Wŏnsan weather in April

In April, Wŏnsan sees average daytime highs of 13°C and overnight lows near 6°C, with 65 mm of precipitation across 7.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 15°C by the end. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Wŏnsan's 7th-clearest and 6th-windiest month. For the whole year in context, see Wŏnsan's year-round climate.

Daytime high
13°
7th warmest
Overnight low
6th coldest
Precipitation
65 mm
7.2 wet days
Daylight
13 hours
6:00 AM – 7:01 PM
Cloud cover
49%
7th clearest
Wind
14 km/h
6th windiest
Solar energy
5.44 kWh/m²
Travel score
3.9
out of 10

Wŏnsan is port city and naval base located in Kangwŏn Province, North Korea.

Founded
1800

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 15°C by the end.

A typical April day in Wŏnsan reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 18°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1104
2104
3114
4114
5114
6114
7115
8115
9125
10125
11125
12125
13126
14136
15136
16136
17136
18137
19147
20147
21147
22147
23148
24158
25158
26158
27158
28159
29169
30169

How April really feels in Wŏnsan

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Wŏnsan weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26238
36238
46238
56238
66238
76238
86139
96139
106139
116139
126040
135941
145941
155941
165842
175842
185842
195941
205941
215941
225842
235842
245842
255743
265743
275743
285743
295644
305644

Chance of precipitation in April

Any precipitationSnow

Wŏnsan gets around 65 mm of rain and snow over 7.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 26% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1185
2195
3195
4205
5204
6214
7214
8224
9224
10234
11233
12243
13253
14253
15253
16262
17262
18262
19262
20262
21261
22261
23261
24261
25261
26261
27250
28260
29260
30260

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
24991
25991
26991
27991
28991
29991
30991

Wind in April

Winds average 14 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:23 AM to 5:40 AM, and sunset from 6:46 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:46
212.46:226:47
312.56:206:48
412.56:196:49
512.66:176:50
612.66:156:51
712.66:146:52
812.76:126:53
912.76:116:54
1012.86:096:55
1112.86:076:56
1212.96:066:57
1312.96:046:58
1412.96:036:59
1513.06:017:00
1613.06:007:01
1713.15:587:02
1813.15:577:03
1913.15:557:04
2013.25:547:05
2113.25:527:06
2213.35:517:07
2313.35:507:08
2413.35:487:09
2513.45:477:10
2613.45:457:11
2713.55:447:12
2813.55:437:13
2913.55:417:14
3013.65:407:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.44 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 5.77 kWh/m² in May across the year — April's 5.44 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Wŏnsan

In seasonPeak

In April, Wŏnsan sits inside 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 April a good time to visit Wŏnsan?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.9
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Wŏnsan.

What to pack for Wŏnsan in April

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

In April, Wŏnsan sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

Sea temperature near Wŏnsan in April

The nearest coast averages about 8°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).