Fukuroi weather in January

In January, Fukuroi sees average daytime highs of 10°C and overnight lows near 4°C, with 77 mm of precipitation across 6 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 10°C through the month. The sky is clear or mostly clear about 63% 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 18 min by month's end. Set against the rest of the year, January is Fukuroi's 2nd-clearest and 1st-windiest month. For the whole year in context, see Fukuroi's year-round climate.

Daytime high
10°
12th warmest
Overnight low
1st coldest
Precipitation
77 mm
6 wet days
Daylight
9 h 54 min
7:00 AM – 4:55 PM
Cloud cover
36%
2nd clearest
Wind
16 km/h
1st windiest
Solar energy
3.04 kWh/m²
Travel score
2.6
out of 10

Fukuroi is city in Shizuoka Prefecture, Japan.

Density
816/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 10°C through the month.

A typical January day in Fukuroi reaches about 10°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 13°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°151015202531
Avg high (°C)Avg low (°C)
1115
2114
3114
4114
5104
6104
7104
8104
9104
10104
11104
12104
13104
14104
15104
16104
17104
18104
19104
20104
21104
22104
23104
24104
25104
26103
27103
28103
29103
30103
31103

How January really feels in Fukuroi

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 11 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
11
wind chill below the day's low

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

Fukuroi 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
Jan10° / 7760.19.92.6
Feb11° / 977.30.510.72.9
Mar14° / 16011.40.111.74.0
Apr18° / 11°17311.3012.85.7
May22° / 16°19612.5013.86.2
Jun25° / 20°27115.9014.35.5
Jul29° / 24°29016.8014.14.6
Aug30° / 25°17417013.34.2
Sep27° / 22°25817.1012.25.2
Oct22° / 17°22713.5011.16.2
Nov17° / 12°13110.1010.25.7
Dec12° / 767.109.73.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67822
77723
87624
97624
107426
117327
127228
137129
147129
157030
166931
176931
186832
196832
206832
216832
226832
236832
246832
256832
266931
276931
287030
297030
307129
317129

Chance of precipitation in January

Any precipitation

Fukuroi gets around 77 mm of rain and snow over 6 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 20% and peaks near 23% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
117
217
316
416
516
617
717
818
918
1019
1120
1221
1321
1422
1522
1623
1723
1823
1923
2023
2123
2223
2322
2422
2522
2621
2721
2821
2920
3020
3120

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 16 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 18 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 7:00 AM to 6:54 AM, and sunset from 4:43 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:004:43
29.77:014:43
39.77:014:44
49.77:014:45
59.77:014:46
69.87:014:46
79.87:014:47
89.87:014:48
99.87:014:49
109.87:014:50
119.87:014:50
129.87:014:51
139.97:014:52
149.97:014:53
159.97:014:54
169.97:004:55
179.97:004:56
189.97:004:57
1910.07:004:58
2010.06:594:59
2110.06:594:59
2210.06:595:00
2310.16:585:01
2410.16:585:02
2510.16:575:03
2610.16:575:04
2710.16:565:05
2810.26:565:06
2910.26:555:07
3010.26:555:08
3110.36:545:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.04 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.48 kWh/m² in May across the year — January's 3.04 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.9Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.4Moderate
Planning a trip in January

Hazard calendar for Fukuroi

In seasonPeak

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

Fukuroi 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 Fukuroi?

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

2.6
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Fukuroi.

What to pack for Fukuroi in January

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

In January, Fukuroi sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Fukuroi 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 at the nearest coast (about 14 km away) is warmest in August at about 27°C and coldest in February near 16°C.

It's comfortable for a long swim from May 25 to Nov 29 — about 6.2 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec19Cool

UV index in Fukuroi 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 Fukuroi peaks around July 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 20UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Fukuroi 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 Fukuroi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May19Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Fukuroi?

Fukuroi sits at 34.8°N, 137.9°E, 11 m above sea level, in Japan. The nearest listed city is Iwata, 8.0 km away.

Topography around Fukuroi

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

Within 3 km, the terrain around Fukuroi has only modest variations in elevation — a maximum elevation change of 88 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 555 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,995 m.

The land around Fukuroi is covered by artificial surfaces (47%), cropland (24%) and trees (20%) within 3 km, trees (39%) and artificial surfaces (27%) within 16 km, and trees (47%) and water (43%) within 80 km.

3 km
88 m
16 km
555 m
80 km
2,995 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Iwata 8.0 km · Kakegawa 9.0 km · Mori 9.0 km · Hamakita 13 km · Hamamatsu 18 km · Kikugawa 19 km · Maruobara 21 km · Kanaya 21 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 Fukuroi (34.75°, 137.9167°, elevation 11 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).