best month of the year

December is a reasonable time to visit Socastee for sightseeing.

What to pack for Socastee in December

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

In December, Socastee sees daytime highs around 59°F and nights near 43°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Socastee in December

The nearest coast averages about 64°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 8 mi away) is warmest in August at about 82°F and coldest in February near 60°F.

It's comfortable for a long swim from Apr 28 to Nov 16 — about 6.7 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan61Cool
Feb60Cool
Mar61Cool
Apr65Cool
May72Refreshing
Jun79Warm
Jul82Warm
Aug82Warm
Sep80Warm
Oct75Refreshing
Nov68Refreshing
Dec64Cool

UV index in Socastee 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 Socastee peaks around July 13 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 13UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Socastee 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 Socastee is worst in March — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodMar 1719 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb12Good
Mar21Moderate
Apr12Moderate
May11Good
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep9Good
Oct6Good
Nov7Good
Dec6Good
Location & terrain

Where is Socastee?

Socastee sits at 33.7°N, 79.0°W, 16 ft above sea level, in United States. The nearest listed city is Myrtle Beach, 6.2 mi away.

Topography around Socastee

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

Within 2 miles, the terrain around Socastee has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 33 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 125 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 210 ft.

The land around Socastee is covered by trees (56%) and artificial surfaces (20%) within 2 miles, trees (52%) and water (24%) within 10 miles, and trees (58%) and water (27%) within 50 miles.

2 miles
95 ft
10 miles
125 ft
50 miles
210 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Myrtle Beach 6.2 mi · Conway 11 mi · North Myrtle Beach 21 mi · Florence 57 mi · Lumberton 65 mi · Leland 68 mi · Wilmington 71 mi · Goose Creek 77 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 Socastee (33.6835°, -78.9984°, elevation 16 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).