Sukagawa weather in January

In January, Sukagawa sees average daytime highs of 4°C and overnight lows near -3°C, with 54 mm of precipitation across 7.2 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Sukagawa's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Sukagawa's year-round climate.

Daytime high
12th warmest
Overnight low
-3°
1st coldest
Precipitation
54 mm
7.2 wet days
Daylight
9 h 42 min
6:57 AM – 4:39 PM
Cloud cover
53%
2nd clearest
Wind
12 km/h
3rd windiest
Solar energy
2.72 kWh/m²
Travel score
0.0
out of 10

Sukagawa is city in Fukushima Prefecture, Japan.

Density
268/km²
people per km²
Founded
1954

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 4°C through the month.

A typical January day in Sukagawa reaches about 4°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)
15-2
24-2
34-2
44-2
54-2
64-2
74-2
84-2
94-2
104-2
114-3
124-3
134-3
144-3
154-3
164-3
174-3
183-3
193-3
203-3
213-3
223-3
233-3
243-3
253-3
263-3
273-3
283-3
294-3
304-3
314-3

How January really feels in Sukagawa

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.

Sukagawa weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°547.26.79.70.0
Feb / -3°497.25.110.60.1
Mar / 91114.911.71.6
Apr15° / 10311.51.312.94.2
May20° / 10°11512.30145.9
Jun23° / 15°13114.4014.55.7
Jul27° / 19°18717.6014.35.1
Aug28° / 20°14115.1013.45.2
Sep24° / 17°17114.5012.35.8
Oct18° / 10°15011.60115.4
Nov12° / 758.10.3103.4
Dec / -1°497.93.59.50.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26832
36832
46832
56832
66634
76634
86634
96436
106436
116337
126139
136139
146040
156040
165941
175842
185743
195743
205743
215743
225941
235941
245941
256040
265941
275941
286040
296040
306139
316040

Chance of precipitation in January

Any precipitationSnow

Sukagawa gets around 54 mm of rain and snow over 7.2 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 24% and peaks near 26% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12116
22117
32117
42118
52118
62119
72119
82119
92220
102220
112221
122321
132322
142422
152422
162423
172423
182423
192523
202523
212523
222523
232524
242524
252624
262624
272624
282623
292623
302623
312522

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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light 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
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 6:57 AM to 6:49 AM, and sunset from 4:26 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.56:574:26
29.56:584:27
39.56:584:27
49.56:584:28
59.56:584:29
69.56:584:30
79.56:584:31
89.66:584:31
99.66:584:32
109.66:584:33
119.66:584:34
129.66:584:35
139.66:574:36
149.76:574:37
159.76:574:38
169.76:574:39
179.76:574:40
189.76:564:41
199.86:564:42
209.86:564:43
219.86:554:44
229.86:554:45
239.96:544:46
249.96:544:47
259.96:534:48
269.96:534:49
2710.06:524:50
2810.06:514:51
2910.06:514:52
3010.06:504:53
3110.16:494:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.72 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.35 kWh/m² in May across the year — January's 2.72 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Sukagawa

In seasonPeak

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

Sukagawa 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 Sukagawa?

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 Sukagawa.

What to pack for Sukagawa in January

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

In January, Sukagawa sees daytime highs around 4°C and nights near -3°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

Sea temperature near Sukagawa in January

The nearest coast averages about 14°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 63 km away) is warmest in August at about 24°C and coldest in March near 12°C.

It's comfortable for a long swim from Jul 1 to Oct 22 — about 3.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Sukagawa 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 Sukagawa peaks around July 17 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Sukagawa 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 Sukagawa 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 Sukagawa?

Sukagawa sits at 37.3°N, 140.4°E, 261 m above sea level, in Japan. The nearest listed city is Yabuki, 11 km away.

Topography around Sukagawa

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

Within 3 km, the terrain around Sukagawa has only modest variations in elevation — a maximum elevation change of 62 m around an average of 257 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 729 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,029 m.

The land around Sukagawa is covered by artificial surfaces (34%), trees (33%) and cropland (29%) within 3 km, trees (53%) and cropland (29%) within 16 km, and trees (72%) within 80 km.

3 km
62 m
16 km
729 m
80 km
2,029 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Yabuki 11 km · Kōriyama 13 km · Ishikawa 16 km · Miharu 19 km · Shirakawa 21 km · Kumakura 24 km · Funehikimachi-funehiki 25 km · Tamura 25 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 Sukagawa (37.2833°, 140.3833°, elevation 261 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).