T’aebaek weather in December

In December, T’aebaek sees average daytime highs of 3°C and overnight lows near -6°C, with 29 mm of precipitation across 4.7 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 5°C in the first days to 1°C by the end. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is T’aebaek's 1st-clearest and 2nd-windiest month. For the whole year in context, see T’aebaek's year-round climate.

Daytime high
10th warmest
Overnight low
-6°
3rd coldest
Precipitation
29 mm
4.7 wet days
Daylight
9 h 30 min
7:37 AM – 5:04 PM
Cloud cover
39%
1st clearest
Wind
11 km/h
2nd windiest
Solar energy
2.49 kWh/m²
Travel score
0.0
out of 10

T’aebaek is city in Gangwon Province, South Korea.

Density
161/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 5°C in the first days to 1°C by the end.

A typical December day in T’aebaek reaches about 3°C in the afternoon and slips back to -6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 8°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
15-3
25-3
35-4
45-4
54-4
64-4
74-5
84-5
93-5
103-5
113-6
123-6
133-6
143-6
153-6
162-6
172-6
182-7
192-7
202-7
212-7
222-7
232-7
242-7
252-7
262-7
272-8
281-8
291-8
301-8
311-8

How December really feels in T’aebaek

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
22 feel bitter (≤ -10°C)

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

T’aebaek weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -9°375.35.19.70.0
Feb / -7°385.24.510.60.0
Mar / -2°678.9611.71.3
Apr15° / 868.91.612.94.5
May20° / 10°908.70146.4
Jun23° / 15°12411.1014.56.4
Jul25° / 19°21214.9014.35.8
Aug25° / 19°21716.1013.45.7
Sep21° / 13°17512012.36.0
Oct16° / 7170115.6
Nov / 506.91.4102.3
Dec / -6°294.73.39.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36337
46337
56436
66436
76436
86535
96535
106535
116535
126634
136733
146733
156733
166733
176832
186832
196931
206931
217030
227030
237030
247129
257129
267129
277129
287129
297129
307129
317129

Chance of precipitation in December

Any precipitationSnow

T’aebaek gets around 29 mm of rain and snow over 4.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 16% and peaks near 21% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
12110
22111
32111
42111
52011
62011
71911
81811
91811
101711
111711
121611
131610
141510
151510
161510
171410
181410
19149
201410
211310
221310
231310
241310
251311
261311
271311
281311
291312
301312
311312

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 30 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 7:25 AM to 7:43 AM, and sunset from 5:03 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:255:03
29.67:265:03
39.67:275:02
49.67:285:02
59.67:285:02
69.67:295:02
79.57:305:02
89.57:315:02
99.57:325:02
109.57:325:03
119.57:335:03
129.57:345:03
139.57:355:03
149.57:355:03
159.57:365:04
169.57:375:04
179.57:375:04
189.47:385:05
199.47:385:05
209.47:395:05
219.47:395:06
229.47:405:06
239.47:405:07
249.47:415:07
259.47:415:08
269.47:415:08
279.57:425:09
289.57:425:10
299.57:425:10
309.57:435:11
319.57:435:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.49 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.93 kWh/m² in May across the year — December's 2.49 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for T’aebaek

In seasonPeak

In December, T’aebaek sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

T’aebaek sits in the Pacific typhoon belt; the season peaks July–October.

T’aebaek's rainy season runs June–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit T’aebaek?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in T’aebaek.

What to pack for T’aebaek in December

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

In December, T’aebaek sees daytime highs around 3°C and nights near -6°C. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

Sea temperature near T’aebaek in December

The nearest coast averages about 14°C 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 35 km away) is warmest in August at about 24°C and coldest in February near 11°C.

It's comfortable for a long swim from Jul 1 to Oct 18 — about 3.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr13Bracing
May15Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct20Refreshing
Nov17Cool
Dec14Bracing

UV index in T’aebaek 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 T’aebaek peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 14UV 9Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May7Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in T’aebaek 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 T’aebaek is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2239 µg/m³Sep 1817 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb30Moderate
Mar40Poor
Apr38Poor
May35Moderate
Jun30Moderate
Jul24Moderate
Aug21Moderate
Sep17Moderate
Oct20Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is T’aebaek?

T’aebaek sits at 37.2°N, 129.0°E, 691 m above sea level, in South Korea. The nearest listed city is Santyoku, 34 km away.

Donghae CityNeietsuYeongjuPyeongchangGangneungAndongYecheon

Topography around T’aebaek

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of T’aebaek.

Within 3 km, the terrain around T’aebaek has large variations in elevation — a maximum elevation change of 618 m around an average of 814 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,437 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,550 m.

The land around T’aebaek is covered by trees (80%) within 3 km, trees (91%) within 16 km, and trees (68%) and water (24%) within 80 km.

3 km
618 m
16 km
1,437 m
80 km
1,550 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Santyoku 34 km · Donghae City 42 km · Neietsu 46 km · Yeongju 51 km · Pyeongchang 57 km · Gangneung 65 km · Andong 72 km · Yecheon 75 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

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 T’aebaek (37.1759°, 128.9889°, elevation 691 m), 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).