Ishinomaki weather in October

In October, Ishinomaki sees average daytime highs of 19°C and overnight lows near 13°C, with 140 mm of rain across 9.9 wet days and about 11 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 16°C by the end. The sky is clear or mostly clear about 32% 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 24 min by month's end. Set against the rest of the year, October is Ishinomaki's 6th-clearest and 7th-windiest month. For the whole year in context, see Ishinomaki's year-round climate.

Daytime high
19°
5th warmest
Overnight low
13°
8th coldest
Rainfall
140 mm
9.9 wet days
Daylight
11 hours
5:50 AM – 4:49 PM
Cloud cover
59%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
3.12 kWh/m²
Travel score
6.0
out of 10

Ishinomaki is city in Miyagi Prefecture, Japan.

Founded
1933

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 21°C in the first days to 16°C by the end.

A typical October day in Ishinomaki reaches about 19°C in the afternoon and slips back to 13°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12116
22116
32116
42116
52115
62015
72015
82015
92015
102014
112014
121914
131914
141914
151913
161913
171913
181813
191813
201812
211812
221812
231712
241712
251711
261711
271711
281711
291611
301610
311610

How October really feels in Ishinomaki

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.

Ishinomaki weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 527.63.89.60.1
Feb / 436.93.510.50.3
Mar / 8610.22.311.71.6
Apr13° / 9110.80.3133.6
May17° / 12°10010.2014.15.5
Jun21° / 16°11510.9014.66.0
Jul24° / 20°16214.7014.45.9
Aug26° / 22°13112.4013.56.1
Sep24° / 19°15112.6012.36.2
Oct19° / 13°1409.90116.0
Nov13° / 647.709.94.0
Dec / 568.82.59.41.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34060
44060
54258
64258
74258
84357
94456
104555
114555
124555
134654
144654
154852
164852
174951
184951
195149
205149
215248
225248
235347
245446
255446
265545
275743
285743
295941
306040
316040

Chance of precipitation in October

Any precipitation

Ishinomaki gets around 140 mm of rain over 9.9 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 31% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
536
636
735
834
934
1033
1132
1232
1331
1431
1530
1630
1730
1830
1930
2029
2129
2229
2329
2429
2529
2629
2728
2828
2927
3027
3126

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
133342481
234342380
336342270
438342170
540342060
642341960
744331850
846331740
949321540
1052311430
1154301330
1256291230
1359281120
1462261020
156425920
166724810
176923710
187122610
197420510
207519510
217718410
228017300
238116300
248215300
258414200
268513200
278612200
288612200
298711200
308910100
31909100

Wind in October

Winds average 13 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 5:36 AM to 6:06 AM, and sunset from 5:12 PM to 4:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:365:12
211.65:375:10
311.55:375:09
411.55:385:07
511.45:395:06
611.45:405:04
711.45:415:03
811.35:425:01
911.35:435:00
1011.25:444:58
1111.25:454:57
1211.15:464:55
1311.15:474:54
1411.15:484:52
1511.05:494:51
1611.05:504:49
1710.95:514:48
1810.95:524:47
1910.95:534:45
2010.85:544:44
2110.85:564:43
2210.75:574:41
2310.75:584:40
2410.75:594:39
2510.66:004:37
2610.66:014:36
2710.66:024:35
2810.56:034:34
2910.56:044:33
3010.46:054:32
3110.46:064:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.12 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 5.47 kWh/m² in May across the year — October's 3.12 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.8Moderate
Planning a trip in October

Hazard calendar for Ishinomaki

In seasonPeak

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

Ishinomaki 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 Ishinomaki?

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

6.0
Sightseeing
3rd-best month of the year
2.4
Beach & pool
5th-best month of the year

October is a reasonable time to visit Ishinomaki for sightseeing.

What to pack for Ishinomaki in October

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

In October, Ishinomaki sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Ishinomaki in October

The nearest coast averages about 19°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 23°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 10 to Oct 8 — about 3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar8Bracing
Apr10Bracing
May13Bracing
Jun17Cool
Jul21Refreshing
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec14Bracing

UV index in Ishinomaki in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ishinomaki peaks around August 16 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ishinomaki 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 Ishinomaki is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Ishinomaki?

Ishinomaki sits at 38.4°N, 141.3°E, 2 m above sea level, in Japan. The nearest listed city is Yamoto, 8.0 km away.

Topography around Ishinomaki

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

Within 3 km, the terrain around Ishinomaki has only modest variations in elevation — a maximum elevation change of 178 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 515 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,823 m.

The land around Ishinomaki is covered by artificial surfaces (42%) and water (42%) within 3 km, water (41%) and trees (30%) within 16 km, and trees (46%) and water (39%) within 80 km.

3 km
178 m
16 km
515 m
80 km
1,823 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Yamoto 8.0 km · Higashimatsushima 11 km · Wakuya 20 km · Matsushima 21 km · Kogota-ekimae 24 km · Shōbudahama 25 km · Shiogama 26 km · Kogota 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 Ishinomaki (38.4167°, 141.3°, elevation 2 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).