Kirishima weather in January

In January, Kirishima sees average daytime highs of 11°C and overnight lows near 3°C, with 80 mm of precipitation across 8.3 wet days and about 10.2 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 30% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Kirishima's 4th-clearest and 1st-windiest month. For the whole year in context, see Kirishima's year-round climate.

Daytime high
11°
12th warmest
Overnight low
1st coldest
Precipitation
80 mm
8.3 wet days
Daylight
10 h 06 min
7:22 AM – 5:30 PM
Cloud cover
57%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
2.8 kWh/m²
Travel score
2.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical January day in Kirishima reaches about 11°C in the afternoon and slips back to 3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1123
2123
3113
4113
5113
6113
7113
8113
9113
10113
11113
12113
13113
14113
15113
16113
17113
18112
19112
20112
21112
22112
23112
24112
25112
26112
27112
28112
29112
30112
31112

How January really feels in Kirishima

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 18 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
18
wind chill below the day's low

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

Kirishima 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 daysDaylight (hours)Travel score
Jan11° / 808.310.22.8
Feb12° / 102910.83.3
Mar16° / 15712.911.84.6
Apr20° / 11°18111.812.85.9
May24° / 15°20511.713.66.4
Jun26° / 20°48819.9144.8
Jul30° / 24°29919.413.93.9
Aug31° / 24°17418.313.23.8
Sep28° / 21°2021512.25.2
Oct24° / 15°114911.27.1
Nov18° / 1078.210.46.2
Dec13° / 817.1104.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45446
55446
65347
75248
85149
95149
105050
114852
124852
134852
144753
154654
164654
174654
184654
194654
204654
214654
224654
234654
244753
254753
264852
274852
284951
294951
304951
314951

Chance of precipitation in January

Any precipitationSnow

Kirishima gets around 80 mm of rain and snow over 8.3 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 27% and peaks near 29% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1221
2221
3221
4231
5231
6241
7241
8241
9251
10251
11261
12261
13271
14271
15281
16281
17291
18291
19291
20291
21291
22291
23291
24292
25292
26292
27282
28282
29272
30272
31261

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 9 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 hours at the start of January to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:21 AM to 7:17 AM, and sunset from 5:19 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:215:19
210.07:225:20
310.07:225:20
410.07:225:21
510.07:225:22
610.07:225:22
710.07:225:23
810.07:225:24
910.07:225:25
1010.17:225:25
1110.17:225:26
1210.17:225:27
1310.17:225:28
1410.17:225:29
1510.17:225:30
1610.17:225:30
1710.27:225:31
1810.27:225:32
1910.27:225:33
2010.27:215:34
2110.27:215:35
2210.27:215:36
2310.37:205:36
2410.37:205:37
2510.37:205:38
2610.37:195:39
2710.47:195:40
2810.47:185:41
2910.47:185:42
3010.47:175:43
3110.47:175:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.8 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 5 kWh/m² in May across the year — January's 2.8 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
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Kirishima

In seasonPeak

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

Kirishima sits in the Pacific typhoon belt; the season peaks July–October.

Kirishima's rainy season runs June–July, 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 Kirishima?

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

2.8
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Kirishima.

What to pack for Kirishima in January

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

In January, Kirishima sees daytime highs around 11°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Kirishima in January

The nearest coast averages about 19°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 43 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 24 to Dec 26 — about 8.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr20Cool
May21Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kirishima 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 Kirishima peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Kirishima 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 Kirishima is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1012 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb19Moderate
Mar22Moderate
Apr23Moderate
May21Moderate
Jun17Moderate
Jul12Moderate
Aug14Moderate
Sep12Moderate
Oct12Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Kirishima?

Kirishima sits at 31.7°N, 130.8°E, 10 m above sea level, in Japan. The nearest listed city is Kokubu-matsuki, 1.0 km away.

Topography around Kirishima

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

Within 3 km, the terrain around Kirishima has only modest variations in elevation — a maximum elevation change of 219 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 603 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,680 m.

The land around Kirishima is covered by artificial surfaces (50%) and trees (27%) within 3 km, trees (61%) and water (25%) within 16 km, and trees (55%) and water (36%) within 80 km.

3 km
219 m
16 km
603 m
80 km
1,680 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Kokubu-matsuki 1.0 km · Hamanoichi 4.0 km · Kajiki 9.0 km · Aira 17 km · Soo 24 km · Sueyoshichō-ninokata 26 km · Kagoshima 28 km · Miyakonojō 29 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 Kirishima (31.7409°, 130.7629°, elevation 10 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).