Onsŏng in Spring
In spring (March, April and May), Onsŏng sees average daytime highs around 12°C and overnight lows near 0°C, with 144 mm of precipitation over about 24 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 1°C in early March to 20°C by late May. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels dry.
Spring is Onsŏng's 3rd-best season to visit on our travel score. For the whole year in context, see Onsŏng's year-round climate.
- Avg daytime high
- 12°C
- 3rd-warmest season
- Avg overnight low
- 0°C
- Precipitation
- 144 mm
- 24 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Onsŏng in Spring
Over the season highs climb from about 1°C in early March to 20°C by late May.
A typical spring day in Onsŏng reaches about 12°C and drops to 0°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Onsŏng
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 54 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Onsŏng 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 | -7° / -18° | 9 | 1.5 | 1.9 | 9.2 | 0.0 |
| Feb | -3° / -15° | 10 | 2.1 | 2.6 | 10.2 | 0.0 |
| Mar | 4° / -7° | 23 | 5 | 4.2 | 11.6 | 0.4 |
| Apr | 13° / 1° | 43 | 7.4 | 2.5 | 13.1 | 3.6 |
| May | 18° / 7° | 79 | 11.8 | 0.3 | 14.4 | 5.6 |
| Jun | 22° / 13° | 76 | 11.7 | 0 | 15.1 | 6.2 |
| Jul | 25° / 17° | 137 | 13.1 | 0 | 14.8 | 6.2 |
| Aug | 25° / 17° | 129 | 12.4 | 0 | 13.8 | 6.3 |
| Sep | 21° / 10° | 65 | 8.1 | 0 | 12.3 | 6.8 |
| Oct | 13° / 2° | 40 | 6.3 | 0.9 | 10.8 | 4.3 |
| Nov | 3° / -6° | 26 | 4.8 | 3.4 | 9.5 | 0.3 |
| Dec | -6° / -15° | 11 | 2.7 | 3 | 8.9 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
Onsŏng gets around 144 mm of rain and snow over 24 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 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 14 h 54 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 5.1 kWh/m².
Hazard calendar for Onsŏng
In spring, Onsŏng overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Onsŏng's rainy season runs May–September, when most of the year's rain falls.
Is spring a good time to visit Onsŏng?
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 weaker month for outdoor sightseeing in Onsŏng.
What to pack for Onsŏng in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Onsŏng sees daytime highs around 12°C and nights near 0°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 24 days see rain.
UV index in Onsŏng 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 7 | 5 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | High | High | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 7 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Onsŏng 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 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 35 | 37 | 47 | 36 | 28 | 22 | 19 | 17 | 21 | 26 | 29 | 29 |
| Level | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 35 | Moderate |
| Feb | 37 | Poor |
| Mar | 47 | Poor |
| Apr | 36 | Poor |
| May | 28 | Moderate |
| Jun | 22 | Moderate |
| Jul | 19 | Moderate |
| Aug | 17 | Moderate |
| Sep | 21 | Moderate |
| Oct | 26 | Moderate |
| Nov | 29 | Moderate |
| Dec | 29 | Moderate |
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.
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.
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.