Okazaki weather in October

In October, Okazaki sees average daytime highs of 22°C and overnight lows near 14°C, with 204 mm of rain across 12.1 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 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 39% 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 Okazaki's 6th-clearest and 8th-windiest month. For the whole year in context, see Okazaki's year-round climate.

Daytime high
22°
6th warmest
Overnight low
14°
8th coldest
Rainfall
204 mm
12.1 wet days
Daylight
11 h 06 min
6:03 AM – 5:09 PM
Cloud cover
55%
6th clearest
Wind
9 km/h
8th windiest
Solar energy
3.41 kWh/m²
Travel score
6.4
out of 10

Okazaki is city in Aichi Prefecture, Japan.

Founded
1916

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 19°C by the end.

A typical October day in Okazaki reaches about 22°C in the afternoon and slips back to 14°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 25°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)
12417
22417
32417
42416
52416
62416
72316
82316
92315
102315
112315
122315
132215
142214
152214
162214
172214
182113
192113
202113
212113
222112
232012
242012
252012
262012
272011
282011
291911
301911
311911

How October really feels in Okazaki

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.

Okazaki 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 / 6360.69.91.7
Feb / 766.80.810.72.1
Mar13° / 13610.80.111.73.7
Apr18° / 15111.1012.95.6
May23° / 14°17212.4013.86.3
Jun26° / 18°24216.5014.35.3
Jul29° / 23°27818.9014.14.2
Aug31° / 23°17417.3013.33.9
Sep27° / 20°23914.9012.25.4
Oct22° / 14°20412.1011.16.4
Nov16° / 1048.3010.25.4
Dec11° / 656.40.19.72.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54456
64456
74654
84654
94753
104753
114852
124852
135050
145050
155248
165248
175347
185446
195545
205545
215644
225743
235743
245743
255842
265842
275941
286040
296040
306139
316139

Chance of precipitation in October

Any precipitation

Okazaki gets around 204 mm of rain over 12.1 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 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
346
446
545
644
744
843
942
1041
1140
1240
1339
1438
1537
1637
1736
1836
1936
2035
2135
2235
2335
2434
2534
2633
2733
2832
2931
3031
3130

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192634183
2202734163
3212833153
4222933142
5242932132
6253031122
7273130111
8293129101
931322791
1033322591
1135322481
1238322271
1340322071
1443321861
1545321750
1648311550
1751311440
1854301240
1957291130
2060271030
216326920
226525820
236823720
247022710
257320610
267419610
277618510
287717510
298015410
308114410
318214400

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:30 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:515:30
211.65:525:28
311.65:525:27
411.55:535:26
511.55:545:24
611.55:555:23
711.45:565:21
811.45:565:20
911.45:575:19
1011.35:585:17
1111.35:595:16
1211.26:005:15
1311.26:015:13
1411.26:025:12
1511.16:025:11
1611.16:035:09
1711.16:045:08
1811.06:055:07
1911.06:065:06
2011.06:075:05
2110.96:085:03
2210.96:095:02
2310.96:105:01
2410.86:105:00
2510.86:114:59
2610.86:124:58
2710.76:134:57
2810.76:144:56
2910.76:154:55
3010.66:164:54
3110.66:174:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.41 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 5.45 kWh/m² in May across the year — October's 3.41 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Okazaki

In seasonPeak

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

Okazaki 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 Okazaki?

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

6.4
Sightseeing
1st-best month of the year
4.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Okazaki for sightseeing.

What to pack for Okazaki in October

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

In October, Okazaki sees daytime highs around 22°C and nights near 14°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Okazaki 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 28 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 Okazaki 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 Okazaki 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 Okazaki 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 Okazaki is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1322 µg/m³Dec 1813 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Okazaki?

Okazaki sits at 35.0°N, 137.2°E, 34 m above sea level, in Japan. The nearest listed city is Anjō, 8.0 km away.

Topography around Okazaki

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

Within 3 km, the terrain around Okazaki has only modest variations in elevation — a maximum elevation change of 104 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 614 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,181 m.

The land around Okazaki is covered by artificial surfaces (76%) within 3 km, trees (44%) and artificial surfaces (35%) within 16 km, and trees (49%) and water (27%) within 80 km.

3 km
104 m
16 km
614 m
80 km
2,181 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Anjō 8.0 km · Kōta 8.0 km · Chiryū 13 km · Nishio 14 km · Gamagōri 14 km · Toyota 15 km · Miyoshi 17 km · Kariya 17 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 Okazaki (34.95°, 137.1667°, elevation 34 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).