Fuji weather in January

In January, Fuji sees average daytime highs of 7°C and overnight lows near -1°C, with 102 mm of precipitation across 11.1 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Fuji's 1st-clearest and 5th-windiest month. For the whole year in context, see Fuji's year-round climate.

Daytime high
12th warmest
Overnight low
-1°
2nd coldest
Precipitation
102 mm
11.1 wet days
Daylight
9 h 54 min
6:58 AM – 4:51 PM
Cloud cover
45%
1st clearest
Wind
6 km/h
5th windiest
Solar energy
2.96 kWh/m²
Travel score
0.8
out of 10

Fuji is city in Shizuoka Prefecture, Japan.

Founded
1966

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 7°C through the month.

A typical January day in Fuji reaches about 7°C in the afternoon and slips back to -1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 10°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
181
281
380
480
570
670
770
870
970
1070
1170
1270
1370
1470
157-1
167-1
177-1
187-1
197-1
206-1
216-1
226-1
236-1
246-1
256-1
266-1
276-2
286-2
296-2
306-2
317-2

How January really feels in Fuji

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.

Fuji 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 / -1°10211.14.99.90.8
Feb / -1°11612.15.910.71.0
Mar11° / 20216.63.611.72.2
Apr16° / 19414.90.512.94.2
May20° / 12°19414.9013.85.4
Jun23° / 16°25718014.35.1
Jul27° / 20°27519.5014.14.9
Aug27° / 21°19718.6013.35.1
Sep24° / 18°27916.5012.25.5
Oct19° / 13°26515.9011.15.3
Nov14° / 14812.70.110.24.0
Dec10° / 10110.91.19.72.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
77030
86931
96832
106733
116634
126535
136337
146238
156139
166139
176040
185941
195941
205941
215941
225941
236040
245941
256040
266139
276139
286139
296139
306238
316238

Chance of precipitation in January

Any precipitationSnow

Fuji gets around 102 mm of rain and snow over 11.1 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 37% and peaks near 41% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1317
2318
3318
4319
53210
63210
73211
83312
93413
103514
113615
123715
133816
143817
153917
164018
174019
184019
194119
204120
214120
224120
234020
244020
253920
263920
273820
283821
293721
303721
313721

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 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 6:58 AM to 6:52 AM, and sunset from 4:38 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:584:38
29.76:594:39
39.76:594:40
49.76:594:41
59.76:594:41
69.76:594:42
79.76:594:43
89.76:594:44
99.86:594:45
109.86:594:45
119.86:594:46
129.86:594:47
139.86:594:48
149.86:594:49
159.96:594:50
169.96:584:51
179.96:584:52
189.96:584:53
199.96:584:54
2010.06:574:55
2110.06:574:55
2210.06:574:56
2310.06:564:57
2410.06:564:58
2510.16:554:59
2610.16:555:00
2710.16:545:01
2810.16:545:02
2910.26:535:03
3010.26:525:04
3110.26:525:05

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.96 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.34 kWh/m² in May across the year — January's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.1Moderate
263.1Moderate
273.1Moderate
283.2Moderate
293.2Moderate
303.3Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Fuji

In seasonPeak

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

Fuji 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 Fuji?

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

0.8
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Fuji.

What to pack for Fuji in January

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

In January, Fuji sees daytime highs around 7°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Fuji in January

The nearest coast averages about 16°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Fuji in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fuji peaks around July 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Fuji 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 Fuji is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Fuji?

Fuji sits at 35.2°N, 138.7°E, 9 m above sea level, in Japan. The nearest listed city is Fujinomiya, 8.0 km away.

Topography around Fuji

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

Within 3 km, the terrain around Fuji has only modest variations in elevation — a maximum elevation change of 187 m around an average of 36 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,498 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Fuji is covered by artificial surfaces (83%) within 3 km, trees (50%) and water (30%) within 16 km, and trees (58%) and water (32%) within 80 km.

3 km
187 m
16 km
1,498 m
80 km
3,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Fujinomiya 8.0 km · Numazu 18 km · Nakatogari 20 km · Fushimi 20 km · Susono 20 km · Mishima 22 km · Kamizawa 26 km · Izunokuni 28 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 Fuji (35.1667°, 138.6833°, elevation 9 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).