Ichinoseki weather in January

In January, Ichinoseki sees average daytime highs of 3°C and overnight lows near -3°C, with 50 mm of precipitation across 8.7 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 3°C through the month. The sky is clear or mostly clear about 26% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Ichinoseki's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Ichinoseki's year-round climate.

Daytime high
12th warmest
Overnight low
-3°
1st coldest
Precipitation
50 mm
8.7 wet days
Daylight
9 h 36 min
6:58 AM – 4:31 PM
Cloud cover
59%
2nd clearest
Wind
11 km/h
2nd windiest
Solar energy
2.46 kWh/m²
Travel score
0.0
out of 10

Ichinoseki is city in Iwate Prefecture, Japan.

Density
91/km²
people per km²
Founded
1948

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 3°C through the month.

A typical January day in Ichinoseki reaches about 3°C in the afternoon and slips back to -3°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 7°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-2
24-2
34-2
44-2
54-2
64-3
74-3
84-3
94-3
104-3
113-3
123-3
133-3
143-3
153-3
163-3
173-3
183-3
193-3
203-3
213-3
223-3
233-3
243-4
253-4
263-4
273-4
283-4
293-4
303-4
313-4

How January really feels in Ichinoseki

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.

Ichinoseki weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°508.77.89.60.0
Feb / -3°468.26.610.50.1
Mar / -0°8711.75.411.71.5
Apr14° / 9211.61134.1
May19° / 10°10411.6014.15.8
Jun22° / 15°11512.1014.76.0
Jul26° / 19°15615.9014.45.5
Aug27° / 21°14214.8013.55.5
Sep24° / 17°14912.9012.36.0
Oct18° / 10°12210.30115.7
Nov12° / 649.40.99.93.2
Dec / -1°5810.15.49.30.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 28% of January, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55545
65545
75446
85545
95545
105446
115446
125446
135446
145347
155347
165347
175347
185347
195347
205347
215347
225347
235446
245446
255446
265446
275446
285545
295545
305545
315446

Chance of precipitation in January

Any precipitationSnow

Ichinoseki gets around 50 mm of rain and snow over 8.7 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 29% and peaks near 30% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13023
23024
32924
42925
52925
62925
72925
82826
92926
102926
112926
122926
132926
142926
152926
162926
172925
182925
192925
202925
212925
222924
232925
242925
252925
262825
272825
282825
292825
302725
312725

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 11 km/h in January.

Across January, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 18 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 6:59 AM to 6:50 AM, and sunset from 4:18 PM to 4:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.36:594:18
29.36:594:19
39.36:594:20
49.37:004:20
59.47:004:21
69.47:004:22
79.47:004:23
89.47:004:24
99.47:004:25
109.46:594:26
119.56:594:26
129.56:594:27
139.56:594:28
149.56:594:29
159.56:584:30
169.66:584:31
179.66:584:32
189.66:574:33
199.66:574:34
209.66:574:35
219.76:564:37
229.76:564:38
239.76:554:39
249.86:554:40
259.86:544:41
269.86:534:42
279.86:534:43
289.96:524:44
299.96:514:45
309.96:514:46
3110.06:504:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.46 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.35 kWh/m² in May across the year — January's 2.46 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in January

Hazard calendar for Ichinoseki

In seasonPeak

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

Ichinoseki 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 Ichinoseki?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Ichinoseki.

What to pack for Ichinoseki in January

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

In January, Ichinoseki sees daytime highs around 3°C and nights near -3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Ichinoseki in January

The nearest coast averages about 11°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 43 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 21 to Oct 3 — about 2.5 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb8Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun17Cool
Jul20Cool
Aug22Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Ichinoseki 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 Ichinoseki peaks around August 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highVery highModerateLowAug 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ichinoseki 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 Ichinoseki is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Ichinoseki?

Ichinoseki sits at 38.9°N, 141.1°E, 30 m above sea level, in Japan. The nearest listed city is Kurihara, 22 km away.

Topography around Ichinoseki

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

Within 3 km, the terrain around Ichinoseki has only modest variations in elevation — a maximum elevation change of 150 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 590 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,889 m.

The land around Ichinoseki is covered by trees (52%) and artificial surfaces (35%) within 3 km, trees (74%) within 16 km, and trees (64%) within 80 km.

3 km
150 m
16 km
590 m
80 km
1,889 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Kurihara 22 km · Tome 23 km · Mizusawa 24 km · Ōshū 25 km · Kanegasaki 32 km · Kesennuma 38 km · Ōsaki 39 km · Kitakami 41 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 Ichinoseki (38.9167°, 141.1333°, elevation 30 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).