Seogwipo weather in January

In January, Seogwipo sees average daytime highs of 8°C and overnight lows near 4°C, with 56 mm of precipitation across 8.3 wet days and about 10 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 12% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is Seogwipo's 12th-clearest and 1st-windiest month. For the whole year in context, see Seogwipo's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
56 mm
8.3 wet days
Daylight
10 hours
7:42 AM – 5:44 PM
Cloud cover
75%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
2.17 kWh/m²
Travel score
1.2
out of 10

Seogwipo is city in Jeju-do, South Korea.

Density
205/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 8°C through the month.

A typical January day in Seogwipo reaches about 8°C in the afternoon and slips back to 4°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 12°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

10°15°151015202531
Avg high (°C)Avg low (°C)
195
295
394
484
584
684
784
884
984
1084
1184
1284
1384
1484
1584
1684
1784
1884
1974
2074
2174
2273
2373
2473
2573
2673
2773
2873
2973
3073
3173

How January really feels in Seogwipo

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 16 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
16
wind chill below the day's low

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

Seogwipo weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 568.32.3101.2
Feb / 607.91.510.81.7
Mar12° / 999.80.311.73.1
Apr16° / 11°1219012.85.1
May20° / 15°1329.3013.76.4
Jun24° / 19°22913014.26.1
Jul27° / 23°22715.90145.3
Aug28° / 25°22517.1013.24.8
Sep25° / 21°18312.4012.26.4
Oct21° / 16°866.5011.27.1
Nov16° / 11°657.8010.35.1
Dec10° / 558.11.29.82.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33070
42971
52971
62872
72773
82575
92575
102476
112377
122377
132278
142179
152179
162179
172179
182179
192080
202179
212179
222179
232377
242278
252278
262278
272476
282476
292575
302575
312674

Chance of precipitation in January

Any precipitationSnow

Seogwipo gets around 56 mm of rain and snow over 8.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 28% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1246
2246
3246
4256
5256
6256
7256
8266
9266
10277
11277
12277
13287
14287
15288
16288
17288
18288
19288
20288
21288
22288
23289
24289
25289
26279
27279
28279
29279
30279
31279

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 17 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 48 min at the start of January to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:42 AM to 7:37 AM, and sunset from 5:32 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:425:32
29.87:425:33
39.97:425:33
49.97:425:34
59.97:435:35
69.97:435:36
79.97:435:36
89.97:435:37
99.97:435:38
109.97:435:39
119.97:435:40
1210.07:435:40
1310.07:435:41
1410.07:435:42
1510.07:425:43
1610.07:425:44
1710.07:425:45
1810.17:425:46
1910.17:425:46
2010.17:415:47
2110.17:415:48
2210.17:415:49
2310.27:405:50
2410.27:405:51
2510.27:405:52
2610.27:395:53
2710.37:395:54
2810.37:385:55
2910.37:385:56
3010.37:375:57
3110.37:375:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.17 kWh/m².

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 5.69 kWh/m² in May across the year — January's 2.17 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Hazard calendar for Seogwipo

In seasonPeak

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

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

Seogwipo's rainy season runs April–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 Seogwipo?

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

1.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Seogwipo.

What to pack for Seogwipo in January

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

In January, Seogwipo sees daytime highs around 8°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Seogwipo in January

The nearest coast averages about 17°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 15 km away) is warmest in August at about 27°C and coldest in March near 15°C.

It's comfortable for a long swim from Jun 6 to Dec 2 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov22Refreshing
Dec19Cool

UV index in Seogwipo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Seogwipo peaks around July 17 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 highModerateJul 17UV 9Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May9Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Seogwipo 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 Seogwipo is worst in March — around 28 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMar 2128 µg/m³Jul 2312 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb23Moderate
Mar28Moderate
Apr27Moderate
May22Moderate
Jun17Moderate
Jul12Good
Aug12Moderate
Sep13Moderate
Oct13Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Seogwipo?

Seogwipo sits at 33.3°N, 126.6°E, 69 m above sea level, in South Korea. The nearest listed city is Ara-dong, 24 km away.

Haenam

Topography around Seogwipo

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

Within 3 km, the terrain around Seogwipo has significant variations in elevation — a maximum elevation change of 287 m around an average of 80 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,921 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,905 m.

The land around Seogwipo is covered by trees (47%), artificial surfaces (26%) and water (24%) within 3 km, water (48%) and trees (44%) within 16 km, and water (85%) within 80 km.

3 km
287 m
16 km
1,921 m
80 km
1,905 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Ara-dong 24 km · Ora-dong 26 km · Seodong 26 km · Ido-dong 27 km · Tallang-dong 28 km · Jeju 29 km · Gaigeturi 33 km · Haenam 147 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 Seogwipo (33.2533°, 126.5618°, elevation 69 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).