Changam-ch’on weather in December

In December, Changam-ch’on sees average daytime highs of 1°C and overnight lows near -8°C, with 32 mm of precipitation across 6.3 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to -1°C by the end. The sky is clear or mostly clear about 61% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Changam-ch’on's 1st-clearest and 2nd-windiest month. For the whole year in context, see Changam-ch’on's year-round climate.

Daytime high
11th warmest
Overnight low
-8°
3rd coldest
Precipitation
32 mm
6.3 wet days
Daylight
9 h 06 min
7:48 AM – 4:54 PM
Cloud cover
35%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
2.15 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 3°C in the first days to -1°C by the end.

A typical December day in Changam-ch’on reaches about 1°C in the afternoon and slips back to -8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 5°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
13-5
23-5
33-6
43-6
52-6
62-6
72-7
82-7
91-7
101-7
111-7
121-8
131-8
141-8
151-8
161-8
170-9
180-9
190-9
200-9
210-9
220-9
230-9
240-10
250-10
260-10
270-10
280-10
29-1-10
30-1-10
31-1-10

How December really feels in Changam-ch’on

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
26 feel bitter (≤ -10°C)

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

Changam-ch’on weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -11°276.57.59.40.0
Feb / -10°235.66.410.40.0
Mar / -4°336.45.411.70.9
Apr13° / 447.31.6134.1
May19° / 699014.26.1
Jun22° / 14°719014.86.5
Jul25° / 18°15512.8014.66.2
Aug25° / 18°17714.9013.65.9
Sep22° / 13°1039012.36.7
Oct16° / 486.50.210.95.7
Nov / -1°456.93.59.71.4
Dec / -8°326.36.49.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56436
66634
76634
86733
96832
106832
116931
127030
137030
147129
157129
167129
177228
187228
197327
207327
217327
227327
237327
247327
257327
267426
277426
287426
297426
307426
317426

Chance of precipitation in December

Any precipitationSnow

Changam-ch’on gets around 32 mm of rain and snow over 6.3 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 20% and peaks near 26% on the wettest days, and about 6 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12622
22622
32623
42623
52523
62523
72523
82422
92322
102322
112221
122221
132121
142020
152020
161920
171920
181819
191819
201819
211819
221820
231720
241720
251720
261720
271720
281720
291720
301720
311620

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
68calm
78calm
88calm
98calm
108calm
118calm
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 18 min at the start of December to 9 h 06 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 7:35 AM to 7:54 AM, and sunset from 4:54 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:354:54
29.37:364:54
39.37:374:53
49.37:384:53
59.27:394:53
69.27:404:53
79.27:414:53
89.27:424:53
99.27:434:53
109.27:434:53
119.27:444:53
129.17:454:53
139.17:464:54
149.17:464:54
159.17:474:54
169.17:484:54
179.17:484:55
189.17:494:55
199.17:504:55
209.17:504:56
219.17:514:56
229.17:514:57
239.17:524:57
249.17:524:58
259.17:524:58
269.17:534:59
279.17:534:59
289.17:535:00
299.17:545:01
309.17:545:01
319.17:545:02

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 5.85 kWh/m² in May across the year — December's 2.15 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
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in December

Hazard calendar for Changam-ch’on

In seasonPeak

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

Changam-ch’on sits in the Pacific typhoon belt; the season peaks July–October.

Changam-ch’on's rainy season runs July–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 Changam-ch’on?

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

0.0
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 Changam-ch’on.

What to pack for Changam-ch’on in December

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

In December, Changam-ch’on sees daytime highs around 1°C and nights near -8°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

Sea temperature near Changam-ch’on in December

The nearest coast averages about 8°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 27 km away) is warmest in August at about 23°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 15 to Sep 22 — about 2.3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May11Bracing
Jun16Cool
Jul20Refreshing
Aug23Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec8Bracing

UV index in Changam-ch’on in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Changam-ch’on peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highModerateLowAug 18UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun7Very high
Jul7High
Aug8Very high
Sep7Very high
Oct5Moderate
Nov2Moderate
Dec1Low

Air quality in Changam-ch’on 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 Changam-ch’on is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (August, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 947 µg/m³Aug 2217 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb36Poor
Mar46Poor
Apr47Poor
May36Poor
Jun25Moderate
Jul20Moderate
Aug17Moderate
Sep18Moderate
Oct24Moderate
Nov26Moderate
Dec23Moderate
Location & terrain

Where is Changam-ch’on?

Changam-ch’on sits at 40.6°N, 128.8°E, 141 m above sea level, in North Korea. The nearest listed city is Iwŏn-ŭp, 33 km away.

Iwŏn-ŭpKiljuHwadaeKapsan-ŭpMyŏngch’ŏnSinp’oYuktae-dongMyŏnggan-dong

Topography around Changam-ch’on

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Changam-ch’on.

Within 3 km, the terrain around Changam-ch’on has large variations in elevation — a maximum elevation change of 842 m around an average of 325 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,555 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,283 m.

The land around Changam-ch’on is covered by trees (64%) and grassland (20%) within 3 km, trees (76%) within 16 km, and trees (57%) and water (25%) within 80 km.

3 km
842 m
16 km
1,555 m
80 km
2,283 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Iwŏn-ŭp 33 km · Kilju 61 km · Hwadae 66 km · Kapsan-ŭp 68 km · Myŏngch’ŏn 75 km · Sinp’o 80 km · Yuktae-dong 83 km · Myŏnggan-dong 84 km

North Korea travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Safe drinking water
67%
of population, 2023
Road deaths
24.2
per 100k/yr, 2019
Income group
Low
World Bank

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 Changam-ch’on (40.6061°, 128.7819°, elevation 141 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).