Onsŏng weather in August

In August, Onsŏng sees average daytime highs of 25°C and overnight lows near 17°C, with 129 mm of rain across 12.4 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Onsŏng's 10th-clearest and 11th-windiest month. For the whole year in context, see Onsŏng's year-round climate.

Daytime high
25°
1st warmest
Overnight low
17°
12th coldest
Rainfall
129 mm
12.4 wet days
Daylight
13 h 48 min
5:31 AM – 7:17 PM
Cloud cover
69%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
4.23 kWh/m²
Travel score
6.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical August day in Onsŏng reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122518
132517
142517
152517
162517
172517
182517
192516
202516
212516
222416
232416
242416
252415
262415
272415
282415
292415
302314
312314

How August really feels in Onsŏng

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.

Onsŏng 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-7° / -18°91.51.99.20.0
Feb-3° / -15°102.12.610.20.0
Mar / -7°2354.211.60.4
Apr13° / 437.42.513.13.6
May18° / 7911.80.314.45.6
Jun22° / 13°7611.7015.16.2
Jul25° / 17°13713.1014.86.2
Aug25° / 17°12912.4013.86.3
Sep21° / 10°658.1012.36.8
Oct13° / 406.30.910.84.3
Nov / -6°264.83.49.50.3
Dec-6° / -15°112.738.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% 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 (%)
13268
23268
33367
43367
53466
63466
73466
83466
93664
103664
113664
123763
133862
143862
153763
163763
173763
183763
193862
203862
213862
223961
233961
244159
254159
264258
274258
284357
294456
304456
314654

Chance of precipitation in August

Any precipitation

Onsŏng gets around 129 mm of rain over 12.4 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
540
640
740
840
940
1040
1140
1240
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2440
2540
2640
2740
2839
2939
3039
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
119314613
219314613
319314613
419314513
5110314413
6110324413
7111324313
8112324213
9212334013
10213343912
11214353812
12314353611
13315363511
14416373310
1541738329
1651839308
1761940297
1871940276
1972041265
2082141245
21102241234
22112341223
23122441203
24132541192
25152640172
26172739162
27182738152
28202837141
29222935131
30243034121
31263032111

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:15 AM to 5:48 AM, and sunset from 7:38 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:157:38
214.35:167:36
314.35:177:35
414.35:187:34
514.25:197:33
614.25:207:31
714.25:217:30
814.15:227:29
914.15:237:27
1014.05:247:26
1114.05:257:25
1213.95:277:23
1313.95:287:22
1413.95:297:20
1513.85:307:19
1613.85:317:17
1713.75:327:16
1813.75:337:14
1913.65:347:13
2013.65:357:11
2113.55:377:09
2213.55:387:08
2313.55:397:06
2413.45:407:04
2513.45:417:03
2613.35:427:01
2713.35:436:59
2813.25:446:58
2913.25:466:56
3013.15:476:54
3113.15:486:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.44 kWh/m² in May across the year — August's 4.23 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Onsŏng

In seasonPeak

In August, Onsŏng sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Onsŏng's rainy season runs May–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Onsŏng?

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

6.3
Sightseeing
2nd-best month of the year
5.6
Beach & pool
1st-best month of the year

August is a reasonable time to visit Onsŏng for sightseeing.

What to pack for Onsŏng in August

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

In August, Onsŏng sees daytime highs around 25°C and nights near 17°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Onsŏng in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Onsŏng peaks around August 19 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowAug 19UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun7High
Jul5High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Onsŏng 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 Onsŏng is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (August, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1746 µg/m³Aug 1417 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb37Poor
Mar47Poor
Apr36Poor
May28Moderate
Jun22Moderate
Jul19Moderate
Aug17Moderate
Sep21Moderate
Oct26Moderate
Nov29Moderate
Dec29Moderate
Location & terrain

Where is Onsŏng?

Onsŏng sits at 43.0°N, 130.0°E, 83 m above sea level, in North Korea. The nearest listed city is Namyang-nodongjagu, 11 km away.

ŬndŏkAoji-riHoeryŏngSŏnbongUnggiRajin

Topography around Onsŏng

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

Within 3 km, the terrain around Onsŏng has only modest variations in elevation — a maximum elevation change of 172 m around an average of 94 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 762 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,475 m.

The land around Onsŏng is covered by cropland (82%) within 3 km, trees (61%) and cropland (27%) within 16 km, and trees (76%) within 80 km.

3 km
172 m
16 km
762 m
80 km
1,475 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Namyang-nodongjagu 11 km · Namyang 11 km · Ŭndŏk 56 km · Aoji-ri 59 km · Hoeryŏng 61 km · Sŏnbong 75 km · Unggi 76 km · Rajin 82 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 Onsŏng (42.9572°, 129.9933°, elevation 83 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. 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).