Uiju in Spring
In spring (March, April and May), Uiju sees average daytime highs around 15°C and overnight lows near 4°C, with 170 mm of precipitation over about 20 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 5°C in early March to 23°C by late May. The sky is clear or mostly clear about 43% of the time across spring, and the air most often feels dry.
Spring is Uiju's 3rd-best season to visit on our travel score. For the whole year in context, see Uiju's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 4°C
- Precipitation
- 170 mm
- 20 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.5
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Uiju in Spring
Over the season highs climb from about 5°C in early March to 23°C by late May.
A typical spring day in Uiju reaches about 15°C and drops to 4°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Uiju
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 40 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Uiju weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 43% of the time across spring.
Chance of precipitation in Spring
Uiju gets around 170 mm of rain and snow over 20 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Hazard calendar for Uiju
In spring, 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 spring a good time to visit Uiju?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Uiju for sightseeing.
What to pack for Uiju in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Uiju sees daytime highs around 15°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 20 days see rain.
Sea temperature near Uiju in Spring
The nearest coast averages about 7°C across spring — 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 Spring
Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. 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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.