Uiju in Winter
In winter (December, January and February), Uiju sees average daytime highs around -0°C and overnight lows near -10°C, with 48 mm of precipitation over about 10 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 2°C in early December to 4°C by late February. The sky is clear or mostly clear about 60% of the time across winter, and the air most often feels dry.
Winter is Uiju's weakest season of the year to visit on our travel score. For the whole year in context, see Uiju's year-round climate.
- Avg daytime high
- -0°C
- coldest season of the year
- Avg overnight low
- -10°C
- Precipitation
- 48 mm
- 10 wet days
- Avg wind
- 10 km/h
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Uiju in Winter
Over the season highs climb from about 2°C in early December to 4°C by late February.
A typical winter day in Uiju reaches about -0°C and drops to -10°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Uiju
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.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Uiju 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -12° | 10 | 2.5 | 2.4 | 9.5 | 0.0 |
| Feb | 2° / -9° | 19 | 3.3 | 2.7 | 10.4 | 0.0 |
| Mar | 8° / -2° | 27 | 4.5 | 1.7 | 11.7 | 1.5 |
| Apr | 15° / 4° | 56 | 7 | 0.5 | 13 | 5.1 |
| May | 21° / 11° | 88 | 8.7 | 0 | 14.2 | 6.8 |
| Jun | 25° / 16° | 112 | 10.5 | 0 | 14.8 | 6.6 |
| Jul | 28° / 21° | 220 | 14.6 | 0 | 14.6 | 5.4 |
| Aug | 28° / 20° | 226 | 13.9 | 0 | 13.6 | 5.4 |
| Sep | 24° / 14° | 85 | 6.8 | 0 | 12.3 | 7.4 |
| Oct | 17° / 6° | 56 | 6.8 | 0 | 10.9 | 6.0 |
| Nov | 7° / -1° | 46 | 6.5 | 1.5 | 9.8 | 1.4 |
| Dec | -0° / -9° | 19 | 3.8 | 2.8 | 9.2 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 60% of the time across winter.
Chance of precipitation in Winter
Uiju gets around 48 mm of rain and snow over 10 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
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.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.8 kWh/m².
Hazard calendar for Uiju
In winter, Uiju overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Uiju sits in the Pacific typhoon belt; the season peaks July–October.
Uiju's rainy season runs June–August, when most of the year's rain falls.
Is winter a good time to visit Uiju?
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.
winter is a weaker month for outdoor sightseeing in Uiju.
What to pack for Uiju in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Uiju sees daytime highs around -0°C and nights near -10°C. Pack a warm layer and a heavy coat. About 10 days see rain.
Sea temperature near Uiju in Winter
The nearest coast averages about 3°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 38 km away) is warmest in August at about 24°C and coldest in February near 1°C.
It's comfortable for a long swim from Jul 2 to Oct 1 — about 3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 2 | 1 | 2 | 7 | 13 | 18 | 22 | 24 | 23 | 18 | 12 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 2 | Bracing |
| Feb | 1 | Bracing |
| Mar | 2 | Bracing |
| Apr | 7 | Bracing |
| May | 13 | Bracing |
| Jun | 18 | Cool |
| Jul | 22 | Refreshing |
| Aug | 24 | Warm |
| Sep | 23 | Refreshing |
| Oct | 18 | Cool |
| Nov | 12 | Bracing |
| Dec | 6 | Bracing |
UV index in Uiju in Winter
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 Uiju peaks around August 21 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 6 | 6 | 6 | 7 | 7 | 7 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | High | High | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 7 | High |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Uiju in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Uiju is worst in January — around 65 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 34 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 65 | 63 | 63 | 55 | 45 | 41 | 36 | 34 | 41 | 50 | 54 | 59 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Moderate | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 65 | Unhealthy |
| Feb | 63 | Unhealthy |
| Mar | 63 | Unhealthy |
| Apr | 55 | Unhealthy |
| May | 45 | Poor |
| Jun | 41 | Poor |
| Jul | 36 | Poor |
| Aug | 34 | Moderate |
| Sep | 41 | Poor |
| Oct | 50 | Poor |
| Nov | 54 | Poor |
| Dec | 59 | Unhealthy |
Where is Uiju?
Uiju sits at 40.2°N, 124.5°E, 26 m above sea level, in North Korea. The nearest listed city is Sinŭiju, 16 km away.
Topography around Uiju
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Uiju.
Within 3 km, the terrain around Uiju has only modest variations in elevation — a maximum elevation change of 120 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 504 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,427 m.
The land around Uiju is covered by cropland (72%) within 3 km, trees (40%) and cropland (37%) within 16 km, and trees (54%) and cropland (24%) within 80 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 Uiju (40.1994°, 124.5317°, elevation 26 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.