Tōon weather in October

In October, Tōon sees average daytime highs of 21°C and overnight lows near 13°C, with 168 mm of rain across 10.5 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 41% 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 42 min by month's end. Set against the rest of the year, October is Tōon's 1st-clearest and 8th-windiest month. For the whole year in context, see Tōon's year-round climate.

Daytime high
21°
6th warmest
Overnight low
13°
7th coldest
Rainfall
168 mm
10.5 wet days
Daylight
11 h 06 min
6:19 AM – 5:28 PM
Cloud cover
52%
1st clearest
Wind
6 km/h
8th windiest
Solar energy
3.71 kWh/m²
Travel score
6.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical October day in Tōon reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22316
32316
42315
52315
62315
72315
82315
92214
102214
112214
122214
132213
142113
152113
162113
172112
182112
192012
202012
212012
222011
232011
241911
251911
261911
271910
281910
291910
301810
311810

How October really feels in Tōon

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.

Tōon weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°7111.25.6100.8
Feb / 8510.84.310.71.3
Mar12° / 12913.61.711.73.0
Apr18° / 14611.60.112.85.4
May22° / 13°17411.9013.76.3
Jun25° / 18°29717.1014.25.4
Jul29° / 22°27918.80144.4
Aug30° / 23°19517.2013.34.2
Sep26° / 19°23215012.25.7
Oct21° / 13°16810.5011.16.5
Nov15° / 929.6010.24.8
Dec10° / 8411.139.82.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44753
54951
64951
75050
85149
95248
105347
115446
125545
135644
145743
155743
165842
175941
185941
195941
206040
216040
226040
236040
246139
256139
266139
276139
286139
296238
306337
316238

Chance of precipitation in October

Any precipitation

Tōon gets around 168 mm of rain over 10.5 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 34% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
441
541
640
739
838
937
1036
1135
1234
1333
1433
1532
1632
1731
1831
1931
2031
2131
2231
2331
2431
2531
2630
2730
2830
2930
3029
3129

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1233127163
2253126153
3263126143
4283125132
5303125122
6333024112
7353023102
8382922101
941282191
1044272081
1147271871
1250261770
1353251660
1454251560
1557241450
1659241340
1761231240
1864221130
1965221030
206721930
217020820
227020820
237319710
247319710
257518610
267617610
277716610
287916500
298015500
308114500
318313400

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 7 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
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

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

Days shrink by about 60 minutes over October. Sunrise moves from 6:07 AM to 6:32 AM, and sunset from 5:47 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:075:47
211.66:085:46
311.66:095:45
411.66:105:43
511.56:105:42
611.56:115:41
711.56:125:39
811.46:135:38
911.46:145:37
1011.36:145:35
1111.36:155:34
1211.36:165:33
1311.26:175:31
1411.26:185:30
1511.26:185:29
1611.16:195:28
1711.16:205:27
1811.16:215:25
1911.06:225:24
2011.06:235:23
2111.06:235:22
2210.96:245:21
2310.96:255:20
2410.96:265:19
2510.86:275:18
2610.86:285:17
2710.86:295:15
2810.76:305:15
2910.76:315:14
3010.76:315:13
3110.76:325:12

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.71 kWh/m².

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 5.59 kWh/m² in May across the year — October's 3.71 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.3Moderate
Planning a trip in October

Hazard calendar for Tōon

In seasonPeak

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

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

Tōon's rainy season runs April–October, when most of the year's rain falls.

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

Is October a good time to visit Tōon?

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
3.9
Beach & pool
6th-best month of the year

October is a reasonable time to visit Tōon for sightseeing.

What to pack for Tōon in October

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

In October, Tōon sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Tōon 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 26 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 12 to Nov 17 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Tōon 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 Tōon peaks around June 23 at about 10 (extreme) — 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tōon 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 Tōon is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1523 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug15Moderate
Sep12Moderate
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Tōon?

Tōon sits at 33.8°N, 132.9°E, 121 m above sea level, in Japan. The nearest listed city is Haramachi, 10 km away.

Topography around Tōon

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

Within 3 km, the terrain around Tōon has significant variations in elevation — a maximum elevation change of 548 m around an average of 185 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,435 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,895 m.

The land around Tōon is covered by trees (48%), artificial surfaces (26%) and cropland (20%) within 3 km, trees (81%) within 16 km, and trees (53%) and water (40%) within 80 km.

3 km
548 m
16 km
1,435 m
80 km
1,895 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Haramachi 10 km · Matsuyama 13 km · Masaki-chō 17 km · Iyo 18 km · Shinagawa 21 km · Hōjō 23 km · Saijō 30 km · Imabari 32 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 Tōon (33.7943°, 132.8901°, elevation 121 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).