Sunch’ŏn weather in August

In August, Sunch’ŏn sees average daytime highs of 28°C and overnight lows near 20°C, with 270 mm of rain across 15.7 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Sunch’ŏn's 11th-clearest and 9th-windiest month. For the whole year in context, see Sunch’ŏn's year-round climate.

Daytime high
28°
1st warmest
Overnight low
20°
11th coldest
Rainfall
270 mm
15.7 wet days
Daylight
13 h 36 min
5:54 AM – 7:27 PM
Cloud cover
67%
11th clearest
Wind
8 km/h
9th windiest
Solar energy
4.31 kWh/m²
Travel score
5.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 27°C by the end.

A typical August day in Sunch’ŏn reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102921
112921
122921
132921
142921
152921
162821
172821
182820
192820
202820
212820
222820
232820
242819
252719
262719
272719
282719
292718
302718
312718

How August really feels in Sunch’ŏn

Once humidity and wind are folded in, August 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

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

Sunch’ŏn weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43169
53268
63268
73466
83466
93565
103664
113664
123763
133763
143763
153862
163961
173961
183961
193961
204060
214159
224159
234258
244258
254357
264456
274456
284555
294555
304654
314753

Chance of precipitation in August

Any precipitation

Sunch’ŏn gets around 270 mm of rain over 15.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
263
362
461
560
659
758
856
955
1054
1153
1252
1352
1451
1550
1649
1749
1848
1948
2047
2147
2246
2346
2445
2545
2644
2743
2843
2942
3041
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1006216310
200621649
300621649
400621649
501621639
601622629
701723609
801824589
901825579
1001926568
11011028538
12011130508
13011132487
14021234457
15021336427
16031438396
17031440366
18131542335
19141643315
20141744294
21151845274
22251946253
23262146232
24272246212
25372345201
26382544191
27392643171
284102742161
294112940151
305123038140
315143136130

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:39 AM to 6:08 AM, and sunset from 7:45 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:397:45
214.15:407:44
314.05:417:43
414.05:427:42
514.05:437:41
613.95:447:40
713.95:457:39
813.95:467:37
913.85:477:36
1013.85:487:35
1113.75:497:34
1213.75:507:32
1313.75:517:31
1413.65:527:30
1513.65:537:29
1613.65:547:27
1713.55:547:26
1813.55:557:24
1913.45:567:23
2013.45:577:22
2113.45:587:20
2213.35:597:19
2313.36:007:17
2413.26:017:16
2513.26:027:14
2613.26:037:13
2713.16:047:11
2813.16:057:10
2913.06:067:08
3013.06:077:06
3112.96:087:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.31 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 — August's 4.31 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Sunch’ŏn

In seasonPeak

In August, Sunch’ŏn sits inside its pacific typhoon and rainy season 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 August a good time to visit Sunch’ŏn?

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

5.1
Sightseeing
6th-best month of the year
5.9
Beach & pool
3rd-best month of the year

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

What to pack for Sunch’ŏn in August

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

In August, Sunch’ŏn sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Sunch’ŏn in August

The nearest coast averages about 25°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).