Yangju weather in December

In December, Yangju sees average daytime highs of 4°C and overnight lows near -5°C, with 23 mm of precipitation across 4.8 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 6°C in the first days to 2°C by the end. The sky is clear or mostly clear about 52% 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 24 min by month's end. Set against the rest of the year, December is Yangju's 1st-clearest and 6th-windiest month. For the whole year in context, see Yangju's year-round climate.

Daytime high
11th warmest
Overnight low
-5°
2nd coldest
Precipitation
23 mm
4.8 wet days
Daylight
9 h 24 min
7:46 AM – 5:10 PM
Cloud cover
42%
1st clearest
Wind
9 km/h
6th windiest
Solar energy
2.33 kWh/m²
Travel score
0.1
out of 10

Yangju is city in Gyeonggi Province, South Korea, south of Dongducheon and north of Uijeongbu, not far from Seoul.

Density
580/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 6°C in the first days to 2°C by the end.

A typical December day in Yangju reaches about 4°C in the afternoon and slips back to -5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 9°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
16-2
26-3
36-3
46-3
55-3
65-3
75-4
85-4
94-4
104-4
114-4
124-5
134-5
144-5
154-5
163-5
173-5
183-5
193-5
203-5
213-6
223-6
233-6
243-6
253-6
262-6
272-6
282-6
292-7
302-7
312-7

How December really feels in Yangju

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
8 feel bitter (≤ -10°C)

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

Yangju weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°193.52.49.70.0
Feb / -5°254.2210.50.3
Mar10° / 386.31.211.72.7
Apr17° / 697.30.112.95.8
May23° / 12°1007.90147.1
Jun26° / 17°1239.1014.66.6
Jul28° / 22°31517014.44.9
Aug29° / 22°26515.2013.54.9
Sep25° / 16°1187.8012.37.1
Oct19° / 525.40117.0
Nov11° / 467.10.5103.1
Dec / -5°234.829.40.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56436
66436
76535
86535
96535
106634
116634
126634
136733
146733
156832
166832
176832
186931
196931
206931
216931
226931
236931
246832
256832
266733
276733
286733
296634
306634
316535

Chance of precipitation in December

Any precipitationSnow

Yangju gets around 23 mm of rain and snow over 4.8 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 16% and peaks near 21% on the wettest days, and about 2 days bring snow. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1214
2214
3214
4214
5205
6205
7195
8195
9195
10186
11186
12176
13176
14166
15156
16156
17146
18146
19136
20136
21136
22137
23137
24137
25138
26138
27138
28138
29139
30139
31139

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 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 24 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 7:34 AM to 7:53 AM, and sunset from 5:09 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:345:09
29.67:355:08
39.57:365:08
49.57:375:08
59.57:385:08
69.57:395:08
79.57:405:08
89.57:405:08
99.57:415:08
109.47:425:08
119.47:435:09
129.47:435:09
139.47:445:09
149.47:455:09
159.47:455:09
169.47:465:10
179.47:475:10
189.47:475:10
199.47:485:11
209.47:485:11
219.47:495:12
229.47:495:12
239.47:505:13
249.47:505:13
259.47:515:14
269.47:515:14
279.47:515:15
289.47:525:15
299.47:525:16
309.47:525:17
319.47:535:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.33 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.76 kWh/m² in May across the year — December's 2.33 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Yangju

In seasonPeak

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

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

Yangju's rainy season runs July–August, 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 Yangju?

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

0.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Yangju.

What to pack for Yangju in December

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

In December, Yangju sees daytime highs around 4°C and nights near -5°C. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

Sea temperature near Yangju in December

The nearest coast averages about 10°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 64 km away) is warmest in August at about 24°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 11 to Oct 13 — 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
Jun17Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct20Cool
Nov15Bracing
Dec10Bracing

UV index in Yangju 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 Yangju peaks around August 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 17UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May5Moderate
Jun7High
Jul7Very high
Aug8Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Yangju 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 Yangju is worst in March — around 160 µg/m³ PM2.5 (very unhealthy), about 2.0× the cleanest month (August, 81 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyMar 13158 µg/m³Aug 1282 µg/m³
PM2.5 (µg/m³)Level
Jan145Unhealthy
Feb149Unhealthy
Mar160Very unhealthy
Apr127Unhealthy
May111Unhealthy
Jun98Unhealthy
Jul88Unhealthy
Aug81Unhealthy
Sep110Unhealthy
Oct132Unhealthy
Nov142Unhealthy
Dec133Unhealthy
Location & terrain

Where is Yangju?

Yangju sits at 37.8°N, 127.1°E, 76 m above sea level, in South Korea. The nearest listed city is Uijeongbu-si, 10 km away.

Topography around Yangju

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

Within 3 km, the terrain around Yangju has only modest variations in elevation — a maximum elevation change of 238 m around an average of 107 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 724 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,443 m.

The land around Yangju is covered by trees (36%) and artificial surfaces (36%) within 3 km, trees (66%) within 16 km, and trees (56%) within 80 km.

3 km
238 m
16 km
724 m
80 km
1,443 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Uijeongbu-si 10 km · Munsan 24 km · Namyangju 26 km · Guri-si 27 km · Goyang-si 28 km · Hwado 30 km · Wabu 30 km · Seoul 31 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 Yangju (37.8331°, 127.0617°, elevation 76 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).