Ongjin weather in December

In December, Ongjin sees average daytime highs of 4°C and overnight lows near -1°C, with 24 mm of precipitation across 5.6 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 10th-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 26% 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 Ongjin's 10th-clearest and 1st-windiest month. For the whole year in context, see Ongjin's year-round climate.

Daytime high
10th warmest
Overnight low
-1°
3rd coldest
Precipitation
24 mm
5.6 wet days
Daylight
9 h 24 min
7:53 AM – 5:16 PM
Cloud cover
62%
10th clearest
Wind
19 km/h
1st windiest
Solar energy
2.05 kWh/m²
Travel score
0.1
out of 10

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 Ongjin reaches about 4°C in the afternoon and slips back to -1°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 8°C. Set against its neighbours, December runs about 7°C cooler than November and about 3°C warmer than January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
172
261
361
461
561
651
750
850
950
1050
1150
1240
134-1
144-1
154-1
164-1
174-1
184-1
194-1
203-1
213-1
223-1
233-2
243-2
253-2
263-2
273-2
283-2
292-2
302-2
312-2

How December really feels in Ongjin

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.

Ongjin weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°153.63.39.70.0
Feb / -2°213.51.610.50.0
Mar / 274.50.811.70.9
Apr12° / 536.50.1133.5
May17° / 12°906.90145.9
Jun22° / 17°917.5014.66.9
Jul25° / 22°24512.7014.46.3
Aug26° / 23°21511.5013.56.4
Sep23° / 18°906.7012.37.5
Oct18° / 12°405.10116.5
Nov11° / 456.90.59.92.8
Dec / -1°245.63.19.40.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34258
44159
54159
64060
74060
83961
93961
103862
113862
123961
134060
144060
154060
164258
174258
184357
194357
204258
214357
224357
234357
244456
254357
264258
274258
284357
294258
304060
314060

Chance of precipitation in December

Any precipitationSnow

Ongjin gets around 24 mm of rain and snow over 5.6 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 18% and peaks near 23% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1237
2237
3238
4238
5229
6229
72210
82110
92110
102111
112111
122011
132010
141910
151910
161810
171710
181710
191610
201610
211510
22159
231510
241510
251510
261510
271510
281511
291511
301511
311511

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

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

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 7:41 AM to 8:00 AM, and sunset from 5:15 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:415:15
29.57:425:15
39.57:435:15
49.57:445:15
59.57:455:15
69.57:465:15
79.57:475:15
89.57:475:15
99.47:485:15
109.47:495:15
119.47:505:15
129.47:515:15
139.47:515:15
149.47:525:16
159.47:535:16
169.47:535:16
179.47:545:17
189.47:545:17
199.47:555:17
209.47:565:18
219.47:565:18
229.47:575:19
239.47:575:19
249.47:575:20
259.47:585:20
269.47:585:21
279.47:595:21
289.47:595:22
299.47:595:22
309.47:595:23
319.48:005:24

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 6 kWh/m² in May across the year — December's 2.05 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Moderate
132.0Moderate
142.0Moderate
152.0Moderate
162.0Moderate
172.0Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
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 Ongjin

In seasonPeak

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

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

Ongjin'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 Ongjin?

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

0.1
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 Ongjin.

What to pack for Ongjin in December

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

In December, Ongjin sees daytime highs around 4°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat. About 6 days see rain.

a warm layera heavy coat

Sea temperature near Ongjin in December

The nearest coast averages about 9°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 22 km away) is warmest in August at about 24°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 7 to Oct 1 — about 2.9 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun17Cool
Jul21Refreshing
Aug24Refreshing
Sep22Refreshing
Oct18Cool
Nov13Bracing
Dec9Bracing

UV index in Ongjin 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 Ongjin peaks around August 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 highHighModerateLowAug 11UV 8Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun6High
Jul8Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ongjin 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 Ongjin is worst in November — around 82 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (July, 40 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyNov 1981 µg/m³Jul 2240 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb78Unhealthy
Mar80Unhealthy
Apr66Unhealthy
May54Poor
Jun46Poor
Jul40Poor
Aug41Poor
Sep58Unhealthy
Oct72Unhealthy
Nov82Unhealthy
Dec77Unhealthy
Location & terrain

Where is Ongjin?

Ongjin sits at 37.9°N, 125.4°E, 19 m above sea level, in North Korea. The nearest listed city is Kangnyŏng, 13 km away.

ChangyŏnSamch’ŏnSinch’ŏn-ŭpSinwŏn-ŭpCh’ŏngdan-ŭp

Topography around Ongjin

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

Within 3 km, the terrain around Ongjin has only modest variations in elevation — a maximum elevation change of 233 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 503 m; within 80 km, large variations in elevation — a maximum elevation change of 1,037 m.

The land around Ongjin is covered by cropland (72%) within 3 km, cropland (38%) and trees (33%) within 16 km, and water (52%) and cropland (27%) within 80 km.

3 km
233 m
16 km
503 m
80 km
1,037 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Kangnyŏng 13 km · T’aet’an-ŭp 18 km · Haeju 33 km · Changyŏn 42 km · Samch’ŏn 47 km · Sinch’ŏn-ŭp 48 km · Sinwŏn-ŭp 48 km · Ch’ŏngdan-ŭp 51 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 Ongjin (37.9347°, 125.3619°, elevation 19 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).