Akaiwa weather in October

In October, Akaiwa sees average daytime highs of 23°C and overnight lows near 14°C, with 114 mm of rain across 7.7 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 21°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 36 min by month's end. Set against the rest of the year, October is Akaiwa's 3rd-clearest and 9th-windiest month. For the whole year in context, see Akaiwa's year-round climate.

Daytime high
23°
6th warmest
Overnight low
14°
7th coldest
Rainfall
114 mm
7.7 wet days
Daylight
11 h 06 min
6:16 AM – 5:22 PM
Cloud cover
51%
3rd clearest
Wind
9 km/h
9th windiest
Solar energy
3.65 kWh/m²
Travel score
7.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 21°C by the end.

A typical October day in Akaiwa reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22617
32617
42517
52517
62516
72516
82516
92516
102416
112415
122415
132415
142415
152314
162314
172314
182314
192313
202313
212213
222213
232213
242212
252212
262112
272112
282112
292111
302111
312011

How October really feels in Akaiwa

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.

Akaiwa weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 405.50.39.92.4
Feb11° / 486.40.610.72.8
Mar14° / 929.30.111.74.3
Apr20° / 10°1089.7012.86.2
May24° / 15°1259.9013.86.8
Jun27° / 20°17212.2014.35.8
Jul31° / 24°18713.6014.14.0
Aug33° / 25°10810.3013.33.6
Sep29° / 21°16810.8012.25.5
Oct23° / 14°1147.7011.17.2
Nov18° / 576.1010.26.2
Dec12° / 465.30.19.73.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45149
55248
65347
75446
85545
95545
105644
115743
125743
135842
145941
155941
165941
176040
186040
196040
206040
216139
226139
236139
246139
256139
266139
276139
286238
296238
306238
316337

Chance of precipitation in October

Any precipitation

Akaiwa gets around 114 mm of rain over 7.7 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 26% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
431
530
630
729
828
927
1027
1126
1226
1325
1425
1525
1625
1724
1824
1924
2024
2124
2224
2324
2424
2523
2623
2723
2822
2922
3022
3121

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 55% 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 (%)
1232928155
2243027144
3263027134
4283026134
5303025123
6322924113
7342923103
8372822103
940272192
1043262082
1146251982
1249241872
1351231772
1454231661
1556221561
1659211451
1761201351
1863201241
1964191241
2066191131
2169181030
227118920
237217920
247317820
257516810
267616710
277715710
287715710
297914610
308013610
318113510

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 6:03 AM to 6:29 AM, and sunset from 5:43 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:035:43
211.66:045:41
311.66:055:40
411.56:065:38
511.56:065:37
611.56:075:35
711.46:085:34
811.46:095:33
911.46:105:31
1011.36:115:30
1111.36:115:29
1211.36:125:27
1311.26:135:26
1411.26:145:25
1511.16:155:23
1611.16:165:22
1711.16:175:21
1811.06:175:20
1911.06:185:19
2011.06:195:17
2110.96:205:16
2210.96:215:15
2310.96:225:14
2410.86:235:13
2510.86:245:12
2610.86:255:11
2710.76:265:10
2810.76:275:09
2910.76:275:07
3010.66:285:07
3110.66:295:06

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.65 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 5.74 kWh/m² in May across the year — October's 3.65 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in October

Hazard calendar for Akaiwa

In seasonPeak

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

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

Akaiwa's rainy season runs March–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 Akaiwa?

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

7.2
Sightseeing
1st-best month of the year
5.6
Beach & pool
6th-best month of the year

October is one of the better times to visit Akaiwa for general sightseeing.

What to pack for Akaiwa in October

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

In October, Akaiwa sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Akaiwa in October

The nearest coast averages about 24°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 38 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 Jun 7 to Nov 12 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Akaiwa 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 Akaiwa peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Akaiwa 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 Akaiwa is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1422 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Akaiwa?

Akaiwa sits at 34.8°N, 134.0°E, 47 m above sea level, in Japan. The nearest listed city is Okayama, 20 km away.

Topography around Akaiwa

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

Within 3 km, the terrain around Akaiwa has significant variations in elevation — a maximum elevation change of 251 m around an average of 102 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,692 m.

The land around Akaiwa is covered by trees (74%) within 3 km, trees (76%) within 16 km, and trees (65%) and water (23%) within 80 km.

3 km
251 m
16 km
518 m
80 km
1,692 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Okayama 20 km · Bizen 20 km · Setouchi 20 km · Hayashino 24 km · Tsuyama 27 km · Sōja 29 km · Kamigōri 32 km · Tamano 33 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 Akaiwa (34.8099°, 134.0215°, elevation 47 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).