Wŏnju weather in August

In August, Wŏnju sees average daytime highs of 28°C and overnight lows near 21°C, with 228 mm of rain across 15.9 wet days and about 13.4 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 19% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Wŏnju's 11th-clearest and 9th-windiest month. For the whole year in context, see Wŏnju's year-round climate.

Daytime high
28°
1st warmest
Overnight low
21°
12th coldest
Rainfall
228 mm
15.9 wet days
Daylight
13 h 24 min
5:49 AM – 7:16 PM
Cloud cover
69%
11th clearest
Wind
7 km/h
9th windiest
Solar energy
4.16 kWh/m²
Travel score
5.1
out of 10

Wŏnju is city in South Korea.

Density
384/km²
people per km²

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

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 Wŏnju reaches about 28°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°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
102922
112921
122921
132921
142921
152821
162821
172821
182821
192820
202820
212820
222820
232720
242720
252719
262719
272719
282719
292719
302718
312618

How August really feels in Wŏnju

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.

Wŏnju 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 / -8°244.53.79.70.0
Feb / -5°334.62.910.60.2
Mar10° / -0°547.82.811.72.6
Apr17° / 888.10.212.95.7
May22° / 11°10290146.9
Jun26° / 16°1299.4014.56.6
Jul28° / 20°28617.4014.35.0
Aug28° / 21°22815.9013.45.1
Sep24° / 15°1318.7012.36.9
Oct19° / 585.80116.7
Nov11° / 477.20.7102.9
Dec / -5°285.53.19.50.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23565
33565
43664
53664
63763
73763
83862
93862
103862
113862
123862
133763
143763
153763
163763
173763
183763
193763
203664
213565
223565
233565
243565
253664
263565
273565
283565
293664
303664
313862

Chance of precipitation in August

Any precipitation

Wŏnju gets around 228 mm of rain over 15.9 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 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
552
652
752
852
952
1051
1151
1251
1351
1451
1551
1652
1752
1852
1952
2052
2152
2251
2351
2450
2550
2649
2748
2847
2946
3045
3144

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100628642
200627652
300627652
401727632
501727632
601728622
701828612
801829602
901930582
1001931572
11011032552
12011133532
13021234502
14021336482
15021537452
16021637432
17031738402
18031939382
19042039361
20042239331
21052339311
22162439291
23172639271
24182738251
25192838231
261103037221
272113136201
282133234191
292143333171
303153432161
313173530150

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 13 h 54 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 60 minutes over August. Sunrise moves from 5:36 AM to 6:02 AM, and sunset from 7:32 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:367:32
213.95:377:32
313.95:387:31
413.85:397:30
513.85:397:29
613.85:407:27
713.85:417:26
813.75:427:25
913.75:437:24
1013.75:447:23
1113.65:457:22
1213.65:457:21
1313.65:467:19
1413.55:477:18
1513.55:487:17
1613.45:497:16
1713.45:507:14
1813.45:517:13
1913.35:517:12
2013.35:527:10
2113.35:537:09
2213.25:547:08
2313.25:557:06
2413.25:567:05
2513.15:577:04
2613.15:587:02
2713.05:587:01
2813.05:596:59
2913.06:006:58
3012.96:016:56
3112.96:026:55

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.16 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.77 kWh/m² in May across the year — August's 4.16 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Wŏnju

In seasonPeak

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

Wŏnju's rainy season runs June–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 Wŏnju?

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
2nd-best month of the year

August is a reasonable time to visit Wŏnju for sightseeing.

What to pack for Wŏnju in August

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

In August, Wŏnju sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

UV index in Wŏnju in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wŏnju peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 14UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Wŏnju 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 Wŏnju is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 31 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1856 µg/m³Aug 1731 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb49Poor
Mar57Unhealthy
Apr51Poor
May46Poor
Jun41Poor
Jul33Moderate
Aug31Moderate
Sep32Moderate
Oct41Poor
Nov46Poor
Dec43Poor
Location & terrain

Where is Wŏnju?

Wŏnju sits at 37.4°N, 127.9°E, 133 m above sea level, in South Korea. The nearest listed city is Yeoju, 28 km away.

Hongch’ŏnPubalPyeongchangChungjuYangp'yŏngIcheon-siNeietsu

Topography around Wŏnju

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

Within 3 km, the terrain around Wŏnju has only modest variations in elevation — a maximum elevation change of 224 m around an average of 153 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,209 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,541 m.

The land around Wŏnju is covered by artificial surfaces (51%) and trees (33%) within 3 km, trees (78%) within 16 km, and trees (82%) within 80 km.

3 km
224 m
16 km
1,209 m
80 km
1,541 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Yeoju 28 km · Hongch’ŏn 38 km · Pubal 39 km · Pyeongchang 40 km · Chungju 42 km · Yangp'yŏng 43 km · Icheon-si 45 km · Neietsu 50 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

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 Wŏnju (37.3514°, 127.9453°, elevation 133 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).