Kosong weather in October

In October, Kosong sees average daytime highs of 18°C and overnight lows near 12°C, with 80 mm of rain across 7.1 wet days and about 11 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 48% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Kosong's 5th-clearest and 8th-windiest month. For the whole year in context, see Kosong's year-round climate.

Daytime high
18°
6th warmest
Overnight low
12°
7th coldest
Rainfall
80 mm
7.1 wet days
Daylight
11 hours
6:42 AM – 5:41 PM
Cloud cover
45%
5th clearest
Wind
11 km/h
8th windiest
Solar energy
3.56 kWh/m²
Travel score
6.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 16°C by the end.

A typical October day in Kosong reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, October runs about 5°C cooler than September and about 7°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12115
22015
32014
42014
52014
62014
72014
82013
91913
101913
111913
121913
131912
141912
151812
161812
171812
181811
191811
201711
211711
221710
231710
241710
251710
261610
27169
28169
29169
30169
31158

How October really feels in Kosong

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.

Kosong weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°486.559.60.0
Feb / -3°425.84.210.50.1
Mar / 537.63.211.71.9
Apr15° / 667.70.3134.7
May19° / 13°857.7014.16.6
Jun23° / 17°979.6014.66.7
Jul26° / 21°20613.7014.46.0
Aug26° / 22°21914.9013.55.8
Sep23° / 18°15910.7012.36.6
Oct18° / 12°807.10116.4
Nov12° / 748.20.79.93.2
Dec / -1°445.52.99.40.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55644
65743
75842
85941
96040
106040
116238
126238
136337
146436
156436
166436
176436
186535
196535
206634
216634
226733
236733
246832
256733
266733
276832
286832
296832
306931
316931

Chance of precipitation in October

Any precipitation

Kosong gets around 80 mm of rain over 7.1 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 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
825
925
1025
1124
1224
1324
1424
1524
1623
1723
1823
1923
2022
2122
2221
2321
2421
2521
2620
2720
2820
2920
3020
3121

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14935141
25234131
35433121
45632111
5603091
6622981
7662770
8682660
9712450
10732250
11762040
12771940
13801730
14811630
15841420
16861220
17871120
18881020
1990910
2091810
2192710
2293610
2394510
2495500
2596400
2697300
2797300
2897300
2998200
3098200
3198200

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:27 AM to 6:58 AM, and sunset from 6:03 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:276:03
211.66:286:02
311.56:296:00
411.56:305:59
511.46:315:57
611.46:325:55
711.46:335:54
811.36:345:52
911.36:355:51
1011.26:365:49
1111.26:375:48
1211.16:385:46
1311.16:395:45
1411.16:405:44
1511.06:415:42
1611.06:425:41
1710.96:435:39
1810.96:445:38
1910.96:455:37
2010.86:465:35
2110.86:475:34
2210.76:485:33
2310.76:495:31
2410.76:505:30
2510.66:515:29
2610.66:525:28
2710.66:535:26
2810.56:545:25
2910.56:555:24
3010.46:565:23
3110.46:585:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.56 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.88 kWh/m² in May across the year — October's 3.56 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Hazard calendar for Kosong

In seasonPeak

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

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

Kosong's rainy season runs July–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 Kosong?

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

6.4
Sightseeing
4th-best month of the year
2.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Kosong for sightseeing.

What to pack for Kosong in October

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

In October, Kosong sees daytime highs around 18°C and nights near 12°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Kosong in October

The nearest coast averages about 19°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 14 km away) is warmest in August at about 24°C and coldest in February near 8°C.

It's comfortable for a long swim from Jul 1 to Oct 3 — about 3.1 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May14Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Kosong 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 Kosong peaks around August 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 17UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul7Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Kosong 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 Kosong is worst in March — around 46 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 2046 µg/m³Sep 1120 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb38Poor
Mar46Poor
Apr43Poor
May36Poor
Jun29Moderate
Jul23Moderate
Aug21Moderate
Sep19Moderate
Oct26Moderate
Nov31Moderate
Dec30Moderate
Location & terrain

Where is Kosong?

Kosong sits at 38.4°N, 128.5°E, 17 m above sea level, in South Korea. The nearest listed city is Sokcho, 22 km away.

YangguJumunjinHwacheonGangneungHoeyangChuncheon

Topography around Kosong

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

Within 3 km, the terrain around Kosong has significant variations in elevation — a maximum elevation change of 294 m around an average of 40 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,313 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,646 m.

The land around Kosong is covered by trees (51%) and cropland (23%) within 3 km, trees (50%) and water (41%) within 16 km, and trees (58%) and water (33%) within 80 km.

3 km
294 m
16 km
1,313 m
80 km
1,646 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Sokcho 22 km · Yanggu 52 km · Jumunjin 63 km · Hwacheon 73 km · Gangneung 78 km · T’ongch’ŏn-ŭp 81 km · Hoeyang 84 km · Chuncheon 85 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 Kosong (38.3788°, 128.4676°, elevation 17 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).