Nishinoomote weather in December

In December, Nishinoomote sees average daytime highs of 17°C and overnight lows near 14°C, with 96 mm of rain across 9.2 wet days and about 10 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Nishinoomote's 5th-clearest and 4th-windiest month. For the whole year in context, see Nishinoomote's year-round climate.

Daytime high
17°
10th warmest
Overnight low
14°
3rd coldest
Rainfall
96 mm
9.2 wet days
Daylight
10 hours
7:12 AM – 5:13 PM
Cloud cover
60%
5th clearest
Wind
27 km/h
4th windiest
Solar energy
2.4 kWh/m²
Travel score
5.3
out of 10

Nishinoomote is city in Kagoshima Prefecture, Japan.

Density
87/km²
people per km²
Founded
1958

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical December day in Nishinoomote reaches about 17°C in the afternoon and slips back to 14°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11916
21816
31816
41815
51815
61815
71815
81715
91715
101714
111714
121714
131714
141714
151714
161614
171614
181613
191613
201613
211613
221613
231613
241613
251613
261613
271513
281513
291513
301512
311512

How December really feels in Nishinoomote

Once humidity and wind are folded in, December 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

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

Nishinoomote weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 11°10510.110.24.2
Feb15° / 12°11210.410.94.2
Mar17° / 14°17814.311.84.9
Apr20° / 17°1871212.75.8
May22° / 21°20312.313.56.2
Jun25° / 23°42218.4145.2
Jul28° / 26°18112.713.85.8
Aug28° / 27°13813.913.15.4
Sep27° / 26°2131512.25.8
Oct24° / 22°15511.711.26.8
Nov21° / 18°13010.710.46.3
Dec17° / 14°969.2105.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34852
44852
54852
64852
74753
84852
94852
104753
114753
124753
134753
144753
154753
164753
174753
184753
194852
204852
214753
224852
234852
244852
254951
264951
274852
284852
294852
304753
314753

Chance of precipitation in December

Any precipitation

Nishinoomote gets around 96 mm of rain over 9.2 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
535
634
733
832
931
1031
1130
1230
1329
1429
1529
1629
1728
1828
1928
2028
2127
2227
2327
2427
2528
2628
2728
2828
2928
3029
3129

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16919102
2701992
3711892
4741781
5751681
6761671
7771571
8791461
9801361
10811261
11821251
12841150
13841150
14851140
15851140
16861040
17861040
18861040
19861040
20871030
2188930
2288930
2388930
2489830
2589830
2691720
2791720
2892620
2992620
3092620
3194510

Wind in December

Winds average 27 km/h in December.

Across December, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1727breezy
1827breezy
1927breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy
3128breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:01 AM to 7:18 AM, and sunset from 5:10 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:015:10
210.17:025:10
310.17:035:10
410.17:035:10
510.17:045:10
610.17:055:11
710.17:065:11
810.17:065:11
910.17:075:11
1010.17:085:11
1110.07:085:11
1210.07:095:12
1310.07:105:12
1410.07:105:12
1510.07:115:12
1610.07:125:13
1710.07:125:13
1810.07:135:14
1910.07:135:14
2010.07:145:14
2110.07:145:15
2210.07:155:15
2310.07:155:16
2410.07:165:16
2510.07:165:17
2610.07:165:17
2710.07:175:18
2810.07:175:18
2910.07:175:19
3010.07:185:20
3110.07:185:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.79 kWh/m² in July across the year — December's 2.4 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Nishinoomote

In seasonPeak

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

Nishinoomote 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 December a good time to visit Nishinoomote?

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

5.3
Sightseeing
8th-best month of the year
1.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Nishinoomote for sightseeing.

What to pack for Nishinoomote in December

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

In December, Nishinoomote sees daytime highs around 17°C and nights near 14°C. Worth packing: a warm layer, rain gear and a windbreaker. About 9 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Nishinoomote in December

The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 22 to Jan 20 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb19Cool
Mar20Cool
Apr21Refreshing
May23Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Warm
Dec22Refreshing

UV index in Nishinoomote in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 Nishinoomote peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 10UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Extreme
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Nishinoomote in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Nishinoomote is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1319 µg/m³Jul 209 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb16Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun13Moderate
Jul9Good
Aug10Good
Sep9Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Nishinoomote?

Nishinoomote sits at 30.7°N, 131.0°E, 38 m above sea level, in Japan. The nearest listed city is Yakushima, 51 km away.

Topography around Nishinoomote

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

Within 3 km, the terrain around Nishinoomote has only modest variations in elevation — a maximum elevation change of 164 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,893 m.

The land around Nishinoomote is covered by trees (50%) and water (33%) within 3 km, water (72%) and trees (24%) within 16 km, and water (85%) within 80 km.

3 km
164 m
16 km
286 m
80 km
1,893 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Yakushima 51 km · Ibusuki 65 km · Kanoya 74 km · Shibushi 83 km · Minamikyushu 86 km · Kushima 87 km · Makurazaki 88 km · Tarumizu 88 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 Nishinoomote (30.7333°, 131°, elevation 38 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).