Hwasun weather in August

In August, Hwasun sees average daytime highs of 30°C and overnight lows near 22°C, with 247 mm of rain across 16.3 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 28°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Hwasun's 10th-clearest and 9th-windiest month. For the whole year in context, see Hwasun's year-round climate.

Daytime high
30°
1st warmest
Overnight low
22°
12th coldest
Rainfall
247 mm
16.3 wet days
Daylight
13 h 18 min
5:56 AM – 7:16 PM
Cloud cover
67%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
4.6 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 28°C by the end.

A typical August day in Hwasun reaches about 30°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173022
183022
192922
202922
212922
222922
232922
242921
252921
262921
272921
282821
292821
302820
312820

How August really feels in Hwasun

Once humidity and wind are folded in, August averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Hwasun 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 / -3°284.61.99.90.1
Feb / -2°375.31.110.71.3
Mar13° / 707.60.811.73.8
Apr19° / 948.1012.96.3
May23° / 12°1068.4013.87.1
Jun27° / 17°16810.4014.36.2
Jul29° / 22°26617.2014.14.5
Aug30° / 22°24716.3013.34.4
Sep26° / 17°1429.8012.26.6
Oct21° / 10°574.7011.17.5
Nov14° / 4860.110.24.7
Dec / -2°294.21.19.71.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34159
44159
54159
64159
74060
84159
94060
103961
113961
123961
133961
143961
153862
163862
173862
183862
193862
203763
213763
223763
233664
243763
253763
263664
273763
283763
293763
303862
313961

Chance of precipitation in August

Any precipitation

Hwasun gets around 247 mm of rain over 16.3 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 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
151
252
352
452
553
653
753
853
953
1053
1153
1253
1353
1454
1554
1654
1754
1854
1954
2053
2153
2253
2352
2452
2551
2651
2750
2849
2949
3048
3147

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1001125433
2001125334
3001125334
4001125334
5001125334
6001125334
7002125234
8002135233
9002135332
10002145331
11002155330
12002165428
13003175327
14003185425
15003195424
16003215323
17004225321
18004245220
19005255218
20006265117
21006285016
22007294914
23018314713
240110324612
250111334411
260112344210
27011435409
28021636398
29021736377
30021937356
31132137336

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
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 13 h 48 min at the start of August to 12 h 48 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 5:45 AM to 6:08 AM, and sunset from 7:32 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:457:32
213.85:457:31
313.75:467:30
413.75:477:29
513.75:487:28
613.65:487:27
713.65:497:26
813.65:507:25
913.65:517:24
1013.55:527:23
1113.55:527:22
1213.55:537:21
1313.45:547:20
1413.45:557:18
1513.45:557:17
1613.35:567:16
1713.35:577:15
1813.35:587:14
1913.25:597:12
2013.25:597:11
2113.26:007:10
2213.16:017:09
2313.16:027:07
2413.16:027:06
2513.06:037:05
2613.06:047:03
2713.06:057:02
2812.96:067:01
2912.96:066:59
3012.86:076:58
3112.86:086:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.6 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 5.76 kWh/m² in May across the year — August's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Hwasun

In seasonPeak

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

Hwasun sits in the Pacific typhoon belt; the season peaks July–October.

Hwasun's rainy season runs June–September, 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 Hwasun?

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

4.4
Sightseeing
8th-best month of the year
5.8
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Hwasun for sightseeing.

What to pack for Hwasun in August

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

In August, Hwasun sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Hwasun 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 66 km away) is warmest in August at about 25°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 26 to Oct 11 — about 3.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb6Bracing
Mar7Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Hwasun in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hwasun peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 12UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Hwasun 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 Hwasun is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1960 µg/m³Aug 1129 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb48Poor
Mar61Unhealthy
Apr54Poor
May45Poor
Jun39Poor
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct35Moderate
Nov38Poor
Dec34Moderate
Location & terrain

Where is Hwasun?

Hwasun sits at 35.1°N, 127.0°E, 75 m above sea level, in South Korea. The nearest listed city is Gwangju, 12 km away.

YeongamBeolgyo

Topography around Hwasun

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

Within 3 km, the terrain around Hwasun has significant variations in elevation — a maximum elevation change of 558 m around an average of 170 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,167 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Hwasun is covered by trees (68%) within 3 km, trees (73%) within 16 km, and trees (53%), cropland (21%) and water (21%) within 80 km.

3 km
558 m
16 km
1,167 m
80 km
1,875 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Gwangju 12 km · Masan 16 km · Naju 25 km · Damyang 29 km · Jangseong 32 km · Boseong 33 km · Yeongam 39 km · Beolgyo 40 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 Hwasun (35.0613°, 126.9875°, elevation 75 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).