Aomori weather in October

In October, Aomori sees average daytime highs of 16°C and overnight lows near 8°C, with 112 mm of precipitation across 13 wet days and about 10.9 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 14°C by the end. The sky is clear or mostly clear about 25% 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 18 min by month's end. Set against the rest of the year, October is Aomori's 2nd-clearest and 7th-windiest month. For the whole year in context, see Aomori's year-round climate.

Daytime high
16°
6th warmest
Overnight low
7th coldest
Precipitation
112 mm
13 wet days
Daylight
10 h 54 min
5:55 AM – 4:49 PM
Cloud cover
62%
2nd clearest
Wind
10 km/h
7th windiest
Solar energy
2.97 kWh/m²
Travel score
4.7
out of 10

Aomori is city in Aomori Prefecture, Japan.

Density
362/km²
people per km²
Founded
2005

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 14°C by the end.

A typical October day in Aomori reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, October runs about 6°C cooler than September and about 7°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11912
21911
31911
41911
51911
61811
71810
81810
91810
101810
11179
12179
13179
14179
15179
16168
17168
18168
19168
20168
21157
22157
23157
24157
25147
26146
27146
28146
29146
30136
31136

How October really feels in Aomori

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.

Aomori 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-0° / -6°6513.218.39.40.0
Feb / -5°651315.610.40.0
Mar / -2°8615.111.711.70.3
Apr12° / 8613.52.713.13.0
May18° / 10112.90.114.25.3
Jun21° / 14°10412.4014.95.9
Jul25° / 18°15815.4014.65.8
Aug26° / 20°16915.5013.65.7
Sep23° / 15°14513012.36.0
Oct16° / 112130.110.94.7
Nov / 8714.64.79.71.7
Dec / -3°8214.6159.10.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34159
44060
54159
64258
74258
84357
94357
104456
114555
124654
134753
144753
154951
164852
174951
185050
195050
205050
215050
225050
235050
245050
255050
265050
275149
285149
295149
305050
315050

Chance of precipitation in October

Any precipitationSnow

Aomori gets around 112 mm of rain and snow over 13 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1430
2440
3440
4440
5440
6440
7440
8440
9440
10430
11430
12420
13420
14410
15411
16411
17401
18401
19401
20401
21401
22401
23401
24401
25411
26411
27411
28411
29421
30421
31422

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1652681
2672571
3692461
4702361
5722251
6752140
7771940
8791830
9811630
10831520
11851320
12861220
13881110
14891010
1590910
1691810
1792710
1893610
1995500
2096400
2196400
2297300
2397300
2498200
2598200
2698200
2798200
2899100
2999100
3099100
3199100

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 5:39 AM to 6:13 AM, and sunset from 5:13 PM to 4:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:395:13
211.55:405:11
311.55:415:10
411.45:425:08
511.45:435:06
611.35:445:05
711.35:455:03
811.35:465:01
911.25:485:00
1011.25:494:58
1111.15:504:57
1211.15:514:55
1311.05:524:53
1411.05:534:52
1510.95:544:50
1610.95:554:49
1710.85:564:47
1810.85:584:46
1910.85:594:44
2010.76:004:43
2110.76:014:42
2210.66:024:40
2310.66:034:39
2410.56:054:37
2510.56:064:36
2610.56:074:35
2710.46:084:33
2810.46:094:32
2910.36:104:31
3010.36:124:30
3110.36:134:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.97 kWh/m².

For context, solar energy here swings from a low near 1.77 kWh/m² to a high of 5.5 kWh/m² in May across the year — October's 2.97 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Aomori

In seasonPeak

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

Aomori 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 Aomori?

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

4.7
Sightseeing
6th-best month of the year
1.0
Beach & pool
6th-best month of the year

October is a reasonable time to visit Aomori for sightseeing.

What to pack for Aomori in October

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

In October, Aomori sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Aomori 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 at the nearest coast (about 14 km away) is warmest in August at about 23°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 24 to Oct 7 — about 2.5 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr8Bracing
May11Bracing
Jun15Cool
Jul19Cool
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Aomori in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aomori peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May8Very high
Jun8Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Aomori 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 Aomori 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 1421 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Aomori?

Aomori sits at 40.8°N, 140.7°E, 7 m above sea level, in Japan. The nearest listed city is Namioka, 17 km away.

Topography around Aomori

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

Within 3 km, the terrain around Aomori has only modest variations in elevation — a maximum elevation change of 60 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 859 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,715 m.

The land around Aomori is covered by artificial surfaces (71%) within 3 km, trees (61%) and water (23%) within 16 km, and trees (52%) and water (39%) within 80 km.

3 km
60 m
16 km
859 m
80 km
1,715 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Namioka 17 km · Kuroishi 23 km · Goshogawara 25 km · Tsugaru 28 km · Hirakawa 29 km · Shimokizukuri 30 km · Hirosaki 33 km · Toyota 44 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 Aomori (40.8167°, 140.7333°, elevation 7 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).