Ōtawara weather in October

In October, Ōtawara sees average daytime highs of 20°C and overnight lows near 12°C, with 169 mm of rain across 12.9 wet days and about 11 hours of daylight. It is the 6th-warmest and 3rd-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 28% 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 Ōtawara's 7th-clearest and 7th-windiest month. For the whole year in context, see Ōtawara's year-round climate.

Daytime high
20°
6th warmest
Overnight low
12°
7th coldest
Rainfall
169 mm
12.9 wet days
Daylight
11 hours
5:54 AM – 4:56 PM
Cloud cover
63%
7th clearest
Wind
6 km/h
7th windiest
Solar energy
2.92 kWh/m²
Travel score
5.9
out of 10

Ōtawara is city in Tochigi Prefecture, Japan.

Density
203/km²
people per km²
Founded
1954

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 Ōtawara 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 24°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32215
42215
52214
62214
72214
82214
92114
102113
112113
122113
132113
142013
152012
162012
172012
182012
192011
201911
211911
221911
231911
241910
251910
261810
271810
28189
29189
30189
31189

How October really feels in Ōtawara

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.

Ōtawara weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°547.13.19.81.2
Feb / -0°537.62.810.61.6
Mar12° / 10412.62.211.73.0
Apr17° / 12112.40.512.95.1
May22° / 12°14213.4013.96.0
Jun25° / 17°16316.2014.55.5
Jul28° / 21°21219.7014.34.4
Aug29° / 22°16216.7013.44.4
Sep26° / 18°19315.3012.35.6
Oct20° / 12°16912.90115.9
Nov15° / 808.40.1104.7
Dec10° / 516.80.99.52.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53763
63862
73961
83862
93961
103961
113961
123961
133961
143961
154060
164159
174258
184258
194258
204456
214555
224654
234852
244951
255050
265248
275248
285446
295545
305644
315743

Chance of precipitation in October

Any precipitation

Ōtawara gets around 169 mm of rain over 12.9 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 41% 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
447
547
647
747
847
946
1046
1145
1244
1343
1442
1542
1641
1740
1840
1939
2039
2138
2237
2337
2436
2536
2635
2735
2834
2933
3032
3132

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1283328101
230342791
331342681
433342571
535342461
637342260
740342150
842332050
945321840
1048311740
1152301530
1254291430
1357281230
1461261120
1563251020
166624820
176922720
187221610
197320610
207618510
217817410
228016310
238115310
248315200
258414200
268513200
278712100
288811100
298811100
308910100
31909100

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:40 AM to 6:09 AM, and sunset from 5:18 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:405:18
211.65:415:16
311.55:425:15
411.55:435:13
511.55:445:12
611.45:445:10
711.45:455:09
811.35:465:07
911.35:475:06
1011.35:485:04
1111.25:495:03
1211.25:505:02
1311.25:515:00
1411.15:524:59
1511.15:534:57
1611.05:544:56
1711.05:554:55
1811.05:564:53
1910.95:574:52
2010.95:584:51
2110.85:594:50
2210.86:004:48
2310.86:014:47
2410.76:024:46
2510.76:034:45
2610.76:044:44
2710.66:054:42
2810.66:064:41
2910.66:074:40
3010.56:084:39
3110.56:094:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.92 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.11 kWh/m² in May across the year — October's 2.92 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in October

Is October a good time to visit Ōtawara?

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

5.9
Sightseeing
2nd-best month of the year
3.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit Ōtawara for sightseeing.

What to pack for Ōtawara in October

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

In October, Ōtawara sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Ōtawara 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 Ōtawara peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Ōtawara 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 Ōtawara is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Ōtawara?

Ōtawara sits at 36.9°N, 140.0°E, 205 m above sea level, in Japan. The nearest listed city is Kuroiso, 11 km away.

Topography around Ōtawara

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

Within 3 km, the terrain around Ōtawara has only modest variations in elevation — a maximum elevation change of 98 m around an average of 210 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 783 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,552 m.

The land around Ōtawara is covered by cropland (46%) and artificial surfaces (34%) within 3 km, trees (51%) and cropland (33%) within 16 km, and trees (71%) within 80 km.

3 km
98 m
16 km
783 m
80 km
2,552 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Kuroiso 11 km · Yaita 12 km · Nasushiobara 13 km · Ogawa 16 km · Sakura 17 km · Nasu 20 km · Ujiie 21 km · Karasuyama 26 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 Ōtawara (36.8667°, 140.0333°, elevation 205 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. 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).