Kasumi weather in January

In January, Kasumi sees average daytime highs of 8°C and overnight lows near 4°C, with 200 mm of precipitation across 23.9 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 3rd-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 4% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Kasumi's 11th-clearest and 1st-windiest month. For the whole year in context, see Kasumi's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
200 mm
23.9 wet days
Daylight
9 h 48 min
7:16 AM – 5:06 PM
Cloud cover
70%
11th clearest
Wind
23 km/h
1st windiest
Solar energy
2.3 kWh/m²
Travel score
0.8
out of 10

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 Kasumi reaches about 8°C in the afternoon and slips back to 4°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
195
285
385
485
585
685
785
885
985
1085
1185
1285
1385
1484
1574
1674
1774
1874
1974
2074
2174
2274
2374
2474
2574
2674
2774
2874
2974
3074
3174

How January really feels in Kasumi

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 16 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
16
wind chill below the day's low

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

Kasumi weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 20023.97.19.90.8
Feb / 13517.85.610.70.9
Mar10° / 14215.71.811.72.1
Apr15° / 10°11611.5012.94.2
May19° / 15°14311.5013.95.9
Jun22° / 19°15612.6014.45.9
Jul26° / 23°18614.8014.25.8
Aug28° / 25°13212.5013.35.7
Sep25° / 22°20714.3012.26.0
Oct20° / 17°13912.3011.16.0
Nov15° / 12°13516010.14.0
Dec10° / 20722.43.19.61.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63367
73367
83268
93268
103268
113268
123268
133268
143169
153070
163169
173169
183070
193070
203070
213070
222971
232971
243070
253070
263070
273070
283169
293169
303169
313169

Chance of precipitation in January

Any precipitationSnow

Kasumi gets around 200 mm of rain and snow over 23.9 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 76% and peaks near 78% on the wettest days, and about 7 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
17517
27517
37517
47618
57618
67618
77619
87619
97619
107620
117620
127620
137621
147621
157622
167622
177623
187724
197724
207725
217825
227826
237826
247827
257827
267728
277728
287729
297629
307529
317528

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

Across January, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2423breezy
2523breezy
2623breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 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 36 minutes over January. Sunrise moves from 7:16 AM to 7:09 AM, and sunset from 4:53 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:164:53
29.67:164:54
39.67:164:55
49.77:164:56
59.77:164:56
69.77:164:57
79.77:174:58
89.77:174:59
99.77:175:00
109.77:175:00
119.77:165:01
129.87:165:02
139.87:165:03
149.87:165:04
159.87:165:05
169.87:165:06
179.97:155:07
189.97:155:08
199.97:155:09
209.97:155:10
219.97:145:11
2210.07:145:12
2310.07:135:13
2410.07:135:14
2510.07:125:15
2610.17:125:16
2710.17:115:17
2810.17:115:18
2910.17:105:19
3010.27:105:20
3110.27:095:21

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.3 kWh/m².

For context, solar energy here swings from a low near 1.99 kWh/m² to a high of 5.59 kWh/m² in May across the year — January's 2.3 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.7Moderate
Planning a trip in January

Hazard calendar for Kasumi

In seasonPeak

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

Kasumi 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 Kasumi?

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 Kasumi.

What to pack for Kasumi in January

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

In January, Kasumi sees daytime highs around 8°C and nights near 4°C. Pack a warm layer and rain gear. Worth having: a heavy coat and a windbreaker. About 24 days see rain.

a warm layerrain geara heavy coata windbreaker

Sea temperature near Kasumi 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 offshore is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 13 to Nov 7 — about 4.9 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Kasumi 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 Kasumi peaks around July 16 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 highVery highModerateJul 16UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Kasumi 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 Kasumi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1221 µg/m³Sep 1710 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct10Good
Nov11Good
Dec12Good
Location & terrain

Where is Kasumi?

Kasumi sits at 35.6°N, 134.6°E, 46 m above sea level, in Japan. The nearest listed city is Toyooka, 20 km away.

Topography around Kasumi

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

Within 3 km, the terrain around Kasumi has significant variations in elevation — a maximum elevation change of 375 m around an average of 86 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 955 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,487 m.

The land around Kasumi is covered by trees (70%) within 3 km, trees (57%) and water (40%) within 16 km, and trees (56%) and water (38%) within 80 km.

3 km
375 m
16 km
955 m
80 km
1,487 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Toyooka 20 km · Yabu 28 km · Kyōtango 37 km · Tottori-shi 39 km · Wadayama 41 km · Kōge 42 km · Yotsutsuji 44 km · Miyazu 52 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 Kasumi (35.6333°, 134.6333°, elevation 46 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).