Suncheon weather in August

In August, Suncheon sees average daytime highs of 29°C and overnight lows near 22°C, with 288 mm of rain across 17.1 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 24% 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 Suncheon's 10th-clearest and 10th-windiest month. For the whole year in context, see Suncheon's year-round climate.

Daytime high
29°
1st warmest
Overnight low
22°
12th coldest
Rainfall
288 mm
17.1 wet days
Daylight
13 h 18 min
5:54 AM – 7:14 PM
Cloud cover
67%
10th clearest
Wind
8 km/h
10th windiest
Solar energy
4.58 kWh/m²
Travel score
4.6
out of 10

Suncheon is city in South Korea.

Density
305/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 Suncheon reaches about 29°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 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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
132923
142923
152923
162923
172923
182922
192922
202922
212922
222922
232922
242822
252822
262821
272821
282821
292821
302821
312821

How August really feels in Suncheon

Once humidity and wind are folded in, August averages 18 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
18
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.

Suncheon 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 / -4°294.119.90.2
Feb / -2°424.80.810.71.4
Mar13° / 797.50.711.73.8
Apr18° / 1208.4012.96.2
May23° / 13°1398.3013.87.0
Jun26° / 18°19410.7014.36.3
Jul28° / 22°32117.9014.14.7
Aug29° / 22°28817.1013.34.6
Sep26° / 17°16010.3012.26.6
Oct21° / 10°664.7011.17.5
Nov14° / 475.50.110.24.8
Dec / -2°283.80.69.71.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
34060
43961
54060
64060
73961
83961
93961
103961
113862
123862
133862
143862
153763
163763
173763
183862
193862
203862
213862
223862
233862
243862
253862
263862
273961
283961
293961
303961
314060

Chance of precipitation in August

Any precipitation

Suncheon gets around 288 mm of rain over 17.1 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 55% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
255
356
456
557
657
757
857
957
1057
1157
1257
1357
1457
1557
1657
1756
1856
1956
2055
2155
2255
2354
2453
2553
2652
2751
2851
2950
3049
3148

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
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101125631
201115632
301115632
401125433
501125433
601125433
701135333
801135333
902145232
1002155231
1102165230
1202175328
1302185327
1402195326
1503215224
1603225223
1704245121
1804255219
1905275018
2005285116
2106304915
2207314813
2318324712
24110334611
25111344410
2611235429
2711436408
2821637397
2921837377
3022037356
3132238335

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
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 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 5:43 AM to 6:06 AM, and sunset from 7:29 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:437:29
213.75:447:28
313.75:447:28
413.75:457:27
513.75:467:26
613.65:477:25
713.65:477:24
813.65:487:23
913.55:497:22
1013.55:507:21
1113.55:517:20
1213.55:517:18
1313.45:527:17
1413.45:537:16
1513.45:547:15
1613.35:547:14
1713.35:557:13
1813.35:567:11
1913.25:577:10
2013.25:587:09
2113.25:587:08
2213.15:597:06
2313.16:007:05
2413.16:017:04
2513.06:017:02
2613.06:027:01
2712.96:037:00
2812.96:046:58
2912.96:046:57
3012.86:056:56
3112.86:066:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.58 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.76 kWh/m² in May across the year — August's 4.58 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Suncheon

In seasonPeak

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

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

Suncheon'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 Suncheon?

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

4.6
Sightseeing
8th-best month of the year
5.8
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Suncheon for sightseeing.

What to pack for Suncheon in August

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

In August, Suncheon sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Suncheon 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 38 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 Suncheon 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 Suncheon 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 Suncheon 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 Suncheon 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 Suncheon?

Suncheon sits at 35.0°N, 127.5°E, 19 m above sea level, in South Korea. The nearest listed city is Kwangyang, 10 km away.

BoseongHwasun

Topography around Suncheon

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

Within 3 km, the terrain around Suncheon has significant variations in elevation — a maximum elevation change of 416 m around an average of 91 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 863 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Suncheon is covered by trees (54%) and artificial surfaces (36%) within 3 km, trees (67%) within 16 km, and trees (55%) and water (29%) within 80 km.

3 km
416 m
16 km
863 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kwangyang 10 km · Beolgyo 18 km · Gwangyang 19 km · Yeosu 26 km · Hadong 27 km · Kurye 29 km · Boseong 42 km · Hwasun 47 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 Suncheon (34.9505°, 127.4878°, elevation 19 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).