Yecheon weather in December

In December, Yecheon sees average daytime highs of 5°C and overnight lows near -4°C, with 21 mm of precipitation across 4.1 wet days and about 9.5 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 4°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 42 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Yecheon's 1st-clearest and 3rd-windiest month. For the whole year in context, see Yecheon's year-round climate.

Daytime high
11th warmest
Overnight low
-4°
3rd coldest
Precipitation
21 mm
4.1 wet days
Daylight
9 h 30 min
7:37 AM – 5:08 PM
Cloud cover
42%
1st clearest
Wind
9 km/h
3rd windiest
Solar energy
2.45 kWh/m²
Travel score
0.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 7°C in the first days to 4°C by the end.

A typical December day in Yecheon reaches about 5°C in the afternoon and slips back to -4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 10°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)
18-1
28-1
37-2
47-2
57-2
67-2
76-2
86-3
96-3
106-3
116-3
125-3
135-3
145-4
155-4
165-4
175-4
185-4
195-4
205-4
214-4
224-4
234-4
244-4
254-5
264-5
274-5
284-5
294-5
304-5
314-5

How December really feels in Yecheon

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
wind chill below the day's low

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

Yecheon 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 / -6°2142.49.80.0
Feb / -4°293.9210.60.6
Mar12° / 516.7211.73.2
Apr18° / 787.20.212.96.2
May23° / 12°927.6013.97.2
Jun27° / 17°1137.9014.56.6
Jul28° / 21°23214.7014.35.0
Aug29° / 21°20414.3013.45.0
Sep25° / 16°1378.7012.26.9
Oct19° / 524.6011.17.1
Nov12° / 355.30.3103.7
Dec / -4°214.11.69.50.3

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 16% of December, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66535
76535
86634
96634
106535
116535
126634
136634
146634
156634
166733
176832
186832
196832
206832
216931
226931
236931
246931
257030
267030
277030
287030
297030
307030
316931

Chance of precipitation in December

Any precipitationSnow

Yecheon gets around 21 mm of rain and snow over 4.1 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 13% and peaks near 17% 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 (%)
1174
2174
3174
4174
5175
6165
7165
8165
9155
10155
11145
12145
13135
14135
15124
16124
17124
18114
19115
20115
21115
22115
23115
24116
25116
26116
27116
28116
29116
30116
31116

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 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 30 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 7:26 AM to 7:44 AM, and sunset from 5:06 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:265:06
29.77:275:06
39.67:275:06
49.67:285:06
59.67:295:06
69.67:305:06
79.67:315:06
89.67:325:06
99.67:325:06
109.67:335:06
119.57:345:06
129.57:355:07
139.57:355:07
149.57:365:07
159.57:375:07
169.57:375:08
179.57:385:08
189.57:385:08
199.57:395:09
209.57:395:09
219.57:405:09
229.57:405:10
239.57:415:10
249.57:415:11
259.57:425:11
269.57:425:12
279.57:425:13
289.57:435:13
299.57:435:14
309.57:435:14
319.57:445:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.45 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.81 kWh/m² in May across the year — December's 2.45 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Yecheon

In seasonPeak

None of Yecheon's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Yecheon's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Yecheon?

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

0.3
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 Yecheon.

What to pack for Yecheon in December

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

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

a warm layera heavy coat

UV index in Yecheon 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 Yecheon peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 15UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yecheon 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 Yecheon is worst in March — around 51 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (August, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1750 µg/m³Aug 1528 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb45Poor
Mar51Poor
Apr45Poor
May40Poor
Jun37Poor
Jul29Moderate
Aug28Moderate
Sep29Moderate
Oct35Poor
Nov40Poor
Dec38Poor
Location & terrain

Where is Yecheon?

Yecheon sits at 36.7°N, 128.5°E, 92 m above sea level, in South Korea. The nearest listed city is Mungyeong, 24 km away.

SangjuKunwiJenzanNeietsuChungju

Topography around Yecheon

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

Within 3 km, the terrain around Yecheon has significant variations in elevation — a maximum elevation change of 292 m around an average of 125 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 810 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,531 m.

The land around Yecheon is covered by trees (40%) and cropland (35%) within 3 km, trees (61%) and cropland (27%) within 16 km, and trees (83%) within 80 km.

3 km
292 m
16 km
810 m
80 km
1,531 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Mungyeong 24 km · Yeongju 24 km · Andong 26 km · Sangju 38 km · Kunwi 48 km · Jenzan 48 km · Neietsu 59 km · Chungju 59 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 Yecheon (36.6574°, 128.4551°, elevation 92 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. 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).