Yeosu weather in October

In October, Yeosu sees average daytime highs of 20°C and overnight lows near 16°C, with 71 mm of rain across 4.7 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 17°C by the end. The sky is clear or mostly clear about 55% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Yeosu's 2nd-clearest and 8th-windiest month. For the whole year in context, see Yeosu's year-round climate.

Daytime high
20°
5th warmest
Overnight low
16°
8th coldest
Rainfall
71 mm
4.7 wet days
Daylight
11 h 06 min
6:41 AM – 5:48 PM
Cloud cover
41%
2nd clearest
Wind
16 km/h
8th windiest
Solar energy
3.95 kWh/m²
Travel score
7.3
out of 10

Yeosu is city in South Korea.

Density
534/km²
people per km²
Founded
~940 CE

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 17°C by the end.

A typical October day in Yeosu reaches about 20°C in the afternoon and slips back to 16°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 22°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12219
22219
32219
42218
52218
62218
72118
82118
92117
102117
112117
122117
132017
142017
152016
162016
172016
182016
191916
201915
211915
221915
231915
241814
251814
261814
271814
281814
291713
301713
311713

How October really feels in Yeosu

Once humidity and wind are folded in, October 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

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yeosu weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 344.39.90.6
Feb / 484.810.71.3
Mar11° / 927.411.72.8
Apr15° / 11°1348.512.84.5
May18° / 16°1478.413.86.2
Jun22° / 20°1949.414.36.4
Jul25° / 23°26813.614.16.1
Aug27° / 25°22412.613.36.2
Sep24° / 21°1608.912.27.0
Oct20° / 16°714.711.17.3
Nov14° / 10°505.410.24.7
Dec / 313.99.71.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
36139
46139
56238
66337
76535
86535
96634
106634
116634
126832
136832
146832
156931
166931
176931
187030
197030
207030
217129
227030
237030
247129
257129
267129
277129
287327
297327
307228
317228

Chance of precipitation in October

Any precipitation

Yeosu gets around 71 mm of rain over 4.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
320
420
519
619
718
817
917
1016
1116
1215
1315
1415
1514
1614
1714
1814
1914
2014
2114
2214
2314
2414
2514
2614
2714
2814
2914
3015
3115

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1242831143
2262830133
3282929122
4302928112
5332927102
635292591
737292481
840292381
942292171
1045292061
1147281860
1249281750
1351281650
1454271540
1555271440
1657271330
1759261230
1861261120
1963251020
206425920
216624910
226823810
237022710
247221610
257320610
267519510
277618510
287817500
298016400
308016400
318115400

Wind in October

Winds average 16 km/h in October.

Across October, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:29 AM to 6:55 AM, and sunset from 6:08 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:296:08
211.66:296:07
311.66:306:05
411.56:316:04
511.56:326:02
611.56:336:01
711.46:336:00
811.46:345:58
911.46:355:57
1011.36:365:55
1111.36:375:54
1211.36:385:53
1311.26:385:52
1411.26:395:50
1511.16:405:49
1611.16:415:48
1711.16:425:46
1811.06:435:45
1911.06:445:44
2011.06:455:43
2110.96:455:42
2210.96:465:41
2310.96:475:39
2410.86:485:38
2510.86:495:37
2610.86:505:36
2710.76:515:35
2810.76:525:34
2910.76:535:33
3010.66:545:32
3110.66:555:31

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.95 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 5.79 kWh/m² in May across the year — October's 3.95 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.0Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.5Moderate
313.5Moderate
Planning a trip in October

Hazard calendar for Yeosu

In seasonPeak

In October, Yeosu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Yeosu's rainy season runs April–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 October a good time to visit Yeosu?

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

7.3
Sightseeing
1st-best month of the year
3.7
Beach & pool
5th-best month of the year

October is one of the better times to visit Yeosu for general sightseeing.

What to pack for Yeosu in October

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

In October, Yeosu sees daytime highs around 20°C and nights near 16°C. Little to plan around — just the basics. About 5 days see rain.

Sea temperature near Yeosu in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 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 Yeosu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yeosu 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 Yeosu in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Yeosu is worst in March — around 42 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (July, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1841 µg/m³Jul 2318 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb35Poor
Mar42Poor
Apr37Poor
May31Moderate
Jun25Moderate
Jul18Moderate
Aug18Moderate
Sep22Moderate
Oct24Moderate
Nov27Moderate
Dec26Moderate
Location & terrain

Where is Yeosu?

Yeosu sits at 34.8°N, 127.7°E, 10 m above sea level, in South Korea. The nearest listed city is Gwangyang, 20 km away.

HadongKuryeBoseongChinju

Topography around Yeosu

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

Within 3 km, the terrain around Yeosu has significant variations in elevation — a maximum elevation change of 327 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 502 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Yeosu is covered by trees (40%) and artificial surfaces (30%) within 3 km, water (52%) and trees (30%) within 16 km, and water (46%) and trees (44%) within 80 km.

3 km
327 m
16 km
502 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Gwangyang 20 km · Kwangyang 25 km · Suncheon 26 km · Beolgyo 31 km · Hadong 35 km · Kurye 53 km · Boseong 53 km · Chinju 62 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 Yeosu (34.7606°, 127.6621°, elevation 10 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).