Sanyōonoda weather in October

In October, Sanyōonoda sees average daytime highs of 22°C and overnight lows near 17°C, with 100 mm of rain across 7.8 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°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 Sanyōonoda's 1st-clearest and 7th-windiest month. For the whole year in context, see Sanyōonoda's year-round climate.

Daytime high
22°
5th warmest
Overnight low
17°
8th coldest
Rainfall
100 mm
7.8 wet days
Daylight
11 h 06 min
6:26 AM – 5:34 PM
Cloud cover
49%
1st clearest
Wind
12 km/h
7th windiest
Solar energy
3.66 kWh/m²
Travel score
7.1
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 20°C by the end.

A typical October day in Sanyōonoda 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 25°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)
12420
22419
32419
42419
52419
62419
72419
82318
92318
102318
112318
122318
132318
142217
152217
162217
172217
182217
192217
202116
212116
222116
232116
242116
252115
262015
272015
282015
292015
302015
311915

How October really feels in Sanyōonoda

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.

Sanyōonoda weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7310.81.3101.8
Feb10° / 8110.41.110.72.1
Mar13° / 13311.50.211.73.4
Apr17° / 12°14710.7012.85.3
May21° / 16°16610.2013.76.5
Jun25° / 20°26914.1014.25.9
Jul28° / 24°25614.50145.1
Aug30° / 25°14111.9013.34.9
Sep27° / 22°16211.4012.26.2
Oct22° / 17°1007.8011.17.1
Nov17° / 12°868.4010.25.5
Dec12° / 74110.39.82.9

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 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35446
45545
55743
65743
75941
85941
96040
106139
116139
126238
136337
146337
156337
166337
176436
186436
196337
206337
216337
226337
236337
246238
256238
266238
276337
286337
296337
306238
316337

Chance of precipitation in October

Any precipitation

Sanyōonoda gets around 100 mm of rain over 7.8 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 26% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
430
529
628
728
827
926
1025
1125
1225
1324
1424
1524
1624
1724
1824
1924
2025
2125
2225
2325
2425
2525
2625
2725
2825
2925
3025
3125

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11724302010
2182529199
3202529179
4212629168
5232628157
6252727147
7272726136
8302725135
9322724125
10352723114
11372722103
1240272193
1342272082
1444272082
1546271972
1647261961
1749261861
1851261751
1953251741
2054251641
2158241530
2259241430
2360231430
2462231320
2563221320
2664221220
2765211220
2867201120
2968201020
3069191020
317019920

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light 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 6:14 AM to 6:40 AM, and sunset from 5:54 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:145:54
211.66:155:53
311.66:165:51
411.66:175:50
511.56:175:49
611.56:185:47
711.46:195:46
811.46:205:45
911.46:215:43
1011.36:215:42
1111.36:225:41
1211.36:235:39
1311.26:245:38
1411.26:255:37
1511.26:265:36
1611.16:265:34
1711.16:275:33
1811.16:285:32
1911.06:295:31
2011.06:305:30
2111.06:315:29
2210.96:325:27
2310.96:325:26
2410.96:335:25
2510.86:345:24
2610.86:355:23
2710.86:365:22
2810.76:375:21
2910.76:385:20
3010.76:395:19
3110.66:405:18

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.66 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.52 kWh/m² in May across the year — October's 3.66 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
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.2Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Sanyōonoda

In seasonPeak

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

Sanyōonoda 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 Sanyōonoda?

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

7.1
Sightseeing
1st-best month of the year
4.9
Beach & pool
5th-best month of the year

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

What to pack for Sanyōonoda in October

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

In October, Sanyōonoda sees daytime highs around 22°C and nights near 17°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Sanyōonoda in October

The nearest coast averages about 23°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 18 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 6 to Nov 10 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Sanyōonoda 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 Sanyōonoda peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 20UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sanyōonoda 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 Sanyōonoda is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2026 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar27Moderate
Apr24Moderate
May21Moderate
Jun18Moderate
Jul16Moderate
Aug19Moderate
Sep13Moderate
Oct12Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Sanyōonoda?

Sanyōonoda sits at 34.0°N, 131.2°E, 33 m above sea level, in Japan. The nearest listed city is Onoda, 4.0 km away.

Topography around Sanyōonoda

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

Within 3 km, the terrain around Sanyōonoda has only modest variations in elevation — a maximum elevation change of 147 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Sanyōonoda is covered by trees (55%) and artificial surfaces (20%) within 3 km, trees (51%) and water (30%) within 16 km, and water (49%) and trees (42%) within 80 km.

3 km
147 m
16 km
475 m
80 km
1,205 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Onoda 4.0 km · Ube 13 km · Mine 18 km · Shimonoseki 22 km · Ogōri-shimogō 23 km · Kanda 32 km · Yamaguchi 33 km · Kitakyushu 35 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 Sanyōonoda (34.0325°, 131.1603°, elevation 33 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).