Ōuda-yamaguchi weather in October

In October, Ōuda-yamaguchi sees average daytime highs of 20°C and overnight lows near 12°C, with 201 mm of rain across 12 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 37% 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 Ōuda-yamaguchi's 3rd-clearest and 8th-windiest month. For the whole year in context, see Ōuda-yamaguchi's year-round climate.

Daytime high
20°
6th warmest
Overnight low
12°
7th coldest
Rainfall
201 mm
12 wet days
Daylight
11 h 06 min
6:08 AM – 5:15 PM
Cloud cover
57%
3rd clearest
Wind
8 km/h
8th windiest
Solar energy
3.34 kWh/m²
Travel score
6.1
out of 10

Ōuda-yamaguchi is city in Nara Prefecture, Japan.

Density
114/km²
people per km²
Founded
2006

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 22°C in the first days to 18°C by the end.

A typical October day in Ōuda-yamaguchi reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32215
42214
52214
62214
72214
82214
92113
102113
112113
122113
132112
142012
152012
162012
172011
182011
192011
201911
211911
221910
231910
241910
251810
26189
27189
28189
29189
30189
31178

How October really feels in Ōuda-yamaguchi

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.

Ōuda-yamaguchi weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°749.34.4100.5
Feb / -1°829.73.710.70.9
Mar11° / 13413.62.211.72.6
Apr17° / 13911.60.312.85.0
May21° / 12°16612.2013.86.1
Jun25° / 17°25316014.35.5
Jul28° / 21°23218.2014.14.6
Aug30° / 22°17615.5013.34.5
Sep26° / 18°21915.1012.25.7
Oct20° / 12°20112011.16.1
Nov14° / 988.5010.24.5
Dec / 748.81.89.71.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34357
44357
54357
64456
74555
84654
94753
104753
114852
124951
134951
145149
155149
165248
175248
185347
195446
205446
215446
225545
235545
245545
255644
265644
275743
285743
295842
305842
315941

Chance of precipitation in October

Any precipitation

Ōuda-yamaguchi gets around 201 mm of rain over 12 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 38% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
248
348
447
546
645
744
843
942
1041
1140
1239
1338
1437
1536
1636
1735
1835
1935
2035
2135
2235
2335
2435
2534
2634
2733
2833
2932
3032
3131

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1283325122
2303325112
3313224111
4333224101
535322391
637312281
740312181
842302171
945291961
1048281860
1151271750
1253261650
1357251440
1459241340
1561231240
1663231130
1764221130
1867211020
196920920
207119820
217418710
227617610
237617610
247816510
258015500
268214400
278214400
288313400
298412400
308611300
318611300

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:55 AM to 6:21 AM, and sunset from 5:35 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:555:35
211.65:565:34
311.65:575:32
411.55:585:31
511.55:595:29
611.55:595:28
711.46:005:27
811.46:015:25
911.46:025:24
1011.36:035:23
1111.36:035:21
1211.36:045:20
1311.26:055:19
1411.26:065:17
1511.26:075:16
1611.16:085:15
1711.16:085:14
1811.16:095:12
1911.06:105:11
2011.06:115:10
2110.96:125:09
2210.96:135:08
2310.96:145:07
2410.86:155:05
2510.86:165:04
2610.86:165:03
2710.76:175:02
2810.76:185:01
2910.76:195:00
3010.76:204:59
3110.66:214:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.34 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 5.35 kWh/m² in May across the year — October's 3.34 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Hazard calendar for Ōuda-yamaguchi

In seasonPeak

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

Ōuda-yamaguchi 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 Ōuda-yamaguchi?

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

6.1
Sightseeing
1st-best month of the year
3.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Ōuda-yamaguchi for sightseeing.

What to pack for Ōuda-yamaguchi in October

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

In October, Ōuda-yamaguchi sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Ōuda-yamaguchi 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 54 km away) is warmest in August at about 27°C and coldest in February near 16°C.

It's comfortable for a long swim from May 21 to Nov 29 — about 6.3 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec19Cool

UV index in Ōuda-yamaguchi 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 Ōuda-yamaguchi peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highVery highModerateJun 20UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ōuda-yamaguchi 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 Ōuda-yamaguchi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōuda-yamaguchi?

Ōuda-yamaguchi sits at 34.5°N, 136.0°E, 398 m above sea level, in Japan. The nearest listed city is Haibara-akanedai, 8.0 km away.

Topography around Ōuda-yamaguchi

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

Within 3 km, the terrain around Ōuda-yamaguchi has only modest variations in elevation — a maximum elevation change of 245 m around an average of 409 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,367 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,882 m.

The land around Ōuda-yamaguchi is covered by trees (80%) within 3 km, trees (88%) within 16 km, and trees (62%) within 80 km.

3 km
245 m
16 km
1,367 m
80 km
1,882 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Haibara-akanedai 8.0 km · Sakurai 11 km · Kashihara-shi 16 km · Kashiwara 17 km · Shimobuchi 17 km · Tenri 18 km · Tawaramoto 18 km · Yamato-Takada 20 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 Ōuda-yamaguchi (34.4592°, 135.9536°, elevation 398 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).