Masan weather in October

In October, Masan sees average daytime highs of 21°C and overnight lows near 11°C, with 55 mm of rain across 4.5 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 49% 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 Masan's 1st-clearest and 9th-windiest month. For the whole year in context, see Masan's year-round climate.

Daytime high
21°
6th warmest
Overnight low
11°
7th coldest
Rainfall
55 mm
4.5 wet days
Daylight
11 h 06 min
6:45 AM – 5:51 PM
Cloud cover
44%
1st clearest
Wind
9 km/h
9th windiest
Solar energy
3.88 kWh/m²
Travel score
7.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 18°C by the end.

A typical October day in Masan reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, October runs about 5°C cooler than September and about 7°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32313
42313
52313
62313
72313
82312
92212
102212
112212
122211
132211
142111
152111
162110
172110
182110
192010
202010
21209
22209
23209
24199
25199
26198
27198
28188
29188
30188
31187

How October really feels in Masan

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.

Masan weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°275.33.19.90.0
Feb / -2°345.31.410.71.0
Mar12° / 607.30.811.73.6
Apr18° / 867.6012.96.3
May23° / 12°978013.87.2
Jun27° / 18°16210.1014.36.3
Jul29° / 22°24316.2014.14.6
Aug30° / 23°22415.7013.34.3
Sep26° / 17°1459.8012.26.6
Oct21° / 11°554.5011.17.5
Nov14° / 466.30.210.24.6
Dec / -1°295.42.29.71.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
15644
25743
35842
45941
55941
66139
76139
86337
96337
106535
116535
126535
136535
146733
156733
166634
176634
186634
196634
206634
216733
226733
236733
246733
256832
266832
276832
286832
296832
306832
316931

Chance of precipitation in October

Any precipitation

Masan gets around 55 mm of rain over 4.5 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 15% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
220
320
419
518
617
717
816
915
1014
1114
1213
1313
1413
1513
1613
1713
1813
1913
2013
2113
2213
2313
2413
2514
2614
2714
2815
2915
3016
3116

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
140331881
243321771
346311561
450301461
553281351
656271250
760251140
863231040
96622930
106920830
117318720
127417720
137616620
148014510
158113510
168212510
178312410
188411410
198610310
208610310
21889210
22908200
23908200
24908200
25917200
26927100
27936100
28936100
29936100
30945100
31945100

Wind in October

Winds average 9 km/h in October.

Across October, 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
18calm
28calm
38calm
48calm
58calm
68calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:32 AM to 6:59 AM, and sunset from 6:11 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:326:11
211.66:336:10
311.66:346:08
411.56:356:07
511.56:356:05
611.56:366:04
711.46:376:03
811.46:386:01
911.46:396:00
1011.36:405:59
1111.36:405:57
1211.26:415:56
1311.26:425:55
1411.26:435:53
1511.16:445:52
1611.16:455:51
1711.16:465:49
1811.06:475:48
1911.06:475:47
2011.06:485:46
2110.96:495:45
2210.96:505:43
2310.96:515:42
2410.86:525:41
2510.86:535:40
2610.86:545:39
2710.76:555:38
2810.76:565:37
2910.76:575:36
3010.66:585:35
3110.66:595:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.88 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.91 kWh/m² in May across the year — October's 3.88 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
313.3Moderate
Planning a trip in October

Hazard calendar for Masan

In seasonPeak

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

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

Masan'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 October a good time to visit Masan?

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

7.5
Sightseeing
1st-best month of the year
4.5
Beach & pool
6th-best month of the year

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

What to pack for Masan in October

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

In October, Masan sees daytime highs around 21°C and nights near 11°C. Little to plan around — just the basics. About 5 days see rain.

Sea temperature near Masan 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 50 km away) is warmest in August at about 25°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 26 to Oct 11 — about 3.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb6Bracing
Mar7Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Masan 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 Masan peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 highModerateJul 12UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Masan 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 Masan is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1960 µg/m³Aug 1129 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb48Poor
Mar61Unhealthy
Apr54Poor
May45Poor
Jun39Poor
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct35Moderate
Nov38Poor
Dec34Moderate
Location & terrain

Where is Masan?

Masan sits at 35.1°N, 126.8°E, 18 m above sea level, in South Korea. The nearest listed city is Gwangju, 8.0 km away.

MuanKoch'ang

Topography around Masan

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

Within 3 km, the terrain around Masan has only modest variations in elevation — a maximum elevation change of 190 m around an average of 30 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,162 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,717 m.

The land around Masan is covered by artificial surfaces (35%), cropland (31%) and trees (23%) within 3 km, trees (47%), cropland (25%) and artificial surfaces (22%) within 16 km, and trees (48%), water (25%) and cropland (22%) within 80 km.

3 km
190 m
16 km
1,162 m
80 km
1,717 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Gwangju 8.0 km · Naju 15 km · Hwasun 16 km · Jangseong 19 km · Damyang 25 km · Yeonggwang 34 km · Muan 36 km · Koch'ang 36 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 Masan (35.1272°, 126.8315°, elevation 18 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).