Tangjin weather in January

In January, Tangjin sees average daytime highs of 2°C and overnight lows near -4°C, with 21 mm of precipitation across 4.2 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 31% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Tangjin's 9th-clearest and 3rd-windiest month. For the whole year in context, see Tangjin's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
21 mm
4.2 wet days
Daylight
9 h 42 min
7:51 AM – 5:35 PM
Cloud cover
59%
9th clearest
Wind
13 km/h
3rd windiest
Solar energy
2.59 kWh/m²
Travel score
0.0
out of 10

Tangjin is city in Chungcheongnam-do, South Korea.

Density
49/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 2°C through the month.

A typical January day in Tangjin reaches about 2°C in the afternoon and slips back to -4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 6°C. Set against its neighbours, January runs about 3°C cooler than December and about 2°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-3
23-3
33-3
43-3
53-3
63-3
73-3
83-3
93-3
102-3
112-3
122-3
132-3
142-4
152-4
162-4
172-4
182-4
192-4
202-4
212-4
222-4
232-4
242-4
252-4
262-4
272-4
282-4
292-4
302-4
312-4

How January really feels in Tangjin

Once humidity and wind are folded in, January 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
wind chill below the day's low

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

Tangjin weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°214.22.89.80.0
Feb / -2°2641.510.60.1
Mar / 385.80.911.72.0
Apr15° / 666.9012.95.1
May21° / 14°827.1013.96.9
Jun24° / 19°1167.5014.57.1
Jul27° / 23°24814.7014.35.5
Aug28° / 24°22013.9013.45.4
Sep25° / 19°1247.4012.37.2
Oct19° / 13°565.40117.0
Nov12° / 487.20.4103.5
Dec / -1°245.72.69.50.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34852
44852
54753
64654
74654
84654
94654
104654
114654
124555
134555
144555
154555
164555
174555
184555
194654
204753
214753
224753
234852
244951
254951
265050
275149
285248
295248
305347
315446

Chance of precipitation in January

Any precipitationSnow

Tangjin gets around 21 mm of rain and snow over 4.2 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 13% and peaks near 15% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11510
21510
31410
41410
5149
6139
7139
8139
9139
10139
11138
12138
13138
14138
15149
16149
17149
18149
19149
20159
21159
22149
23149
24149
25139
26139
27138
28128
29128
30127
31117

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:51 AM to 7:44 AM, and sunset from 5:22 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:515:22
29.57:515:23
39.57:525:23
49.57:525:24
59.67:525:25
69.67:525:26
79.67:525:27
89.67:525:27
99.67:525:28
109.67:525:29
119.67:525:30
129.77:525:31
139.77:515:32
149.77:515:33
159.77:515:34
169.77:515:35
179.87:515:36
189.87:505:37
199.87:505:38
209.87:505:39
219.87:495:40
229.97:495:41
239.97:485:42
249.97:485:43
259.97:475:44
2610.07:475:45
2710.07:465:46
2810.07:465:47
2910.07:455:48
3010.17:445:49
3110.17:445:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.59 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 5.88 kWh/m² in May across the year — January's 2.59 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Tangjin

In seasonPeak

In January, Tangjin sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Tangjin sits in the Pacific typhoon belt; the season peaks July–October.

Tangjin'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 January a good time to visit Tangjin?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Tangjin.

What to pack for Tangjin in January

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

In January, Tangjin sees daytime highs around 2°C and nights near -4°C. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

Sea temperature near Tangjin in January

The nearest coast averages about 6°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in August at about 23°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 12 to Oct 14 — about 3.1 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun16Cool
Jul21Refreshing
Aug23Refreshing
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec10Bracing

UV index in Tangjin in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Tangjin peaks around July 24 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 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 highHighModerateJul 24UV 8Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug8Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Tangjin in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Tangjin is worst in March — around 92 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 46 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1391 µg/m³Jul 2246 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb85Unhealthy
Mar92Unhealthy
Apr75Unhealthy
May62Unhealthy
Jun57Unhealthy
Jul46Poor
Aug47Poor
Sep61Unhealthy
Oct74Unhealthy
Nov79Unhealthy
Dec73Unhealthy
Location & terrain

Where is Tangjin?

Tangjin sits at 36.9°N, 126.6°E, 20 m above sea level, in South Korea. The nearest listed city is Taesal-li, 18 km away.

AsanHwaseong-siPyeongtaekSeonghwan

Topography around Tangjin

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tangjin.

Within 3 km, the terrain around Tangjin has only modest variations in elevation — a maximum elevation change of 129 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 446 m; within 80 km, large variations in elevation — a maximum elevation change of 800 m.

The land around Tangjin is covered by trees (40%), cropland (30%) and artificial surfaces (21%) within 3 km, cropland (39%) and trees (37%) within 16 km, and water (40%) and trees (31%) within 80 km.

3 km
129 m
16 km
446 m
80 km
800 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Taesal-li 18 km · Seosan 20 km · Yesan 31 km · Hongseong 33 km · Asan 36 km · Hwaseong-si 39 km · Pyeongtaek 42 km · Seonghwan 45 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 Tangjin (36.8944°, 126.6297°, elevation 20 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).