Boryeong weather in December

In December, Boryeong sees average daytime highs of 6°C and overnight lows near 2°C, with 31 mm of precipitation across 7.1 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 8°C in the first days to 5°C by the end. The sky is clear or mostly clear about 24% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Boryeong's 10th-clearest and 1st-windiest month. For the whole year in context, see Boryeong's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
31 mm
7.1 wet days
Daylight
9 h 30 min
7:44 AM – 5:16 PM
Cloud cover
63%
10th clearest
Wind
16 km/h
1st windiest
Solar energy
2.15 kWh/m²
Travel score
0.7
out of 10

Boryeong is human settlement in South Korea.

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 8°C in the first days to 5°C by the end.

A typical December day in Boryeong reaches about 6°C in the afternoon and slips back to 2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 10°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
194
294
384
484
584
683
783
873
973
1073
1172
1272
1372
1462
1562
1662
1762
1861
1961
2061
2161
2261
2351
2451
2551
2651
2751
2850
2950
3050
3140

How December really feels in Boryeong

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

Boryeong weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°255.73.99.80.0
Feb / 314.61.510.60.1
Mar / 466.40.711.71.6
Apr13° / 827.4012.93.9
May18° / 14°886.9013.96.2
Jun22° / 19°1227.8014.46.9
Jul26° / 23°26314.3014.26.0
Aug27° / 24°22713.3013.45.9
Sep24° / 20°1438.1012.27.2
Oct19° / 15°595.1011.17.0
Nov12° / 497.10.310.13.7
Dec / 317.13.39.60.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34753
44654
54456
64456
74357
84258
94060
103961
113862
123862
133862
143862
153862
163961
173862
183862
193961
204060
214060
224060
234060
244159
254159
264159
274159
284159
294159
304159
314060

Chance of precipitation in December

Any precipitationSnow

Boryeong gets around 31 mm of rain and snow over 7.1 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 22% and peaks near 26% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1255
2256
3266
4267
5268
6268
7269
82610
92610
102611
112511
122511
132412
142312
152312
162212
172112
182112
192111
202011
212011
222011
232011
241911
251911
261911
271911
281911
291911
301911
311911

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 16 km/h in December, the windiest month of the year.

Across December, 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
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light 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
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 7:32 AM to 7:50 AM, and sunset from 5:14 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:325:14
29.77:335:14
39.77:345:14
49.77:355:14
59.67:365:14
69.67:375:14
79.67:375:14
89.67:385:14
99.67:395:14
109.67:405:14
119.67:405:15
129.67:415:15
139.67:425:15
149.57:425:15
159.57:435:16
169.57:445:16
179.57:445:16
189.57:455:16
199.57:455:17
209.57:465:17
219.57:475:18
229.57:475:18
239.57:475:19
249.57:485:19
259.57:485:20
269.57:495:20
279.57:495:21
289.57:495:21
299.57:505:22
309.57:505:23
319.67:505:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.15 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.89 kWh/m² in May across the year — December's 2.15 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Hazard calendar for Boryeong

In seasonPeak

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

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

Boryeong'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 Boryeong?

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

0.7
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 Boryeong.

What to pack for Boryeong in December

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

In December, Boryeong sees daytime highs around 6°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

Sea temperature near Boryeong in December

The nearest coast averages about 11°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 20 km away) is warmest in August at about 25°C and coldest in February near 5°C.

It's comfortable for a long swim from Jun 30 to Oct 7 — about 3.3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar6Bracing
Apr9Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec11Bracing

UV index in Boryeong 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 Boryeong peaks around September 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 highHighModerateSep 10UV 7Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun7High
Jul7Very high
Aug7Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Boryeong 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 Boryeong is worst in March — around 64 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 32 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1663 µg/m³Jul 2133 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb56Unhealthy
Mar64Unhealthy
Apr55Poor
May46Poor
Jun42Poor
Jul32Moderate
Aug35Moderate
Sep43Poor
Oct48Poor
Nov51Poor
Dec48Poor
Location & terrain

Where is Boryeong?

Boryeong sits at 36.3°N, 126.6°E, 11 m above sea level, in South Korea. The nearest listed city is Hongseong, 29 km away.

GunsanYesanNonsanGongjuSeosanYŏnmu

Topography around Boryeong

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

Within 3 km, the terrain around Boryeong has significant variations in elevation — a maximum elevation change of 311 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 780 m; within 80 km, large variations in elevation — a maximum elevation change of 847 m.

The land around Boryeong is covered by trees (34%), cropland (33%) and artificial surfaces (26%) within 3 km, trees (50%) and water (24%) within 16 km, and water (43%), trees (30%) and cropland (20%) within 80 km.

3 km
311 m
16 km
780 m
80 km
847 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hongseong 29 km · Buyeo 29 km · Gunsan 42 km · Yesan 43 km · Nonsan 47 km · Gongju 49 km · Seosan 50 km · Yŏnmu 51 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 Boryeong (36.3493°, 126.5977°, elevation 11 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).