Aizu-Wakamatsu weather in October

In October, Aizu-Wakamatsu sees average daytime highs of 17°C and overnight lows near 10°C, with 125 mm of rain across 11.7 wet days and about 11 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 20% 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 30 min by month's end. Set against the rest of the year, October is Aizu-Wakamatsu's 3rd-clearest and 8th-windiest month. For the whole year in context, see Aizu-Wakamatsu's year-round climate.

Daytime high
17°
6th warmest
Overnight low
10°
8th coldest
Rainfall
125 mm
11.7 wet days
Daylight
11 hours
5:55 AM – 4:56 PM
Cloud cover
67%
3rd clearest
Wind
8 km/h
8th windiest
Solar energy
2.87 kWh/m²
Travel score
5.1
out of 10

Aizu-Wakamatsu is city in Fukushima prefecture, Japan.

Density
309/km²
people per km²
Founded
1955

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 19°C in the first days to 15°C by the end.

A typical October day in Aizu-Wakamatsu reaches about 17°C in the afternoon and slips back to 10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12013
22013
32013
41912
51912
61912
71912
81912
91811
101811
111811
121811
131810
141710
151710
161710
171710
18179
19179
20169
21169
22169
23168
24168
25158
26158
27158
28157
29157
30147
31147

How October really feels in Aizu-Wakamatsu

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.

Aizu-Wakamatsu 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 / -4°10018.919.89.70.0
Feb / -4°7315.315.410.60.0
Mar / -1°10115.610.611.70.7
Apr13° / 9512.82.412.93.5
May19° / 9511.80145.8
Jun23° / 15°11712.5014.56.0
Jul26° / 19°18017014.35.4
Aug27° / 20°13213.9013.45.7
Sep23° / 16°14413012.36.0
Oct17° / 10°12511.70115.1
Nov11° / 8213.22.6102.5
Dec / -1°9318.113.59.50.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23367
33367
43466
53466
63466
73664
83664
93664
103763
113763
123763
133862
143862
153961
163961
173961
184060
194060
204159
214060
224258
234258
244357
254258
264258
274357
284456
294456
304456
314654

Chance of precipitation in October

Any precipitation

Aizu-Wakamatsu gets around 125 mm of rain over 11.7 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
239
339
439
538
638
737
837
936
1036
1135
1235
1334
1434
1534
1634
1734
1835
1935
2036
2136
2237
2338
2438
2539
2639
2740
2840
2940
3040
3140

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14639133
24838122
35037112
45336101
5563491
6573391
7603181
8632980
9672670
10692470
11722260
12742060
13781750
14801550
15821440
16841240
17871030
1888930
1990820
2091720
2192620
2294510
2395410
2495410
2596310
2697300
2797300
2898200
2998200
3098200
3198200

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 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 5:41 AM to 6:10 AM, and sunset from 5:18 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:415:18
211.65:425:16
311.55:425:15
411.55:435:13
511.55:445:12
611.45:455:10
711.45:465:09
811.35:475:07
911.35:485:06
1011.35:495:04
1111.25:505:03
1211.25:515:01
1311.15:525:00
1411.15:534:59
1511.15:544:57
1611.05:554:56
1711.05:564:54
1810.95:574:53
1910.95:584:52
2010.95:594:50
2110.86:004:49
2210.86:014:48
2310.76:024:47
2410.76:034:45
2510.76:044:44
2610.66:054:43
2710.66:064:42
2810.66:074:41
2910.56:084:40
3010.56:094:39
3110.56:104:37

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.87 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.33 kWh/m² in May across the year — October's 2.87 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Hazard calendar for Aizu-Wakamatsu

In seasonPeak

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

Aizu-Wakamatsu 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 Aizu-Wakamatsu?

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

5.1
Sightseeing
6th-best month of the year
1.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Aizu-Wakamatsu for sightseeing.

What to pack for Aizu-Wakamatsu in October

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

In October, Aizu-Wakamatsu sees daytime highs around 17°C and nights near 10°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Aizu-Wakamatsu 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 Aizu-Wakamatsu peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateAug 12UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Aizu-Wakamatsu 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 Aizu-Wakamatsu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug12Good
Sep11Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Aizu-Wakamatsu?

Aizu-Wakamatsu sits at 37.5°N, 139.9°E, 238 m above sea level, in Japan. The nearest listed city is Bange, 14 km away.

Topography around Aizu-Wakamatsu

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

Within 3 km, the terrain around Aizu-Wakamatsu has significant variations in elevation — a maximum elevation change of 539 m around an average of 322 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,422 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,125 m.

The land around Aizu-Wakamatsu is covered by trees (49%) and artificial surfaces (45%) within 3 km, trees (53%) and cropland (27%) within 16 km, and trees (85%) within 80 km.

3 km
539 m
16 km
1,422 m
80 km
2,125 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Bange 14 km · Aizu-misato Machi 15 km · Kitakata 19 km · Kōriyama 40 km · Motomiya 40 km · Kumakura 43 km · Nihommatsu 44 km · Sukagawa 45 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 Aizu-Wakamatsu (37.4914°, 139.9455°, elevation 238 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). 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).