Geoje weather in October

In October, Geoje sees average daytime highs of 20°C and overnight lows near 18°C, with 78 mm of rain across 5.2 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 18°C by the end. The sky is clear or mostly clear about 52% 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 Geoje's 3rd-clearest and 8th-windiest month. For the whole year in context, see Geoje's year-round climate.

Daytime high
20°
5th warmest
Overnight low
18°
8th coldest
Rainfall
78 mm
5.2 wet days
Daylight
11 h 06 min
6:37 AM – 5:43 PM
Cloud cover
43%
3rd clearest
Wind
23 km/h
8th windiest
Solar energy
3.9 kWh/m²
Travel score
7.3
out of 10

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 18°C by the end.

A typical October day in Geoje reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°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 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42220
52220
62119
72119
82119
92119
102119
112119
122118
132118
142018
152018
162018
172018
182017
192017
201917
211917
221917
231916
241916
251916
261916
271816
281816
291815
301815
311815

How October really feels in Geoje

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.

Geoje 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 / 425.29.91.5
Feb / 515.610.72.0
Mar11° / 978.311.73.1
Apr14° / 12°1278.512.84.5
May17° / 16°132813.85.9
Jun20° / 19°1809.614.36.2
Jul24° / 23°24011.814.16.4
Aug26° / 25°18711.613.36.5
Sep24° / 22°173912.27.0
Oct20° / 18°785.211.17.3
Nov15° / 12°59610.25.3
Dec10° / 394.89.72.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45941
56040
66139
76238
86337
96436
106535
116535
126634
136634
146634
156733
166733
176733
186733
196733
206733
216832
226733
236733
246832
256832
266931
276931
286931
297030
307030
317030

Chance of precipitation in October

Any precipitation

Geoje gets around 78 mm of rain over 5.2 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 17% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
221
321
420
520
619
719
818
918
1017
1117
1217
1316
1416
1516
1616
1716
1816
1916
2016
2116
2216
2316
2416
2516
2616
2716
2816
2916
3017
3117

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1202931164
2212930154
3233030143
4253028133
5273127123
6303126112
7323125102
834312392
937312282
1039312181
1141312071
1243311961
1345301861
1447301751
1549291750
1652281640
1753281540
1856271430
1957261430
2059261320
2161251220
2263241120
2365231110
2467221010
256921910
267020910
277318810
287417810
297616710
307715710
318014600

Wind in October

Winds average 23 km/h in October.

Across October, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

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 6:25 AM to 6:51 AM, and sunset from 6:04 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:256:04
211.66:256:02
311.66:266:01
411.56:276:00
511.56:285:58
611.56:295:57
711.46:295:55
811.46:305:54
911.46:315:53
1011.36:325:51
1111.36:335:50
1211.36:345:49
1311.26:345:47
1411.26:355:46
1511.16:365:45
1611.16:375:43
1711.16:385:42
1811.06:395:41
1911.06:405:40
2011.06:405:39
2110.96:415:37
2210.96:425:36
2310.96:435:35
2410.86:445:34
2510.86:455:33
2610.86:465:32
2710.76:475:31
2810.76:485:30
2910.76:495:29
3010.66:505:28
3110.66:515:27

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.9 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.93 kWh/m² in May across the year — October's 3.9 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
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Moderate
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in October

Hazard calendar for Geoje

In seasonPeak

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

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

Geoje'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 Geoje?

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
3.8
Beach & pool
4th-best month of the year

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

What to pack for Geoje in October

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

In October, Geoje sees daytime highs around 20°C and nights near 18°C. Worth packing: a windbreaker. About 5 days see rain.

a windbreaker

Sea temperature near Geoje in October

The nearest coast averages about 22°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 17 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 5 — about 4.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Geoje in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Geoje 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
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Geoje 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 Geoje is worst in April — around 37 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (September, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1637 µg/m³Sep 2117 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb27Moderate
Mar35Poor
Apr37Poor
May35Poor
Jun27Moderate
Jul20Moderate
Aug19Moderate
Sep17Moderate
Oct17Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Geoje?

Geoje sits at 34.8°N, 128.7°E, 11 m above sea level, in South Korea. The nearest listed city is Sinhyeon, 10 km away.

GoseongBusanChangwonKimhaeNaesŏ

Topography around Geoje

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

Within 3 km, the terrain around Geoje has significant variations in elevation — a maximum elevation change of 406 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 581 m; within 80 km, large variations in elevation — a maximum elevation change of 933 m.

The land around Geoje is covered by water (47%) and trees (43%) within 3 km, water (65%) and trees (28%) within 16 km, and water (62%) and trees (29%) within 80 km.

3 km
406 m
16 km
581 m
80 km
933 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Sinhyeon 10 km · Kyosai 11 km · Tongyeong 26 km · Goseong 39 km · Busan 44 km · Changwon 46 km · Kimhae 49 km · Naesŏ 51 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 Geoje (34.8138°, 128.7056°, elevation 11 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).