Shibushi weather in December

In December, Shibushi sees average daytime highs of 14°C and overnight lows near 6°C, with 83 mm of rain across 6.7 wet days and about 10 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Shibushi's 1st-clearest and 5th-windiest month. For the whole year in context, see Shibushi's year-round climate.

Daytime high
14°
10th warmest
Overnight low
3rd coldest
Rainfall
83 mm
6.7 wet days
Daylight
10 hours
7:13 AM – 5:11 PM
Cloud cover
47%
1st clearest
Wind
10 km/h
5th windiest
Solar energy
2.69 kWh/m²
Travel score
4.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 13°C by the end.

A typical December day in Shibushi reaches about 14°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5158
6158
7157
8157
9157
10157
11147
12146
13146
14146
15146
16146
17146
18146
19146
20135
21135
22135
23135
24135
25135
26135
27135
28135
29135
30135
31134

How December really feels in Shibushi

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.

Shibushi weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 837.510.23.4
Feb13° / 1028.610.93.8
Mar16° / 16212.511.84.9
Apr20° / 12°1831212.75.9
May24° / 16°20712.313.66.3
Jun26° / 20°45020.8144.7
Jul30° / 24°26620.113.83.7
Aug31° / 25°20419.713.13.6
Sep28° / 22°24416.912.24.9
Oct24° / 17°14310.211.26.9
Nov19° / 11°1118.810.46.4
Dec14° / 836.7104.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66337
76337
86238
96337
106337
116238
126238
136238
146238
156337
166337
176337
186238
196238
206337
216337
226337
236436
246436
256436
266436
276535
286535
296535
306436
316436

Chance of precipitation in December

Any precipitation

Shibushi gets around 83 mm of rain over 6.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
326
426
525
625
724
824
923
1023
1123
1222
1322
1422
1522
1621
1721
1821
1921
2020
2120
2220
2320
2419
2519
2619
2719
2819
2919
3019
3119

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
18794
28893
38983
48983
59172
69172
79172
89262
99361
109361
119361
129361
139451
149451
159550
169550
179550
189550
199550
209640
219640
229640
239640
249730
259730
269730
279730
289820
299820
309820
319820

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 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
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 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 6 minutes over December. Sunrise moves from 7:02 AM to 7:19 AM, and sunset from 5:08 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:025:08
210.17:035:08
310.17:045:08
410.17:055:08
510.07:065:08
610.07:065:08
710.07:075:09
810.07:085:09
910.07:085:09
1010.07:095:09
1110.07:105:09
1210.07:105:09
1310.07:115:10
1410.07:125:10
1510.07:125:10
1610.07:135:11
1710.07:145:11
1810.07:145:11
1910.07:155:12
209.97:155:12
219.97:165:13
229.97:165:13
239.97:175:13
249.97:175:14
2510.07:175:14
2610.07:185:15
2710.07:185:16
2810.07:195:16
2910.07:195:17
3010.07:195:17
3110.07:195:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 5.22 kWh/m² in July across the year — December's 2.69 kWh/m² sits near the bottom.

0123151015202531
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
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Hazard calendar for Shibushi

In seasonPeak

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

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

Shibushi's rainy season runs May–September, 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 December a good time to visit Shibushi?

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

4.6
Sightseeing
8th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Shibushi for sightseeing.

What to pack for Shibushi in December

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

In December, Shibushi sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Shibushi in December

The nearest coast averages about 21°C in December — 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 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 14 to Jan 4 — about 8.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar19Cool
Apr20Refreshing
May22Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Shibushi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Shibushi peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Shibushi 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 Shibushi is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateApr 1421 µg/m³Sep 1911 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun16Moderate
Jul11Good
Aug12Moderate
Sep11Good
Oct12Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Shibushi?

Shibushi sits at 31.5°N, 131.1°E, 11 m above sea level, in Japan. The nearest listed city is Kushima, 13 km away.

Topography around Shibushi

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

Within 3 km, the terrain around Shibushi has only modest variations in elevation — a maximum elevation change of 248 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 524 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.

The land around Shibushi is covered by trees (36%), water (29%) and artificial surfaces (21%) within 3 km, trees (51%) and water (30%) within 16 km, and water (47%) and trees (44%) within 80 km.

3 km
248 m
16 km
524 m
80 km
1,640 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kushima 13 km · Sueyoshichō-ninokata 21 km · Soo 22 km · Kanoya 26 km · Nichinan 29 km · Miyakonojō 29 km · Mochibaru 31 km · Tarumizu 38 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 Shibushi (31.476°, 131.1011°, elevation 11 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).