Onsŏng weather in January

In January, Onsŏng sees average daytime highs of -7°C and overnight lows near -18°C, with 9 mm of precipitation across 1.5 wet days and about 9.2 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near -7°C through the month. The sky is clear or mostly clear about 58% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 54 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Onsŏng's 1st-clearest and 1st-windiest month. For the whole year in context, see Onsŏng's year-round climate.

Daytime high
-7°
12th warmest
Overnight low
-18°
1st coldest
Precipitation
9 mm
1.5 wet days
Daylight
9 h 12 min
7:54 AM – 5:04 PM
Cloud cover
37%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
2.45 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -7°C through the month.

A typical January day in Onsŏng reaches about -7°C in the afternoon and slips back to -18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between -13°C and -2°C. Set against its neighbours, January runs about 2°C cooler than December and about 4°C cooler than February.

-25°-20°-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
1-7-17
2-7-17
3-7-17
4-7-17
5-7-17
6-8-17
7-8-17
8-8-17
9-8-18
10-8-18
11-8-18
12-8-18
13-8-18
14-8-18
15-8-18
16-8-18
17-8-18
18-8-18
19-8-18
20-7-18
21-7-18
22-7-18
23-7-18
24-7-18
25-7-18
26-7-18
27-7-18
28-6-18
29-6-18
30-6-17
31-6-17

How January really feels in Onsŏng

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Onsŏng weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -18°91.51.99.20.0
Feb-3° / -15°102.12.610.20.0
Mar / -7°2354.211.60.4
Apr13° / 437.42.513.13.6
May18° / 7911.80.314.45.6
Jun22° / 13°7611.7015.16.2
Jul25° / 17°13713.1014.86.2
Aug25° / 17°12912.4013.86.3
Sep21° / 10°658.1012.36.8
Oct13° / 406.30.910.84.3
Nov / -6°264.83.49.50.3
Dec-6° / -15°112.738.90.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67525
77525
87426
97426
107426
117426
127327
137228
147228
157228
167228
177228
187228
197228
207228
217228
227228
237228
247228
257228
267228
277228
287228
297327
307327
317327

Chance of precipitation in January

Any precipitationSnow

Onsŏng gets around 9 mm of rain and snow over 1.5 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 5% and peaks near 6% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
167
267
367
467
567
666
766
866
966
1057
1157
1257
1357
1457
1557
1657
1756
1856
1946
2046
2146
2246
2346
2446
2546
2646
2746
2845
2945
3045
3145

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 11 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1810calm
1910calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 54 min at the start of January to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:57 AM to 7:44 AM, and sunset from 4:50 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.97:574:50
28.97:574:50
38.97:574:51
48.97:574:52
58.97:574:53
68.97:574:54
79.07:574:55
89.07:574:56
99.07:574:57
109.07:564:58
119.07:564:59
129.17:565:00
139.17:565:01
149.17:555:02
159.17:555:03
169.27:545:04
179.27:545:05
189.27:545:06
199.27:535:08
209.37:525:09
219.37:525:10
229.37:515:11
239.47:515:12
249.47:505:14
259.47:495:15
269.57:485:16
279.57:485:17
289.57:475:19
299.67:465:20
309.67:455:21
319.67:445:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.45 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.44 kWh/m² in May across the year — January's 2.45 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Onsŏng

In seasonPeak

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

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

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

Is January a good time to visit Onsŏng?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Onsŏng.

What to pack for Onsŏng in January

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

In January, Onsŏng sees daytime highs around -7°C and nights near -18°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Onsŏng in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Onsŏng peaks around August 19 at about 7 (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 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun7High
Jul5High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Onsŏng in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Onsŏng is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (August, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1746 µg/m³Aug 1417 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb37Poor
Mar47Poor
Apr36Poor
May28Moderate
Jun22Moderate
Jul19Moderate
Aug17Moderate
Sep21Moderate
Oct26Moderate
Nov29Moderate
Dec29Moderate
Location & terrain

Where is Onsŏng?

Onsŏng sits at 43.0°N, 130.0°E, 83 m above sea level, in North Korea. The nearest listed city is Namyang-nodongjagu, 11 km away.

ŬndŏkAoji-riHoeryŏngSŏnbongUnggiRajin

Topography around Onsŏng

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

Within 3 km, the terrain around Onsŏng has only modest variations in elevation — a maximum elevation change of 172 m around an average of 94 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 762 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,475 m.

The land around Onsŏng is covered by cropland (82%) within 3 km, trees (61%) and cropland (27%) within 16 km, and trees (76%) within 80 km.

3 km
172 m
16 km
762 m
80 km
1,475 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Namyang-nodongjagu 11 km · Namyang 11 km · Ŭndŏk 56 km · Aoji-ri 59 km · Hoeryŏng 61 km · Sŏnbong 75 km · Unggi 76 km · Rajin 82 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 Onsŏng (42.9572°, 129.9933°, elevation 83 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).