Sŏnbong in Spring

In spring (March, April and May), Sŏnbong sees average daytime highs around 10°C and overnight lows near 3°C, with 150 mm of precipitation over about 22 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 2°C in early March to 16°C by late May. The sky is clear or mostly clear about 31% of the time across spring, and the air most often feels dry.

Spring is Sŏnbong's 3rd-best season to visit on our travel score. For the whole year in context, see Sŏnbong's year-round climate.

Avg daytime high: 10°C; 3rd-warmest season
Avg overnight low: 3°C
Precipitation: 150 mm; 22 wet days
Avg wind: 12 km/h
Travel score: 2.4; 3rd-best season
Months: Mar · Apr · May

← Winter Sŏnbong year-round climate Summer →

Spring Summer Fall Winter

Temperature in Sŏnbong in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 2°C in early March to 16°C by late May.

A typical spring day in Sŏnbong reaches about 10°C and drops to 3°C overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Sŏnbong

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 45 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

4 feel bitter (≤ -10°C)

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

Sŏnbong 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	-4° / -10°	16	2.4	2.7	9.3	0.0
Feb	-1° / -8°	14	2.7	2.7	10.3	0.0
Mar	4° / -2°	25	4.6	2.9	11.6	0.3
Apr	10° / 3°	43	6.7	1.3	13.1	2.5
May	15° / 9°	83	10.7	0.1	14.4	4.3
Jun	19° / 14°	80	9.8	0	15	5.7
Jul	22° / 18°	143	12.3	0	14.8	6.1
Aug	24° / 20°	140	12.4	0	13.7	6.4
Sep	21° / 15°	86	7.7	0	12.3	6.9
Oct	15° / 8°	45	5.7	0.3	10.8	5.3
Nov	6° / -1°	35	4.6	2.2	9.6	0.9
Dec	-1° / -8°	17	3.7	3.4	9	0.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time across spring.

Chance of precipitation in Spring

Any precipitationSnow

Sŏnbong gets around 150 mm of rain and snow over 22 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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 12 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 10 h 54 min in early March to 14 h 48 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.1 kWh/m².

Planning a trip in spring

Hazard calendar for Sŏnbong

In seasonPeak

In spring, Sŏnbong overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Sŏnbong sits in the Pacific typhoon belt; the season peaks July–October.

Sŏnbong's rainy season runs May–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 spring a good time to visit Sŏnbong?

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.

2.4

Sightseeing

3rd-best month of the year

0.1

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Sŏnbong.

What to pack for Sŏnbong in Spring

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

In spring, Sŏnbong sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 22 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Sŏnbong in Spring

The nearest coast averages about 6°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 25 km away) is warmest in August at about 22°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 31 to Sep 8 — about 1.3 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	3	3	3	5	9	14	19	22	20	16	11	7
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Refreshing	Cool	Cool	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	3	Bracing
Feb	3	Bracing
Mar	3	Bracing
Apr	5	Bracing
May	9	Bracing
Jun	14	Bracing
Jul	19	Cool
Aug	22	Refreshing
Sep	20	Cool
Oct	16	Cool
Nov	11	Bracing
Dec	7	Bracing

UV index in Sŏnbong in Spring

LowModerateHighVery highExtreme

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 Sŏnbong peaks around August 19 at about 8 (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	Moderate	High	High	Moderate	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	5	Moderate
May	7	High
Jun	7	High
Jul	5	Moderate
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Sŏnbong in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sŏnbong is worst in March — around 41 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (August, 10 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)	22	34	41	36	21	11	10	10	10	14	17	16
Level	Moderate	Moderate	Poor	Poor	Moderate	Good	Good	Good	Good	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	22	Moderate
Feb	34	Moderate
Mar	41	Poor
Apr	36	Poor
May	21	Moderate
Jun	11	Good
Jul	10	Good
Aug	10	Good
Sep	10	Good
Oct	14	Moderate
Nov	17	Moderate
Dec	16	Moderate

Location & terrain

Where is Sŏnbong?

Sŏnbong sits at 42.4°N, 130.4°E, 12 m above sea level, in North Korea. The nearest listed city is Unggi, 3.0 km away.

Topography around Sŏnbong

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

Within 3 km, the terrain around Sŏnbong has significant variations in elevation — a maximum elevation change of 493 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,137 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,584 m.

The land around Sŏnbong is covered by cropland (40%) and trees (31%) within 3 km, trees (61%) and water (23%) within 16 km, and trees (46%) and water (32%) within 80 km.

3 km

493 m

cropland 40%

16 km

1,137 m

trees 61%

80 km

1,584 m

trees 46%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← Winter Sŏnbong year-round climate Summer →

Spring weather nearby: Unggi 3.0 km · Rajin 13 km · Aoji-ri 19 km · Ŭndŏk 19 km · Hoeryŏng 53 km · Puryŏng-ŭp 64 km · Onsŏng 75 km · Namyang 79 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 Sŏnbong (42.3512°, 130.3831°, elevation 12 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.