Ishiki weather in October

In October, Ishiki sees average daytime highs of 22°C and overnight lows near 18°C, with 215 mm of rain across 11.1 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 1st-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 46% of the time in October, and the air most often feels comfortable.

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 Ishiki's 5th-clearest and 7th-windiest month. For the whole year in context, see Ishiki's year-round climate.

Daytime high
22°
5th warmest
Overnight low
18°
8th coldest
Rainfall
215 mm
11.1 wet days
Daylight
11 h 06 min
6:04 AM – 5:10 PM
Cloud cover
51%
5th clearest
Wind
19 km/h
7th windiest
Solar energy
3.47 kWh/m²
Travel score
6.6
out of 10

Ishiki is dissolved municipality in Hazu district, Aichi prefecture, Japan.

Density
1,064/km²
people per km²
Founded
1889

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 24°C in the first days to 20°C by the end.

A typical October day in Ishiki reaches about 22°C in the afternoon and slips back to 18°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12420
22420
32420
42420
52320
62320
72319
82319
92319
102319
112319
122219
132218
142218
152218
162218
172218
182117
192117
202117
212117
222117
232117
242016
252016
262016
272016
282016
292015
302015
311915

How October really feels in Ishiki

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.

Ishiki weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 739.30.59.92.2
Feb10° / 769.10.410.72.4
Mar13° / 12010.5011.73.6
Apr17° / 12°1299.9012.85.3
May20° / 16°15410013.86.3
Jun24° / 21°20913.2014.36.0
Jul27° / 24°18113014.15.8
Aug29° / 26°10810.9013.35.7
Sep26° / 23°21413012.26.2
Oct22° / 18°21511.1011.16.6
Nov17° / 13°998010.25.8
Dec12° / 688.50.19.73.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 10% 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 (%)
14753
24753
34852
44852
54852
65050
75050
85149
95248
105347
115347
125347
135545
145545
155545
165644
175743
185842
195842
205842
215941
225941
235941
246040
256040
266139
276139
286238
296337
306238
316337

Chance of precipitation in October

Any precipitation

Ishiki gets around 215 mm of rain over 11.1 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
341
441
541
640
740
839
938
1038
1137
1237
1336
1436
1535
1635
1734
1834
1934
2033
2133
2233
2333
2432
2532
2631
2731
2830
2930
3029
3129

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182136288
282236277
392336266
4102436255
5112536245
6122635234
7132734224
8142934203
9153033193
10173232173
11193330162
12203429152
13223528132
14243627122
15263626111
16283724101
1730372381
1833372271
1935372161
2037372051
2140371941
2242361840
2344361630
2447351630
2549341520
2651331420
2753321320
2855311220
2958301110
3060291010
3161281010

Wind in October

Winds average 19 km/h in October.

Across October, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy
3120breezy

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 5:51 AM to 6:17 AM, and sunset from 5:31 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:515:31
211.65:525:29
311.65:535:28
411.55:545:26
511.55:545:25
611.55:555:23
711.45:565:22
811.45:575:21
911.45:585:19
1011.35:595:18
1111.35:595:17
1211.36:005:15
1311.26:015:14
1411.26:025:13
1511.16:035:12
1611.16:045:10
1711.16:055:09
1811.06:055:08
1911.06:065:07
2011.06:075:05
2110.96:085:04
2210.96:095:03
2310.96:105:02
2410.86:115:01
2510.86:125:00
2610.86:134:59
2710.76:144:58
2810.76:154:57
2910.76:154:56
3010.66:164:55
3110.66:174:54

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.47 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.57 kWh/m² in May across the year — October's 3.47 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Ishiki

In seasonPeak

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

Ishiki 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 Ishiki?

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

6.6
Sightseeing
1st-best month of the year
4.4
Beach & pool
5th-best month of the year

October is a reasonable time to visit Ishiki for sightseeing.

What to pack for Ishiki in October

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

In October, Ishiki sees daytime highs around 22°C and nights near 18°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Ishiki in October

The nearest coast averages about 22°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 15 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Ishiki 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 Ishiki peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJul 11UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ishiki 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 Ishiki is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1325 µg/m³Jul 2415 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun20Moderate
Jul15Moderate
Aug15Moderate
Sep16Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Ishiki?

Ishiki sits at 34.8°N, 137.0°E, 0 m above sea level, in Japan. The nearest listed city is Nishio, 8.0 km away.

Topography around Ishiki

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

Within 3 km, the terrain around Ishiki has only modest variations in elevation — a maximum elevation change of 9 m around an average of 1 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 349 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,462 m.

The land around Ishiki is covered by water (39%), artificial surfaces (31%) and cropland (20%) within 3 km, water (44%) and artificial surfaces (22%) within 16 km, and trees (43%) and water (33%) within 80 km.

3 km
9 m
16 km
349 m
80 km
1,462 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Nishio 8.0 km · Hekinan 10 km · Taketoyo 11 km · Handa 12 km · Toyohama 13 km · Takahama 13 km · Minamichita 14 km · Kaminoma 14 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 Ishiki (34.8°, 137.0167°, 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).