Iwŏn-ŭp in Winter

In winter (December, January and February), Iwŏn-ŭp sees average daytime highs around 1°C and overnight lows near -4°C, with 91 mm of precipitation over about 19 wet days across the season. It is the coldest season of the year and the driest season of the year.

Across winter, daytime highs hold fairly steady around 1°C. The sky is clear or mostly clear about 56% of the time across winter, and the air most often feels dry.

Winter is Iwŏn-ŭp's weakest season of the year to visit on our travel score. For the whole year in context, see Iwŏn-ŭp's year-round climate.

Avg daytime high
1°C
coldest season of the year
Avg overnight low
-4°C
Precipitation
91 mm
19 wet days
Avg wind
14 km/h
Travel score
0.0
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Iwŏn-ŭp in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 1°C.

A typical winter day in Iwŏn-ŭp reaches about 1°C and drops to -4°C overnight. The warmest of the three months is December, the coolest January.

-15°-10°-5°10°DecJanFeb

How winter really feels in Iwŏn-ŭp

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
90
43 feel bitter (≤ -10°C)

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

Iwŏn-ŭp weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°316.67.39.50.0
Feb / -4°235.15.410.40.0
Mar / 285.23.811.70.5
Apr11° / 406.10.8132.9
May15° / 10°667.2014.25.1
Jun19° / 15°626.1014.86.5
Jul23° / 20°14110.1014.66.6
Aug24° / 21°15011.2013.66.7
Sep21° / 17°896.8012.37.0
Oct16° / 11°465.70.110.95.8
Nov / 497.229.81.9
Dec / -3°376.95.89.20.0

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Iwŏn-ŭp gets around 91 mm of rain and snow over 19 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 14 km/h across winter.

05101520DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 18 min in early December to 11 hours by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.6 kWh/m².

01234DecJanFeb
Planning a trip in winter

Hazard calendar for Iwŏn-ŭp

In seasonPeak

In winter, Iwŏn-ŭp overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Iwŏn-ŭp sits in the Pacific typhoon belt; the season peaks July–October.

Iwŏn-ŭp'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 winter a good time to visit Iwŏn-ŭp?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

0.0
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Iwŏn-ŭp.

What to pack for Iwŏn-ŭp in Winter

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

In winter, Iwŏn-ŭp sees daytime highs around 1°C and nights near -4°C. Pack a warm layer and a heavy coat. About 19 days see rain.

a warm layera heavy coat

Sea temperature near Iwŏn-ŭp in Winter

The nearest coast averages about 6°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 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 Iwŏn-ŭp in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iwŏn-ŭp 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 18UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec1Low

Air quality in Iwŏn-ŭp in Winter

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Iwŏn-ŭp 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 Iwŏn-ŭp?

Iwŏn-ŭp sits at 40.3°N, 128.7°E, 2 m above sea level, in North Korea. The nearest listed city is Changam-ch’on, 33 km away.

Changam-ch’onSinp’oYuktae-dongHongwŏnSamho-rodongjaguKapsan-ŭpKiljuHwadae

Topography around Iwŏn-ŭp

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

Within 3 km, the terrain around Iwŏn-ŭp has only modest variations in elevation — a maximum elevation change of 100 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,000 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,358 m.

The land around Iwŏn-ŭp is covered by cropland (47%) and water (38%) within 3 km, trees (46%) and water (32%) within 16 km, and trees (52%) and water (34%) within 80 km.

3 km
100 m
16 km
1,000 m
80 km
2,358 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Winter weather nearby: Changam-ch’on 33 km · Sinp’o 50 km · Yuktae-dong 54 km · Hongwŏn 68 km · Samho-rodongjagu 79 km · Kapsan-ŭp 91 km · Kilju 91 km · Hwadae 91 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 Iwŏn-ŭp (40.3231°, 128.6553°, elevation 2 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.