Rajin weather in December

In December, Rajin sees average daytime highs of -2°C and overnight lows near -10°C, with 17 mm of precipitation across 3.9 wet days and about 9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 0°C in the first days to -4°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 06 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Rajin's 2nd-clearest and 1st-windiest month. For the whole year in context, see Rajin's year-round climate.

Daytime high
-2°
11th warmest
Overnight low
-10°
3rd coldest
Precipitation
17 mm
3.9 wet days
Daylight
8 h 54 min
7:47 AM – 4:43 PM
Cloud cover
36%
2nd clearest
Wind
14 km/h
1st windiest
Solar energy
2 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 0°C in the first days to -4°C by the end.

A typical December day in Rajin reaches about -2°C in the afternoon and slips back to -10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 3°C. Set against its neighbours, December runs about 8°C cooler than November and about 2°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
11-6
20-7
30-7
40-7
50-7
6-1-8
7-1-8
8-1-8
9-1-8
10-2-9
11-2-9
12-2-9
13-2-9
14-2-9
15-2-10
16-2-10
17-3-10
18-3-10
19-3-10
20-3-10
21-3-10
22-3-11
23-3-11
24-3-11
25-3-11
26-3-11
27-4-11
28-4-11
29-4-11
30-4-11
31-4-12

How December really feels in Rajin

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
31 feel bitter (≤ -10°C)

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

Rajin 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-4° / -12°152.52.99.30.0
Feb-1° / -10°142.52.810.30.0
Mar / -4°254.83.511.60.4
Apr12° / 4471.813.13.1
May16° / 8511.80.214.45.0
Jun20° / 13°8811.10155.8
Jul23° / 18°15114014.86.0
Aug25° / 19°15014.5013.76.0
Sep21° / 13°877.9012.36.9
Oct15° / 445.90.410.85.1
Nov / -2°334.72.79.60.8
Dec-2° / -10°173.9490.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67129
77129
87129
97129
107129
117129
127228
137228
147228
157327
167327
177327
187426
197426
207426
217426
227426
237426
247426
257426
267426
277426
287525
297525
307525
317525

Chance of precipitation in December

Any precipitationSnow

Rajin gets around 17 mm of rain and snow over 3.9 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 12% and peaks near 15% on the wettest days, and about 4 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11512
21513
31513
41513
51413
61413
71413
81413
91413
101313
111313
121313
131213
141213
151212
161212
171112
181112
191112
201112
211112
221112
231113
241113
251113
261213
271213
281213
291212
301212
311112

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

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 06 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:34 AM to 7:53 AM, and sunset from 4:43 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:344:43
29.17:354:43
39.17:364:42
49.17:374:42
59.17:384:42
69.07:394:42
79.07:404:42
89.07:414:42
99.07:424:42
109.07:434:42
119.07:444:42
129.07:444:42
139.07:454:42
148.97:464:42
158.97:474:43
168.97:474:43
178.97:484:43
188.97:484:43
198.97:494:44
208.97:504:44
218.97:504:45
228.97:514:45
238.97:514:46
248.97:524:46
258.97:524:47
268.97:524:47
278.97:534:48
288.97:534:48
298.97:534:49
308.97:534:50
319.07:534:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2 kWh/m² to a high of 5.32 kWh/m² in May across the year — December's 2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.0Moderate
22.0Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Dim
122.0Dim
132.0Dim
142.0Dim
152.0Dim
162.0Dim
172.0Dim
182.0Moderate
192.0Moderate
202.0Moderate
212.0Moderate
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Rajin

In seasonPeak

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

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

Rajin's rainy season runs May–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 Rajin?

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
8th-best month of the year

December is a weaker month for outdoor sightseeing in Rajin.

What to pack for Rajin in December

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

In December, Rajin sees daytime highs around -2°C and nights near -10°C. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

Sea temperature near Rajin in December

The nearest coast averages about 7°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 16 km away) is warmest in August at about 22°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 31 to Sep 8 — about 1.3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan3Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep20Cool
Oct16Cool
Nov11Bracing
Dec7Bracing

UV index in Rajin 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 Rajin peaks around August 19 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowAug 19UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Rajin 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 Rajin is worst in March — around 41 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (August, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodModerateMar 1840 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb34Moderate
Mar41Poor
Apr36Poor
May21Moderate
Jun11Good
Jul10Good
Aug10Good
Sep10Good
Oct14Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Rajin?

Rajin sits at 42.3°N, 130.3°E, 16 m above sea level, in North Korea. The nearest listed city is Sŏnbong, 13 km away.

HoeryŏngPuryŏng-ŭpChongjinRanam

Topography around Rajin

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

Within 3 km, the terrain around Rajin has significant variations in elevation — a maximum elevation change of 454 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 905 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,748 m.

The land around Rajin is covered by trees (28%), cropland (26%) and artificial surfaces (23%) within 3 km, trees (51%) and water (35%) within 16 km, and trees (45%) and water (33%) within 80 km.

3 km
454 m
16 km
905 m
80 km
1,748 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Sŏnbong 13 km · Unggi 14 km · Ŭndŏk 30 km · Aoji-ri 31 km · Hoeryŏng 49 km · Puryŏng-ŭp 52 km · Chongjin 66 km · Ranam 78 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 Rajin (42.2556°, 130.2831°, elevation 16 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).