Setouchi weather in October

In October, Setouchi sees average daytime highs of 22°C and overnight lows near 17°C, with 133 mm of rain across 8.5 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 44% 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 Setouchi's 1st-clearest and 6th-windiest month. For the whole year in context, see Setouchi's year-round climate.

Daytime high
22°
5th warmest
Overnight low
17°
8th coldest
Rainfall
133 mm
8.5 wet days
Daylight
11 h 06 min
6:15 AM – 5:22 PM
Cloud cover
50%
1st clearest
Wind
14 km/h
6th windiest
Solar energy
3.67 kWh/m²
Travel score
6.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 19°C by the end.

A typical October day in Setouchi reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12419
22419
32419
42319
52319
62318
72318
82318
92318
102318
112218
122217
132217
142217
152217
162217
172116
182116
192116
202116
212116
222116
232015
242015
252015
262015
272015
281914
291914
301914
311914

How October really feels in Setouchi

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.

Setouchi 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 / 476.50.49.91.9
Feb / 597.60.610.72.1
Mar12° / 10810.1011.73.3
Apr16° / 11°12710.4012.85.1
May20° / 15°14210.2013.86.3
Jun23° / 20°18512.2014.36.1
Jul27° / 24°19212.7014.15.9
Aug29° / 25°10910.1013.35.6
Sep26° / 22°18111.6012.26.4
Oct22° / 17°1338.5011.16.9
Nov16° / 11°687010.25.6
Dec11° / 576.50.19.73.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35347
45347
55446
65545
75644
85743
95842
105842
115941
125941
136139
146139
156139
166238
176238
186238
196238
206238
216337
226337
236337
246337
256337
266337
276337
286337
296436
306337
316337

Chance of precipitation in October

Any precipitation

Setouchi gets around 133 mm of rain over 8.5 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 28% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
434
534
633
732
831
931
1030
1129
1228
1328
1427
1527
1626
1726
1826
1925
2025
2125
2225
2325
2425
2525
2625
2724
2824
2924
3024
3124

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152632197
2172732186
3182732176
4202831165
5222831155
6242830144
7262829134
8282828123
9312827113
10332826113
11362824102
1238282392
1340282282
1442272172
1545272071
1647271961
1749261851
1851261751
1953261641
2056251540
2158251430
2259251330
2362241220
2462241220
2564231120
2666221110
2767221010
2868211010
297020910
307219810
317219810

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light 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
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 6:03 AM to 6:29 AM, and sunset from 5:42 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:035:42
211.66:035:41
311.66:045:39
411.56:055:38
511.56:065:36
611.56:075:35
711.46:075:34
811.46:085:32
911.46:095:31
1011.36:105:30
1111.36:115:28
1211.36:125:27
1311.26:125:26
1411.26:135:24
1511.16:145:23
1611.16:155:22
1711.16:165:21
1811.06:175:19
1911.06:185:18
2011.06:195:17
2110.96:195:16
2210.96:205:15
2310.96:215:14
2410.86:225:12
2510.86:235:11
2610.86:245:10
2710.76:255:09
2810.76:265:08
2910.76:275:07
3010.66:285:06
3110.66:295:05

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.67 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.76 kWh/m² in May across the year — October's 3.67 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in October

Hazard calendar for Setouchi

In seasonPeak

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

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

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Setouchi?

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

6.9
Sightseeing
1st-best month of the year
4.5
Beach & pool
5th-best month of the year

October is a reasonable time to visit Setouchi for sightseeing.

What to pack for Setouchi in October

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

In October, Setouchi sees daytime highs around 22°C and nights near 17°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Setouchi in October

The nearest coast averages about 24°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 22 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 12 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Setouchi 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 Setouchi peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highVery highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Setouchi 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 Setouchi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1422 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Setouchi?

Setouchi sits at 34.7°N, 134.1°E, 8 m above sea level, in Japan. The nearest listed city is Bizen, 17 km away.

Topography around Setouchi

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

Within 3 km, the terrain around Setouchi has only modest variations in elevation — a maximum elevation change of 245 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 511 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,522 m.

The land around Setouchi is covered by trees (65%) within 3 km, water (41%) and trees (38%) within 16 km, and trees (59%) and water (26%) within 80 km.

3 km
245 m
16 km
511 m
80 km
1,522 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Bizen 17 km · Okayama 19 km · Akaiwa 20 km · Tamano 24 km · Kariya 25 km · Naoshima 26 km · Kamigōri 31 km · Aioi 34 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

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 Setouchi (34.6592°, 134.1424°, elevation 8 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).