Kirishima in Winter
In winter (December, January and February), Kirishima sees average daytime highs around 12°C and overnight lows near 3°C, with 263 mm of precipitation over about 24 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 12°C. The sky is clear or mostly clear about 33% of the time across winter, and the air most often feels dry.
Winter is Kirishima's weakest season of the year to visit on our travel score. For the whole year in context, see Kirishima's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 3°C
- Precipitation
- 263 mm
- 24 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Kirishima in Winter
Across winter, daytime highs hold fairly steady around 12°C.
A typical winter day in Kirishima reaches about 12°C and drops to 3°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Kirishima
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 24 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Kirishima weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 3° | 80 | 8.3 | 10.2 | 2.8 |
| Feb | 12° / 3° | 102 | 9 | 10.8 | 3.3 |
| Mar | 16° / 6° | 157 | 12.9 | 11.8 | 4.6 |
| Apr | 20° / 11° | 181 | 11.8 | 12.8 | 5.9 |
| May | 24° / 15° | 205 | 11.7 | 13.6 | 6.4 |
| Jun | 26° / 20° | 488 | 19.9 | 14 | 4.8 |
| Jul | 30° / 24° | 299 | 19.4 | 13.9 | 3.9 |
| Aug | 31° / 24° | 174 | 18.3 | 13.2 | 3.8 |
| Sep | 28° / 21° | 202 | 15 | 12.2 | 5.2 |
| Oct | 24° / 15° | 114 | 9 | 11.2 | 7.1 |
| Nov | 18° / 9° | 107 | 8.2 | 10.4 | 6.2 |
| Dec | 13° / 4° | 81 | 7.1 | 10 | 4.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 33% of the time across winter.
Chance of precipitation in Winter
Kirishima gets around 263 mm of rain and snow over 24 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 06 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.9 kWh/m².
Hazard calendar for Kirishima
In winter, Kirishima overlaps 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.
Is winter a good time to visit Kirishima?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Kirishima.
What to pack for Kirishima in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Kirishima sees daytime highs around 12°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 24 days see rain.
Sea temperature near Kirishima in Winter
The nearest coast averages about 19°C across winter — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 18 | 20 | 21 | 24 | 27 | 28 | 27 | 25 | 23 | 21 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 18 | Cool |
| Apr | 20 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Refreshing |
| Jul | 27 | Warm |
| Aug | 28 | Tropical |
| Sep | 27 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Kirishima in Winter
Clear-sky midday UV across winter averages around 4 — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 8 | 8 | 11 | 11 | 9 | 10 | 6 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Kirishima in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 19 | 22 | 23 | 21 | 17 | 12 | 14 | 12 | 12 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 19 | Moderate |
| Mar | 22 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 17 | Moderate |
| Jul | 12 | Moderate |
| Aug | 14 | Moderate |
| Sep | 12 | Moderate |
| Oct | 12 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
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.
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
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.