Yakushima weather in October

In October, Yakushima sees average daytime highs of 24°C and overnight lows near 22°C, with 170 mm of rain across 13 wet days and about 11.3 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Yakushima's 1st-clearest and 5th-windiest month. For the whole year in context, see Yakushima's year-round climate.

Daytime high
24°
5th warmest
Overnight low
22°
8th coldest
Rainfall
170 mm
13 wet days
Daylight
11 h 12 min
6:25 AM – 5:40 PM
Cloud cover
51%
1st clearest
Wind
27 km/h
5th windiest
Solar energy
3.72 kWh/m²
Travel score
6.5
out of 10

Yakushima is human settlement in Japan.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical October day in Yakushima reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, October runs about 3°C cooler than September and about 4°C warmer than November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62523
72523
82523
92523
102523
112523
122423
132423
142423
152422
162422
172422
182422
192422
202422
212322
222322
232321
242321
252321
262321
272321
282321
292321
302220
312220

How October really feels in Yakushima

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.

Yakushima weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°12213.110.33.8
Feb15° / 12°12612.710.94.0
Mar17° / 14°18214.611.84.8
Apr19° / 17°19012.712.75.7
May22° / 20°21012.913.56.1
Jun25° / 23°43819.613.95.1
Jul27° / 26°17312.613.85.9
Aug28° / 27°14114.713.15.4
Sep27° / 25°23715.812.25.7
Oct24° / 22°1701311.36.5
Nov20° / 18°1491210.56.1
Dec16° / 14°11411.810.14.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35545
45545
55644
65644
75743
85743
95743
105743
115842
125743
135743
145743
155743
165743
175743
185743
195743
205743
215743
225644
235644
245545
255446
265446
275446
285446
295347
305347
315347

Chance of precipitation in October

Any precipitation

Yakushima gets around 170 mm of rain over 13 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 43% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
448
547
647
746
846
945
1045
1145
1244
1343
1443
1542
1642
1741
1841
1941
2040
2140
2240
2340
2439
2539
2639
2739
2839
2939
3038
3138

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the humid band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1072029367
2082129356
3192229336
4192230335
51102330314
62102430304
72112530283
82122530273
93132630252
103142630242
114152730232
125162730211
135172730201
146182829191
156182829181
167192828170
178202927160
189212927150
1910222926140
2011232925130
2112232824120
2214242823110
2315252822100
241625282290
251826272180
262026272080
272126262070
282326251960
292526251860
302627241750
312827231750

Wind in October

Winds average 27 km/h in October.

Across October, daily wind ranges from about 26 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1727breezy
1827breezy
1927breezy
2027breezy
2127breezy
2227breezy
2327breezy
2427breezy
2527breezy
2627breezy
2727breezy
2826breezy
2926breezy
3026breezy
3126breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over October. Sunrise moves from 6:15 AM to 6:36 AM, and sunset from 5:58 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:155:58
211.76:165:56
311.66:165:55
411.66:175:54
511.66:185:53
611.66:185:51
711.56:195:50
811.56:205:49
911.56:205:48
1011.46:215:47
1111.46:225:46
1211.46:225:44
1311.36:235:43
1411.36:245:42
1511.36:245:41
1611.26:255:40
1711.26:265:39
1811.26:265:38
1911.26:275:37
2011.16:285:36
2111.16:295:35
2211.16:295:34
2311.06:305:33
2411.06:315:32
2511.06:325:31
2611.06:325:30
2710.96:335:29
2810.96:345:28
2910.96:355:27
3010.96:355:26
3110.86:365:26

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.72 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 5.86 kWh/m² in July across the year — October's 3.72 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.1Bright
54.0Bright
64.0Bright
74.0Moderate
84.0Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Yakushima

In seasonPeak

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

Yakushima 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 Yakushima?

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

6.5
Sightseeing
1st-best month of the year
5.4
Beach & pool
4th-best month of the year

October is a reasonable time to visit Yakushima for sightseeing.

What to pack for Yakushima in October

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

In October, Yakushima sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes, rain gear and a windbreaker. About 13 days see rain.

light clothesrain geara windbreaker

Sea temperature near Yakushima in October

The nearest coast averages about 26°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in February near 20°C.

It's comfortable for a long swim from Feb 25 to Feb 7 — about 11.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Cool
Mar20Refreshing
Apr21Refreshing
May23Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Warm
Dec22Refreshing

UV index in Yakushima in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yakushima peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 10UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Extreme
Oct7High
Nov5High
Dec4Moderate

Air quality in Yakushima 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 Yakushima is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Jul 2010 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun13Moderate
Jul10Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Yakushima?

Yakushima sits at 30.4°N, 130.6°E, 0 m above sea level, in Japan. The nearest listed city is Nishinoomote, 51 km away.

Topography around Yakushima

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

Within 3 km, the terrain around Yakushima has large variations in elevation — a maximum elevation change of 608 m around an average of 81 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,916 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,893 m.

The land around Yakushima is covered by trees (54%) and water (44%) within 3 km, water (67%) and trees (33%) within 16 km, and water (93%) within 80 km.

3 km
608 m
16 km
1,916 m
80 km
1,893 m
treesgrasslandartificial surfaceswater
October weather nearby: Nishinoomote 51 km · Ibusuki 94 km · Makurazaki 103 km · Minamikyushu 108 km · Kanoya 112 km · Minamisatsuma 117 km · Kaseda-shirakame 119 km · Tarumizu 122 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 Yakushima (30.388°, 130.6492°, elevation 0 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).