Wŏnsan in Spring

In spring (March, April and May), Wŏnsan sees average daytime highs around 13°C and overnight lows near 6°C, with 211 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 5°C in early March to 20°C by late May. The sky is clear or mostly clear about 45% of the time across spring, and the air most often feels dry.

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

Avg daytime high
13°C
3rd-warmest season
Avg overnight low
6°C
Precipitation
211 mm
22 wet days
Avg wind
13 km/h
Travel score
3.7
3rd-best season
Months
Mar · Apr · May

Temperature in Wŏnsan in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 5°C in early March to 20°C by late May.

A typical spring day in Wŏnsan reaches about 13°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.

-10°10°20°30°MarAprMay

How spring really feels in Wŏnsan

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 31 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

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

Wŏnsan 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°365.24.79.60.0
Feb / -4°334.73.910.50.0
Mar / 426.43.611.71.1
Apr13° / 657.20.8133.9
May18° / 12°1048.3014.16.2
Jun22° / 17°11610014.76.5
Jul25° / 21°25314.6014.56.0
Aug26° / 22°25515.5013.55.8
Sep22° / 18°1519.9012.36.7
Oct17° / 11°777.90115.9
Nov10° / 848.11.29.92.4
Dec / -2°425.23.29.30.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Wŏnsan gets around 211 mm of rain and snow over 22 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%MarAprMay

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.

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 13 km/h across spring.

05101520MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 hours in early March to 14 h 30 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².

0246MarAprMay
Planning a trip in spring

Hazard calendar for Wŏnsan

In seasonPeak

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

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

Wŏnsan's rainy season runs June–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 Wŏnsan?

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.

3.7
Sightseeing
3rd-best month of the year
0.8
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Wŏnsan.

What to pack for Wŏnsan in Spring

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

In spring, Wŏnsan sees daytime highs around 13°C and nights near 6°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 Wŏnsan in Spring

The nearest coast averages about 9°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 16 km away) is warmest in August at about 24°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 1 to Sep 30 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct18Cool
Nov13Bracing
Dec9Bracing

UV index in Wŏnsan 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 Wŏnsan peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighHighVery highHighModerateLowAug 18UV 8Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May6High
Jun7Very high
Jul6High
Aug8Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Wŏnsan 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 Wŏnsan is worst in March — around 67 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (July, 28 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 1467 µg/m³Jul 2428 µg/m³
PM2.5 (µg/m³)Level
Jan66Unhealthy
Feb63Unhealthy
Mar67Unhealthy
Apr59Unhealthy
May47Poor
Jun36Poor
Jul28Moderate
Aug28Moderate
Sep34Moderate
Oct49Poor
Nov53Poor
Dec52Poor
Location & terrain

Where is Wŏnsan?

Wŏnsan sits at 39.2°N, 127.4°E, 7 m above sea level, in North Korea. The nearest listed city is Anbyŏn-ŭp, 14 km away.

KosanKowŏn-ŭpT’ongch’ŏn-ŭpHoeyangHŭngnamHamhŭngSamho-rodongjagu

Topography around Wŏnsan

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

Within 3 km, the terrain around Wŏnsan has significant variations in elevation — a maximum elevation change of 323 m around an average of 43 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,086 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,626 m.

The land around Wŏnsan is covered by artificial surfaces (38%), trees (26%) and water (24%) within 3 km, water (35%), trees (32%) and cropland (23%) within 16 km, and trees (54%) and water (25%) within 80 km.

3 km
323 m
16 km
1,086 m
80 km
1,626 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Spring weather nearby: Anbyŏn-ŭp 14 km · Kosan 33 km · Kowŏn-ŭp 36 km · T’ongch’ŏn-ŭp 45 km · Hoeyang 51 km · Hŭngnam 78 km · Hamhŭng 85 km · Samho-rodongjagu 96 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 Wŏnsan (39.1528°, 127.4436°, elevation 7 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.