Sunch’ŏn weather in April

In April, Sunch’ŏn sees average daytime highs of 16°C and overnight lows near 4°C, with 63 mm of precipitation across 7.6 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 19°C by the end. The sky is clear or mostly clear about 41% 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 Sunch’ŏn's 7th-clearest and 1st-windiest month. For the whole year in context, see Sunch’ŏn's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
63 mm
7.6 wet days
Daylight
13 hours
6:05 AM – 7:08 PM
Cloud cover
52%
7th clearest
Wind
10 km/h
1st windiest
Solar energy
5.3 kWh/m²
Travel score
5.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 19°C by the end.

A typical April day in Sunch’ŏn reaches about 16°C in the afternoon and slips back to 4°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 22°C. Set against its neighbours, April runs about 8°C warmer than March and about 6°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1121
2131
3132
4132
5142
6142
7142
8143
9153
10153
11153
12154
13164
14164
15164
16164
17175
18175
19175
20175
21176
22186
23186
24186
25187
26197
27197
28197
29197
30198

How April really feels in Sunch’ŏn

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Sunch’ŏn weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -12°153.13.49.50.0
Feb / -8°244.23.310.50.0
Mar / -2°325.82.111.71.8
Apr16° / 637.60.5135.3
May22° / 11°1089.1014.16.9
Jun26° / 16°13111.7014.76.3
Jul28° / 21°33018.1014.55.0
Aug28° / 20°27015.7013.55.1
Sep24° / 15°1107.9012.37.1
Oct18° / 577.30116.2
Nov / -1°608.11.49.81.7
Dec / -8°295.94.39.30.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
25941
35941
45941
56040
65941
75941
85941
95941
105941
115941
125743
135743
145743
155743
165743
175644
185644
195644
205545
215545
225545
235446
245446
255446
265446
275446
285446
295347
305347

Chance of precipitation in April

Any precipitationSnow

Sunch’ŏn gets around 63 mm of rain and snow over 7.6 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 26% and peaks near 31% 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 (%)
1183
2193
3193
4193
5203
6203
7213
8213
9222
10222
11232
12242
13251
14251
15261
16271
17271
18281
19291
20291
21290
22300
23300
24300
25310
26310
27310
28310
29310
30310

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 99% 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
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26973
27973
28973
29964
30964

Wind in April

Winds average 10 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:29 AM to 5:46 AM, and sunset from 6:53 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:296:53
212.46:286:54
312.56:266:55
412.56:246:56
512.66:236:57
612.66:216:58
712.66:206:59
812.76:187:00
912.76:167:01
1012.86:157:02
1112.86:137:03
1212.96:127:04
1312.96:107:05
1412.96:097:06
1513.06:077:07
1613.06:057:08
1713.16:047:09
1813.16:027:10
1913.26:017:11
2013.25:597:12
2113.25:587:13
2213.35:577:14
2313.35:557:15
2413.45:547:16
2513.45:527:17
2613.45:517:18
2713.55:507:19
2813.55:487:20
2913.65:477:21
3013.65:467:22

Solar energy in April

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 5.67 kWh/m² in May across the year — April's 5.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Sunch’ŏn

In seasonPeak

In April, Sunch’ŏn sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sunch’ŏn sits in the Pacific typhoon belt; the season peaks July–October.

Sunch’ŏn's rainy season runs July–August, 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 Sunch’ŏn?

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

5.3
Sightseeing
5th-best month of the year
1.1
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sunch’ŏn for sightseeing.

What to pack for Sunch’ŏn in April

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

In April, Sunch’ŏn sees daytime highs around 16°C and nights near 4°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

Sea temperature near Sunch’ŏn in April

The nearest coast averages about 7°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 48 km away) is warmest in August at about 25°C and coldest in February near -0°C.

It's comfortable for a long swim from Jul 3 to Oct 2 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar2Bracing
Apr7Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct18Cool
Nov12Bracing
Dec6Bracing

UV index in Sunch’ŏn in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 Sunch’ŏn 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 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 19UV 8Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr5High
May7High
Jun7High
Jul6High
Aug8Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Sunch’ŏn 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 Sunch’ŏn is worst in January — around 159 µg/m³ PM2.5 (very unhealthy), about 2.3× the cleanest month (July, 70 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 18156 µg/m³Jul 2271 µg/m³
PM2.5 (µg/m³)Level
Jan159Very unhealthy
Feb137Unhealthy
Mar130Unhealthy
Apr111Unhealthy
May95Unhealthy
Jun85Unhealthy
Jul70Unhealthy
Aug73Unhealthy
Sep98Unhealthy
Oct118Unhealthy
Nov126Unhealthy
Dec125Unhealthy
Location & terrain

Where is Sunch’ŏn?

Sunch’ŏn sits at 39.4°N, 125.9°E, 72 m above sea level, in North Korea. The nearest listed city is P’yŏngsŏng, 21 km away.

SinanjuKangdong-ŭpCh’ŏsal-li

Topography around Sunch’ŏn

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

Within 3 km, the terrain around Sunch’ŏn has only modest variations in elevation — a maximum elevation change of 153 m around an average of 60 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 833 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,856 m.

The land around Sunch’ŏn is covered by cropland (36%), artificial surfaces (26%) and trees (20%) within 3 km, cropland (47%) and trees (38%) within 16 km, and trees (47%) and cropland (34%) within 80 km.

3 km
153 m
16 km
833 m
80 km
1,856 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: P’yŏngsŏng 21 km · Paek'ak 28 km · Kaech’ŏn 30 km · Anju 31 km · Sunan 33 km · Sinanju 33 km · Kangdong-ŭp 35 km · Ch’ŏsal-li 37 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 Sunch’ŏn (39.4317°, 125.9328°, elevation 72 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).