Gwangyang weather in August

In August, Gwangyang sees average daytime highs of 29°C and overnight lows near 23°C, with 286 mm of rain across 16.4 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 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 25% 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 Gwangyang's 10th-clearest and 8th-windiest month. For the whole year in context, see Gwangyang's year-round climate.

Daytime high
29°
1st warmest
Overnight low
23°
12th coldest
Rainfall
286 mm
16.4 wet days
Daylight
13 h 18 min
5:54 AM – 7:13 PM
Cloud cover
66%
10th clearest
Wind
9 km/h
8th windiest
Solar energy
4.69 kWh/m²
Travel score
4.8
out of 10

Gwangyang is city of Jeollanam-do, South Korea.

Density
336/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 30°C in the first days to 28°C by the end.

A typical August day in Gwangyang reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
92924
102924
112924
122924
132924
142924
152924
162923
172923
182923
192923
202923
212923
222823
232823
242822
252822
262822
272822
282822
292822
302822
312821

How August really feels in Gwangyang

Once humidity and wind are folded in, August averages 19 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
19
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.

Gwangyang 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°303.90.99.90.4
Feb / -1°444.70.710.71.5
Mar13° / 827.30.611.73.7
Apr18° / 1278.5012.96.0
May22° / 14°1448.1013.87.0
Jun25° / 19°19510.2014.36.5
Jul28° / 23°30917.1014.14.9
Aug29° / 23°28616.4013.34.8
Sep26° / 18°17010.1012.26.7
Oct21° / 12°704.6011.17.5
Nov14° / 475.20.110.24.9
Dec / -1°283.60.49.71.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74159
84159
94060
104060
113961
123961
133961
143961
153961
163961
173961
183961
193862
203961
213961
223961
233961
243961
253961
263961
273961
283961
293961
303862
313862

Chance of precipitation in August

Any precipitation

Gwangyang gets around 286 mm of rain over 16.4 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 52% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
253
354
454
555
655
755
855
955
1055
1155
1255
1355
1455
1554
1654
1753
1853
1952
2052
2152
2251
2351
2450
2550
2650
2749
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 43% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101104444
201104445
301104445
401104346
501104346
601114246
701114245
801124245
901124344
1001134342
1101144441
1202154440
1302154538
1402174537
1502184535
1602194533
1703204531
1803224530
1904234528
2005244525
2105264523
2206274521
2317284520
2418294418
2519314316
26111324214
27112334113
28113353911
29215363810
3021637369
3121837358

Wind in August

Winds average 9 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
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:42 AM to 6:05 AM, and sunset from 7:28 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:427:28
213.75:437:28
313.75:447:27
413.75:447:26
513.75:457:25
613.65:467:24
713.65:477:23
813.65:477:22
913.55:487:21
1013.55:497:20
1113.55:507:19
1213.55:517:18
1313.45:517:16
1413.45:527:15
1513.45:537:14
1613.35:547:13
1713.35:547:12
1813.35:557:11
1913.25:567:09
2013.25:577:08
2113.25:577:07
2213.15:587:06
2313.15:597:04
2413.16:007:03
2513.06:017:02
2613.06:017:00
2712.96:026:59
2812.96:036:58
2912.96:046:56
3012.86:046:55
3112.86:056:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.69 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 5.8 kWh/m² in May across the year — August's 4.69 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Gwangyang

In seasonPeak

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

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

Gwangyang's rainy season runs May–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 Gwangyang?

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

4.8
Sightseeing
8th-best month of the year
5.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Gwangyang for sightseeing.

What to pack for Gwangyang in August

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

In August, Gwangyang sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Gwangyang in August

The nearest coast averages about 26°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 36 km away) is warmest in August at about 26°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 20 to Oct 22 — about 4.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr13Bracing
May16Cool
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec14Bracing

UV index in Gwangyang 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 Gwangyang peaks around August 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 highModerateAug 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Gwangyang 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 Gwangyang is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1856 µg/m³Jul 2229 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb47Poor
Mar57Unhealthy
Apr49Poor
May42Poor
Jun38Poor
Jul28Moderate
Aug30Moderate
Sep37Poor
Oct40Poor
Nov44Poor
Dec39Poor
Location & terrain

Where is Gwangyang?

Gwangyang sits at 34.9°N, 127.7°E, 24 m above sea level, in South Korea. The nearest listed city is Kwangyang, 10 km away.

KuryeChinjuGoseong

Topography around Gwangyang

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

Within 3 km, the terrain around Gwangyang has significant variations in elevation — a maximum elevation change of 487 m around an average of 67 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,005 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Gwangyang is covered by trees (43%) and artificial surfaces (32%) within 3 km, trees (48%) and water (23%) within 16 km, and trees (53%) and water (34%) within 80 km.

3 km
487 m
16 km
1,005 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kwangyang 10 km · Hadong 15 km · Suncheon 19 km · Yeosu 20 km · Beolgyo 34 km · Kurye 36 km · Chinju 45 km · Goseong 57 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 Gwangyang (34.9414°, 127.6957°, elevation 24 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).