Hwacheon weather in August

In August, Hwacheon sees average daytime highs of 28°C and overnight lows near 20°C, with 273 mm of rain across 16.2 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 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 20% of the time in August, and the air most often feels oppressive.

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

Daytime high
28°
1st warmest
Overnight low
20°
12th coldest
Rainfall
273 mm
16.2 wet days
Daylight
13 h 30 min
5:49 AM – 7:18 PM
Cloud cover
68%
11th clearest
Wind
6 km/h
9th windiest
Solar energy
4.1 kWh/m²
Travel score
5.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 26°C by the end.

A typical August day in Hwacheon reaches about 28°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°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)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152821
162821
172820
182820
192720
202720
212720
222720
232720
242719
252719
262719
272619
282619
292618
302618
312618

How August really feels in Hwacheon

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.

Hwacheon 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 / -9°224.149.70.0
Feb / -6°274.83.510.50.1
Mar10° / -1°4372.911.72.2
Apr16° / 748.30.5135.4
May22° / 10°1008.80146.8
Jun25° / 16°12310.3014.66.6
Jul27° / 20°31617.4014.45.2
Aug28° / 20°27316.2013.55.3
Sep24° / 15°1268.4012.37.0
Oct18° / 555.70116.5
Nov10° / 487.21.29.92.4
Dec / -6°265.23.79.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23367
33466
43565
53565
63664
73664
83664
93664
103763
113763
123664
133763
143763
153664
163664
173466
183565
193565
203466
213466
223565
233565
243565
253664
263763
273763
283862
294060
304060
314159

Chance of precipitation in August

Any precipitation

Hwacheon gets around 273 mm of rain over 16.2 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 52% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
259
358
457
557
656
756
855
955
1054
1153
1253
1352
1452
1552
1651
1751
1851
1951
2051
2151
2250
2350
2449
2549
2648
2747
2846
2945
3044
3143

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101726642
201725652
301725652
401725652
501824652
601825642
702925622
802926612
9021027592
10021128572
11021230542
12021331522
13021432502
14021534472
15031635451
16031736421
17031938391
18042039361
19042239341
20142340311
21152540291
22162640270
23162839250
24172939230
25283138220
26293237200
272103435180
282113534170
293133633150
303143831140
314153929130

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 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
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours 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 66 minutes over August. Sunrise moves from 5:35 AM to 6:02 AM, and sunset from 7:35 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:357:35
214.05:367:34
313.95:377:33
413.95:387:32
513.95:397:31
613.85:407:30
713.85:417:29
813.85:417:28
913.75:427:27
1013.75:437:25
1113.75:447:24
1213.65:457:23
1313.65:467:22
1413.65:477:20
1513.55:487:19
1613.55:497:18
1713.55:507:17
1813.45:507:15
1913.45:517:14
2013.35:527:13
2113.35:537:11
2213.35:547:10
2313.25:557:08
2413.25:567:07
2513.15:577:05
2613.15:587:04
2713.15:587:02
2813.05:597:01
2913.06:006:59
3012.96:016:58
3112.96:026:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.1 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.68 kWh/m² in May across the year — August's 4.1 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Hwacheon

In seasonPeak

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

Hwacheon's rainy season runs July–August, 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 Hwacheon?

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

5.3
Sightseeing
6th-best month of the year
5.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Hwacheon for sightseeing.

What to pack for Hwacheon in August

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

In August, Hwacheon 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

UV index in Hwacheon 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 Hwacheon peaks around August 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 17UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul7Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Hwacheon 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 Hwacheon is worst in March — around 67 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 37 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorMar 1967 µg/m³Aug 1237 µg/m³
PM2.5 (µg/m³)Level
Jan61Unhealthy
Feb59Unhealthy
Mar67Unhealthy
Apr63Unhealthy
May53Poor
Jun46Poor
Jul38Poor
Aug37Poor
Sep40Poor
Oct52Poor
Nov56Unhealthy
Dec51Poor
Location & terrain

Where is Hwacheon?

Hwacheon sits at 38.1°N, 127.7°E, 115 m above sea level, in South Korea. The nearest listed city is Yanggu, 25 km away.

GapyeongCheorwonHongch’ŏnHwadoYangjuHoeyang

Topography around Hwacheon

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

Within 3 km, the terrain around Hwacheon has significant variations in elevation — a maximum elevation change of 494 m around an average of 210 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,108 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,646 m.

The land around Hwacheon is covered by trees (68%) within 3 km, trees (88%) within 16 km, and trees (79%) within 80 km.

3 km
494 m
16 km
1,108 m
80 km
1,646 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Yanggu 25 km · Chuncheon 26 km · Gapyeong 35 km · Cheorwon 44 km · Hongch’ŏn 49 km · Hwado 61 km · Yangju 64 km · Hoeyang 68 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 Hwacheon (38.1071°, 127.7063°, elevation 115 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).