Kushima weather in December

In December, Kushima sees average daytime highs of 14°C and overnight lows near 8°C, with 86 mm of rain across 6.9 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 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 51% 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 Kushima's 1st-clearest and 5th-windiest month. For the whole year in context, see Kushima's year-round climate.

Daytime high
14°
10th warmest
Overnight low
3rd coldest
Rainfall
86 mm
6.9 wet days
Daylight
10 hours
7:12 AM – 5:10 PM
Cloud cover
44%
1st clearest
Wind
14 km/h
5th windiest
Solar energy
2.74 kWh/m²
Travel score
4.7
out of 10

Kushima is city in Miyazaki Prefecture, Japan.

Density
75/km²
people per km²
Founded
1954

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 16°C in the first days to 13°C by the end.

A typical December day in Kushima reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°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)
11611
21610
31610
41610
51610
61510
7159
8159
9159
10159
11159
12159
13148
14148
15148
16148
17148
18148
19148
20148
21148
22147
23137
24137
25137
26137
27137
28137
29137
30137
31137

How December really feels in Kushima

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.

Kushima 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
Jan12° / 887.710.23.5
Feb13° / 1048.810.83.8
Mar16° / 10°16912.811.84.8
Apr20° / 14°18511.912.75.9
May23° / 18°21012.613.66.2
Jun25° / 21°42120144.9
Jul29° / 25°23717.113.84.5
Aug30° / 25°20217.413.14.4
Sep27° / 23°26016.912.25.3
Oct23° / 18°17011.111.26.8
Nov19° / 13°119910.46.3
Dec14° / 866.9104.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56436
66535
76436
86535
96535
106535
116535
126535
136634
146634
156535
166535
176634
186634
196634
206634
216733
226832
236832
246832
256931
267030
277030
287030
297030
307030
317030

Chance of precipitation in December

Any precipitation

Kushima gets around 86 mm of rain over 6.9 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 23% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
527
626
726
825
925
1024
1124
1223
1323
1423
1522
1622
1722
1821
1921
2021
2121
2220
2320
2420
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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
186104
28794
38794
48983
58983
69073
79172
89172
99262
109361
119361
129361
139361
149361
159451
169451
179550
189550
199550
209550
219550
229550
239640
249640
259640
269640
279640
289730
299730
309730
319730

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

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 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:025:08
210.17:035:08
310.17:035:08
410.17:045:08
510.07:055:08
610.07:065:08
710.07:065:08
810.07:075:08
910.07:085:08
1010.07:095:08
1110.07:095:09
1210.07:105:09
1310.07:115:09
1410.07:115:09
1510.07:125:10
1610.07:125:10
1710.07:135:10
1810.07:145:11
199.97:145:11
209.97:155:12
219.97:155:12
229.97:165:12
239.97:165:13
249.97:165:13
259.97:175:14
2610.07:175:14
2710.07:185:15
2810.07:185:16
2910.07:185:16
3010.07:195:17
3110.07:195:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.74 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 5.4 kWh/m² in July across the year — December's 2.74 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
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Hazard calendar for Kushima

In seasonPeak

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

Kushima 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 Kushima?

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

4.7
Sightseeing
8th-best month of the year
0.2
Beach & pool
10th-best month of the year

December is a reasonable time to visit Kushima for sightseeing.

What to pack for Kushima in December

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

In December, Kushima sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Kushima 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 at the nearest coast (about 17 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 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 Kushima 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 Kushima 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 Kushima 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 Kushima 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 Kushima?

Kushima sits at 31.5°N, 131.2°E, 17 m above sea level, in Japan. The nearest listed city is Shibushi, 13 km away.

Topography around Kushima

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

Within 3 km, the terrain around Kushima has significant variations in elevation — a maximum elevation change of 425 m around an average of 66 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 775 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.

The land around Kushima is covered by trees (62%) and cropland (22%) within 3 km, trees (61%) and water (30%) within 16 km, and water (48%) and trees (43%) within 80 km.

3 km
425 m
16 km
775 m
80 km
1,640 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Shibushi 13 km · Nichinan 17 km · Sueyoshichō-ninokata 28 km · Soo 30 km · Mochibaru 32 km · Miyakonojō 32 km · Kanoya 39 km · Miyazaki 51 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 Kushima (31.4862°, 131.2421°, elevation 17 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).