Tarumizu weather in January

In January, Tarumizu sees average daytime highs of 12°C and overnight lows near 5°C, with 81 mm of precipitation across 8.2 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 12°C through the month. The sky is clear or mostly clear about 32% 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 30 min by month's end. Set against the rest of the year, January is Tarumizu's 4th-clearest and 1st-windiest month. For the whole year in context, see Tarumizu's year-round climate.

Daytime high
12°
12th warmest
Overnight low
1st coldest
Precipitation
81 mm
8.2 wet days
Daylight
10 h 12 min
7:22 AM – 5:31 PM
Cloud cover
56%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
2.81 kWh/m²
Travel score
3.3
out of 10

Tarumizu is city in Kagoshima Prefecture, Japan.

Density
118/km²
people per km²
Founded
1958

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 12°C through the month.

A typical January day in Tarumizu reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2135
3125
4125
5125
6125
7125
8125
9125
10125
11125
12125
13125
14125
15125
16125
17125
18125
19125
20125
21125
22125
23125
24125
25124
26124
27124
28124
29124
30124
31124

How January really feels in Tarumizu

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tarumizu 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
Jan12° / 818.210.23.3
Feb13° / 1038.910.83.7
Mar16° / 15912.711.84.8
Apr20° / 12°18211.512.76.0
May24° / 17°20411.613.66.4
Jun26° / 21°47820.3144.7
Jul30° / 25°2852013.83.8
Aug31° / 25°17818.613.13.7
Sep28° / 23°21215.512.25.0
Oct24° / 18°1209.311.27.1
Nov19° / 12°1098.710.46.4
Dec14° / 837.2104.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45545
55545
65446
75347
85347
95248
105149
115050
124951
134852
144852
154753
164852
174852
184753
194753
204852
214753
224753
234951
244951
254951
265050
275050
285050
295050
305149
315149

Chance of precipitation in January

Any precipitation

Tarumizu gets around 81 mm of rain and snow over 8.2 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 26% and peaks near 29% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
322
422
523
623
724
824
925
1025
1126
1226
1327
1427
1528
1628
1729
1829
1929
2029
2129
2229
2329
2429
2528
2628
2727
2827
2926
3026
3125

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
9991
10991
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in January

Winds average 11 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 hours at the start of January to 10 h 30 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 7:21 AM to 7:17 AM, and sunset from 5:20 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:215:20
210.07:215:20
310.07:215:21
410.07:225:22
510.07:225:23
610.07:225:23
710.07:225:24
810.07:225:25
910.17:225:26
1010.17:225:26
1110.17:225:27
1210.17:225:28
1310.17:225:29
1410.17:225:30
1510.17:225:30
1610.27:225:31
1710.27:225:32
1810.27:215:33
1910.27:215:34
2010.27:215:35
2110.27:215:36
2210.37:205:36
2310.37:205:37
2410.37:205:38
2510.37:195:39
2610.37:195:40
2710.47:195:41
2810.47:185:42
2910.47:185:43
3010.47:175:43
3110.57:175:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.81 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.1 kWh/m² in May across the year — January's 2.81 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
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Tarumizu

In seasonPeak

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

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

Tarumizu'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 Tarumizu?

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

3.3
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 Tarumizu.

What to pack for Tarumizu in January

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

In January, Tarumizu sees daytime highs around 12°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Tarumizu 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 14 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 Tarumizu 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 Tarumizu 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 Tarumizu 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 Tarumizu 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 Tarumizu?

Tarumizu sits at 31.5°N, 130.7°E, 10 m above sea level, in Japan. The nearest listed city is Kagoshima, 17 km away.

Topography around Tarumizu

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

Within 3 km, the terrain around Tarumizu has only modest variations in elevation — a maximum elevation change of 144 m around an average of 27 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,225 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,641 m.

The land around Tarumizu is covered by water (45%) and trees (31%) within 3 km, water (56%) and trees (39%) within 16 km, and water (51%) and trees (42%) within 80 km.

3 km
144 m
16 km
1,225 m
80 km
1,641 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Kagoshima 17 km · Kanoya 18 km · Hamanoichi 26 km · Minamikyushu 28 km · Kajiki 28 km · Ibusuki 28 km · Kokubu-matsuki 29 km · Kirishima 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 Tarumizu (31.4833°, 130.7°, 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).