Mutsu weather in January

In January, Mutsu sees average daytime highs of 1°C and overnight lows near -2°C, with 100 mm of precipitation across 18.4 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 1°C through the month. The sky is clear or mostly clear about 14% 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 Mutsu's 10th-clearest and 2nd-windiest month. For the whole year in context, see Mutsu's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
2nd coldest
Precipitation
100 mm
18.4 wet days
Daylight
9 h 18 min
7:05 AM – 4:24 PM
Cloud cover
66%
10th clearest
Wind
31 km/h
2nd windiest
Solar energy
2.07 kWh/m²
Travel score
0.0
out of 10

Mutsu is city in Aomori Prefecture, Japan.

Density
65/km²
people per km²
Founded
1959

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 1°C through the month.

A typical January day in Mutsu reaches about 1°C in the afternoon and slips back to -2°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 4°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

-5°10°151015202531
Avg high (°C)Avg low (°C)
12-1
22-1
32-1
42-1
51-1
61-1
71-1
81-1
91-1
101-1
111-1
121-1
131-1
141-2
151-2
161-2
171-2
181-2
191-2
201-2
211-2
221-2
231-2
241-2
251-2
261-2
271-2
281-2
291-2
301-2
311-2

How January really feels in Mutsu

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
wind chill below the day's low

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

Mutsu weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°10018.416.89.40.0
Feb / -2°71141410.30.0
Mar / 7112.2811.70.0
Apr / 7410.21.513.10.7
May11° / 9910.8014.32.7
Jun15° / 13°909.3014.94.6
Jul19° / 18°14011.7014.75.8
Aug22° / 20°15311.3013.76.4
Sep21° / 19°15112.3012.35.9
Oct15° / 13°11312.4010.94.5
Nov / 8613.21.69.71.5
Dec / 11016.411.29.10.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 26% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64159
74159
84159
94060
104060
114060
124060
134060
143961
154060
164060
174060
184060
194060
204060
214060
224060
234060
244060
254060
264159
274258
284159
294159
304159
314159

Chance of precipitation in January

Any precipitationSnow

Mutsu gets around 100 mm of rain and snow over 18.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 58% and peaks near 59% on the wettest days, and about 17 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15849
25849
35850
45851
55851
65952
75952
85952
95953
105953
115954
125954
135954
145954
155955
165855
175855
185855
195955
205955
215956
225956
235956
245956
255957
265857
275857
285757
295757
305656
315656

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 31 km/h in January.

Across January, daily wind ranges from about 31 km/h on the calmest days to 33 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
133windy
233windy
333windy
433windy
533windy
632windy
732windy
832windy
932windy
1032windy
1132windy
1232windy
1331windy
1431windy
1531windy
1631windy
1731windy
1831windy
1931windy
2031windy
2131windy
2231windy
2331windy
2431windy
2531windy
2631windy
2731windy
2831windy
2931windy
3031windy
3131windy

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 7:06 AM to 6:55 AM, and sunset from 4:10 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:064:10
29.17:064:11
39.17:064:12
49.17:074:13
59.17:074:14
69.17:074:14
79.17:064:15
89.27:064:16
99.27:064:17
109.27:064:18
119.27:064:19
129.27:064:20
139.37:054:21
149.37:054:22
159.37:054:23
169.37:054:24
179.47:044:25
189.47:044:26
199.47:034:28
209.47:034:29
219.57:024:30
229.57:024:31
239.57:014:32
249.57:004:33
259.67:004:35
269.66:594:36
279.66:584:37
289.76:584:38
299.76:574:39
309.76:564:41
319.86:554:42

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.07 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 5.67 kWh/m² in May across the year — January's 2.07 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
132.0Dim
142.0Dim
152.0Moderate
162.0Moderate
172.0Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in January

Hazard calendar for Mutsu

In seasonPeak

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

Mutsu 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 Mutsu?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Mutsu.

What to pack for Mutsu in January

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

In January, Mutsu sees daytime highs around 1°C and nights near -2°C. Pack a warm layer, a heavy coat, rain gear and a windbreaker. About 18 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Mutsu 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 offshore is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 31 to Oct 3 — about 2.1 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May11Bracing
Jun14Bracing
Jul18Cool
Aug22Refreshing
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Mutsu in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mutsu peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 1 (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 8Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May8Very high
Jun7Very high
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Mutsu 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 Mutsu is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1419 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb12Good
Mar17Moderate
Apr19Moderate
May16Moderate
Jun11Good
Jul10Good
Aug10Good
Sep9Good
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Mutsu?

Mutsu sits at 41.3°N, 141.2°E, 6 m above sea level, in Japan. The nearest listed city is Toyota, 60 km away.

Topography around Mutsu

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

Within 3 km, the terrain around Mutsu has only modest variations in elevation — a maximum elevation change of 63 m around an average of 14 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 868 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Mutsu is covered by trees (38%) and artificial surfaces (27%) within 3 km, trees (59%) and water (33%) within 16 km, and water (63%) and trees (31%) within 80 km.

3 km
63 m
16 km
868 m
80 km
1,559 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Toyota 60 km · Aomori 66 km · Hakodate 67 km · Misawa 69 km · Towada 74 km · Hitokawame 75 km · Kamiiso 76 km · Hokuto 76 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 Mutsu (41.2894°, 141.2169°, elevation 6 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).