Aomori weather in January

In January, Aomori sees average daytime highs of -0°C and overnight lows near -6°C, with 65 mm of precipitation across 13.2 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near -0°C through the month. The sky is clear or mostly clear about 6% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Aomori's 10th-clearest and 3rd-windiest month. For the whole year in context, see Aomori's year-round climate.

Daytime high
-0°
12th warmest
Overnight low
-6°
1st coldest
Precipitation
65 mm
13.2 wet days
Daylight
9 h 24 min
7:05 AM – 4:28 PM
Cloud cover
71%
10th clearest
Wind
12 km/h
3rd windiest
Solar energy
2.21 kWh/m²
Travel score
0.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -0°C through the month.

A typical January day in Aomori reaches about -0°C in the afternoon and slips back to -6°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 3°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-10°-5°151015202531
Avg high (°C)Avg low (°C)
11-5
21-5
30-5
40-5
50-5
60-5
70-5
80-5
90-5
100-5
110-5
120-6
130-6
140-6
150-6
160-6
170-6
180-6
190-6
200-6
210-6
220-6
230-6
240-6
250-6
260-6
270-6
280-6
290-6
300-6
310-6

How January really feels in Aomori

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
27 feel bitter (≤ -10°C)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Aomori weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42872
52872
62773
72773
82773
92773
102674
112674
122674
132674
142674
152674
162773
172773
182773
192773
202773
212674
222674
232674
242674
252674
262674
272674
282575
292575
302575
312575

Chance of precipitation in January

Any precipitationSnow

Aomori gets around 65 mm of rain and snow over 13.2 wet days in January, the driest month. 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 45% on the wettest days, and about 18 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14456
24456
34457
44357
54357
64357
74257
84258
94258
104158
114158
124158
134058
144058
154058
164058
174058
184058
194058
204159
214159
224259
234260
244360
254361
264461
274461
284461
294462
304462
314562

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:07 AM to 6:56 AM, and sunset from 4:14 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:074:14
29.17:074:15
39.17:074:15
49.27:074:16
59.27:074:17
69.27:074:18
79.27:074:19
89.27:074:20
99.27:074:21
109.27:074:22
119.37:064:23
129.37:064:24
139.37:064:25
149.37:064:26
159.47:054:27
169.47:054:28
179.47:054:29
189.47:044:30
199.57:044:31
209.57:034:32
219.57:034:33
229.57:024:34
239.67:024:35
249.67:014:37
259.67:004:38
269.77:004:39
279.76:594:40
289.76:584:41
299.76:584:42
309.86:574:44
319.86:564:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.21 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 — January's 2.21 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
22.0Dim
32.0Dim
42.0Dim
52.0Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Aomori

In seasonPeak

In January, 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 January a good time to visit Aomori?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Aomori.

What to pack for Aomori in January

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

In January, Aomori sees daytime highs around -0°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Aomori in January

The nearest coast averages about 10°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).