Seogwipo weather in December

In December, Seogwipo sees average daytime highs of 10°C and overnight lows near 6°C, with 55 mm of precipitation across 8.1 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 9°C by the end. The sky is clear or mostly clear about 18% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Seogwipo's 8th-clearest and 2nd-windiest month. For the whole year in context, see Seogwipo's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
55 mm
8.1 wet days
Daylight
9 h 48 min
7:36 AM – 5:24 PM
Cloud cover
68%
8th clearest
Wind
16 km/h
2nd windiest
Solar energy
2.05 kWh/m²
Travel score
2.5
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 9°C by the end.

A typical December day in Seogwipo reaches about 10°C in the afternoon and slips back to 6°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1138
2128
3128
4128
5127
6127
7117
8117
9117
10117
11117
12116
13106
14106
15106
16106
17106
18106
19106
20106
21105
22105
2395
2495
2595
2695
2795
2895
2995
3095
3195

How December really feels in Seogwipo

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 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
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.

Seogwipo 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 / 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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34159
44060
53961
63862
73763
83664
93565
103565
113367
123367
133367
143367
153367
163367
173367
183367
193367
203466
213466
223466
233466
243565
253664
263565
273565
283565
293466
303466
313367

Chance of precipitation in December

Any precipitationSnow

Seogwipo gets around 55 mm of rain and snow over 8.1 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 26% and peaks near 28% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1271
2271
3281
4281
5281
6282
7282
8272
9272
10272
11273
12273
13273
14273
15273
16264
17264
18264
19254
20254
21254
22255
23245
24245
25245
26245
27235
28235
29236
30246
31246

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19631
29631
39721
49721
59820
69820
79820
89820
99910
109910
119910
129910
139910
149910
159910
169910
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 hours 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 12 minutes over December. Sunrise moves from 7:25 AM to 7:42 AM, and sunset from 5:22 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:255:22
29.97:265:22
39.97:265:22
49.97:275:22
59.97:285:22
69.97:295:22
79.97:295:22
89.97:305:22
99.97:315:23
109.97:325:23
119.87:325:23
129.87:335:23
139.87:345:23
149.87:345:24
159.87:355:24
169.87:365:24
179.87:365:25
189.87:375:25
199.87:375:25
209.87:385:26
219.87:385:26
229.87:395:27
239.87:395:27
249.87:405:28
259.87:405:28
269.87:405:29
279.87:415:29
289.87:415:30
299.87:425:30
309.87:425:31
319.87:425:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.05 kWh/m² — the year's lowest.

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 — December's 2.05 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Moderate
132.0Moderate
142.0Moderate
152.0Moderate
162.0Moderate
172.0Moderate
182.0Moderate
192.0Moderate
202.0Moderate
212.0Moderate
222.0Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Seogwipo

In seasonPeak

In December, 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 December a good time to visit Seogwipo?

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

2.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Seogwipo.

What to pack for Seogwipo in December

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

In December, Seogwipo sees daytime highs around 10°C and nights near 6°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Seogwipo in December

The nearest coast averages about 19°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 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 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 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 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 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
December 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).