Santyoku weather in October

In October, Santyoku sees average daytime highs of 18°C and overnight lows near 14°C, with 85 mm of rain across 7.7 wet days and about 11 hours of daylight. It is the 5th-warmest and 5th-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 30 min by month's end. Set against the rest of the year, October is Santyoku's 4th-clearest and 8th-windiest month. For the whole year in context, see Santyoku's year-round climate.

Daytime high
18°
5th warmest
Overnight low
14°
8th coldest
Rainfall
85 mm
7.7 wet days
Daylight
11 hours
6:38 AM – 5:39 PM
Cloud cover
46%
4th clearest
Wind
14 km/h
8th windiest
Solar energy
3.61 kWh/m²
Travel score
6.3
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 Santyoku reaches about 18°C in the afternoon and slips back to 14°C overnight — a 4°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 4°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12017
22017
32017
42017
52016
62016
71916
81916
91916
101916
111915
121915
131915
141815
151815
161814
171814
181814
191814
201714
211713
221713
231713
241713
251713
261612
271612
281612
291612
301612
311611

How October really feels in Santyoku

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.

Santyoku weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°527.14.39.70.0
Feb / 486.83.810.60.3
Mar / 638.6311.72.0
Apr14° / 727.70.412.94.4
May18° / 14°767.30146.2
Jun21° / 18°907.9014.56.7
Jul24° / 22°17612.2014.36.4
Aug25° / 23°18412.7013.46.3
Sep22° / 19°18210.6012.36.5
Oct18° / 14°857.70116.3
Nov12° / 667.60.4103.7
Dec / 445.81.79.50.9

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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35248
45347
55446
65545
75644
85743
95743
105842
116040
126040
136040
146139
156238
166238
176238
186337
196337
206436
216535
226535
236634
246634
256832
266832
276931
286931
297030
307030
317030

Chance of precipitation in October

Any precipitation

Santyoku gets around 85 mm of rain over 7.7 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 24% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
926
1026
1126
1225
1325
1425
1525
1625
1725
1824
1924
2024
2123
2223
2323
2422
2522
2622
2721
2821
2921
3021
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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14134224
24333213
34632203
44831183
55130172
65329162
75627152
85926141
96125131
106424111
116722101
12702190
13722080
14741970
15761860
16771760
17781750
18801640
19821530
20831430
21851320
22861220
23871120
24881110
25891010
2690910
2791810
2892800
2993700
3094600
3194600

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 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 6:24 AM to 6:53 AM, and sunset from 6:01 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:246:01
211.66:255:59
311.56:265:58
411.56:265:56
511.56:275:55
611.46:285:53
711.46:295:52
811.36:305:50
911.36:315:49
1011.36:325:47
1111.26:335:46
1211.26:345:44
1311.16:355:43
1411.16:365:42
1511.16:375:40
1611.06:385:39
1711.06:395:38
1810.96:405:36
1910.96:415:35
2010.96:425:34
2110.86:435:32
2210.86:445:31
2310.86:455:30
2410.76:465:29
2510.76:475:27
2610.66:485:26
2710.66:495:25
2810.66:505:24
2910.56:515:23
3010.56:525:22
3110.56:535:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.61 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6 kWh/m² in May across the year — October's 3.61 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.2Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Santyoku

In seasonPeak

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

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

Santyoku's rainy season runs June–October, 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 Santyoku?

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

6.3
Sightseeing
4th-best month of the year
2.1
Beach & pool
5th-best month of the year

October is a reasonable time to visit Santyoku for sightseeing.

What to pack for Santyoku in October

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

In October, Santyoku sees daytime highs around 18°C and nights near 14°C. Little to plan around — just the basics. About 8 days see rain.

Sea temperature near Santyoku in October

The nearest coast averages about 20°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 19 km away) is warmest in August at about 24°C and coldest in February near 11°C.

It's comfortable for a long swim from Jul 1 to Oct 17 — about 3.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr13Bracing
May15Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct20Refreshing
Nov17Cool
Dec14Bracing

UV index in Santyoku 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 Santyoku peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 16UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun7High
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Santyoku 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 Santyoku is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2239 µg/m³Sep 1817 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb30Moderate
Mar40Poor
Apr38Poor
May35Moderate
Jun30Moderate
Jul24Moderate
Aug21Moderate
Sep17Moderate
Oct20Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is Santyoku?

Santyoku sits at 37.4°N, 129.2°E, 23 m above sea level, in South Korea. The nearest listed city is Donghae City, 13 km away.

GangneungJumunjinNeietsuPyeongchangYeongjuSokcho

Topography around Santyoku

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

Within 3 km, the terrain around Santyoku has significant variations in elevation — a maximum elevation change of 265 m around an average of 50 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,549 m.

The land around Santyoku is covered by trees (50%), water (22%) and artificial surfaces (20%) within 3 km, trees (47%) and water (44%) within 16 km, and trees (62%) and water (33%) within 80 km.

3 km
265 m
16 km
1,347 m
80 km
1,549 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Donghae City 13 km · T’aebaek 34 km · Gangneung 44 km · Jumunjin 59 km · Neietsu 68 km · Pyeongchang 69 km · Yeongju 84 km · Sokcho 99 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 Santyoku (37.4406°, 129.1708°, elevation 23 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).