Kamojimachō-jōgejima weather in January

In January, Kamojimachō-jōgejima sees average daytime highs of 8°C and overnight lows near 2°C, with 68 mm of precipitation across 7.6 wet days and about 10 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°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 48 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is Kamojimachō-jōgejima's 4th-clearest and 1st-windiest month. For the whole year in context, see Kamojimachō-jōgejima's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
68 mm
7.6 wet days
Daylight
10 hours
7:13 AM – 5:11 PM
Cloud cover
54%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
2.78 kWh/m²
Travel score
1.6
out of 10

Kamojimachō-jōgejima is human settlement in Japan.

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 8°C through the month.

A typical January day in Kamojimachō-jōgejima reaches about 8°C in the afternoon and slips back to 2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 12°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
192
292
392
492
592
692
792
892
982
1082
1182
1282
1382
1482
1582
1682
1782
1882
1981
2081
2181
2281
2381
2481
2581
2681
2781
2881
2981
3081
3181

How January really feels in Kamojimachō-jōgejima

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.

Kamojimachō-jōgejima weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 687.61.7101.6
Feb / 778.4210.71.9
Mar13° / 12712.10.511.73.4
Apr18° / 14911.8012.85.5
May22° / 14°18713.1013.76.1
Jun25° / 18°27917.5014.25.3
Jul29° / 23°275190144.3
Aug30° / 23°22217.8013.34.2
Sep26° / 20°28916012.25.5
Oct21° / 14°21812.2011.16.3
Nov16° / 1008.7010.25.2
Dec11° / 797.40.69.82.8

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 24% of January, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26832
36832
46733
56634
66634
76535
86436
96337
106238
116040
125941
135941
145941
155842
165743
175644
185644
195545
205545
215545
225545
235545
245545
255545
265644
275644
285644
295644
305743
315743

Chance of precipitation in January

Any precipitationSnow

Kamojimachō-jōgejima gets around 68 mm of rain and snow over 7.6 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 25% and peaks near 29% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1193
2193
3193
4193
5194
6194
7204
8214
9214
10224
11235
12245
13255
14265
15275
16286
17286
18296
19296
20297
21297
22297
23297
24297
25298
26298
27288
28288
29278
30279
31279

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

Across January, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 48 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 30 minutes over January. Sunrise moves from 7:13 AM to 7:07 AM, and sunset from 4:59 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:134:59
29.87:134:59
39.87:135:00
49.87:135:01
59.87:135:02
69.87:145:02
79.87:145:03
89.87:145:04
99.97:145:05
109.97:145:06
119.97:145:06
129.97:145:07
139.97:135:08
149.97:135:09
159.97:135:10
1610.07:135:11
1710.07:135:12
1810.07:135:13
1910.07:125:13
2010.07:125:14
2110.17:125:15
2210.17:115:16
2310.17:115:17
2410.17:115:18
2510.17:105:19
2610.27:105:20
2710.27:095:21
2810.27:095:22
2910.27:085:23
3010.37:085:24
3110.37:075:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.78 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 5.52 kWh/m² in May across the year — January's 2.78 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Kamojimachō-jōgejima

In seasonPeak

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

Kamojimachō-jōgejima sits in the Pacific typhoon belt; the season peaks July–October.

Kamojimachō-jōgejima's rainy season runs April–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Kamojimachō-jōgejima?

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

1.6
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 Kamojimachō-jōgejima.

What to pack for Kamojimachō-jōgejima in January

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

In January, Kamojimachō-jōgejima sees daytime highs around 8°C and nights near 2°C. Pack a warm layer. About 8 days see rain.

a warm layer

Sea temperature near Kamojimachō-jōgejima in January

The nearest coast averages about 15°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 26 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 19 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Refreshing
Dec17Cool

UV index in Kamojimachō-jōgejima in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kamojimachō-jōgejima peaks around July 11 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kamojimachō-jōgejima 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 Kamojimachō-jōgejima is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1320 µg/m³Sep 2010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec11Good
Location & terrain

Where is Kamojimachō-jōgejima?

Kamojimachō-jōgejima sits at 34.1°N, 134.4°E, 14 m above sea level, in Japan. The nearest listed city is Yoshinogawa, 6.0 km away.

Topography around Kamojimachō-jōgejima

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

Within 3 km, the terrain around Kamojimachō-jōgejima has significant variations in elevation — a maximum elevation change of 473 m around an average of 48 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,307 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,909 m.

The land around Kamojimachō-jōgejima is covered by trees (35%), artificial surfaces (30%) and cropland (21%) within 3 km, trees (73%) within 16 km, and water (49%) and trees (42%) within 80 km.

3 km
473 m
16 km
1,307 m
80 km
1,909 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Yoshinogawa 6.0 km · Awa 7.0 km · Ishii 8.0 km · Higashikagawa 16 km · Yakami 16 km · Takabō 18 km · Wakimachi 18 km · Mima 19 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 Kamojimachō-jōgejima (34.068°, 134.3503°, elevation 14 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).