Kushimoto weather in December

In December, Kushimoto sees average daytime highs of 13°C and overnight lows near 9°C, with 102 mm of rain across 8.1 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 12°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 9 h 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Kushimoto's 1st-clearest and 3rd-windiest month. For the whole year in context, see Kushimoto's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Rainfall
102 mm
8.1 wet days
Daylight
9 h 48 min
6:59 AM – 4:47 PM
Cloud cover
43%
1st clearest
Wind
18 km/h
3rd windiest
Solar energy
2.58 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 12°C by the end.

A typical December day in Kushimoto reaches about 13°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11611
21511
31511
41511
51511
61510
71410
81410
91410
101410
111410
12149
13149
14139
15139
16139
17139
18139
19139
20138
21138
22128
23128
24128
25128
26128
27128
28128
29128
30128
31127

How December really feels in Kushimoto

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.

Kushimoto 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
Jan11° / 977.6102.9
Feb11° / 1128.810.83.0
Mar14° / 17311.811.74.1
Apr18° / 13°18411.612.85.6
May22° / 18°21512.813.76.1
Jun24° / 21°3501714.25.4
Jul28° / 25°28817.2145.0
Aug29° / 26°21117.113.24.7
Sep27° / 23°30116.512.25.5
Oct23° / 19°27813.411.26.4
Nov18° / 14°1579.910.36.0
Dec13° / 1028.19.84.1

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 19% of December, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36535
46634
56733
66733
76733
86832
96832
106931
116931
126931
136931
146931
156931
166931
176931
186931
197030
207030
217129
227228
237228
247228
257327
267228
277327
287327
297426
307426
317327

Chance of precipitation in December

Any precipitation

Kushimoto gets around 102 mm of rain over 8.1 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 26% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
430
530
629
729
829
928
1028
1127
1227
1326
1426
1526
1625
1725
1825
1924
2024
2124
2224
2324
2424
2523
2623
2723
2823
2922
3022
3122

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19082
29082
39172
49271
59361
69361
79451
89451
99541
109541
119631
129730
139730
149730
159820
169820
179820
189820
199910
209910
219910
229910
239910
249910
259910
269910
279910
289910
299910
309910
3110000

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:48 AM to 7:06 AM, and sunset from 4:45 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:484:45
29.96:494:45
39.96:504:45
49.96:514:45
59.96:524:45
69.96:524:45
79.96:534:45
89.96:544:45
99.86:554:45
109.86:554:45
119.86:564:46
129.86:574:46
139.86:574:46
149.86:584:46
159.86:594:47
169.86:594:47
179.87:004:47
189.87:004:48
199.87:014:48
209.87:014:48
219.87:024:49
229.87:024:49
239.87:034:50
249.87:034:50
259.87:044:51
269.87:044:51
279.87:054:52
289.87:054:52
299.87:054:53
309.87:054:54
319.87:064:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 5.54 kWh/m² in May across the year — December's 2.58 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Kushimoto

In seasonPeak

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

Kushimoto 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 Kushimoto?

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

4.1
Sightseeing
9th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Kushimoto for sightseeing.

What to pack for Kushimoto in December

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

In December, Kushimoto sees daytime highs around 13°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Kushimoto 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 14 km away) is warmest in August at about 28°C and coldest in February near 19°C.

It's comfortable for a long swim from Apr 21 to Jan 4 — about 8.5 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar19Cool
Apr20Cool
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kushimoto in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kushimoto peaks around July 11 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kushimoto 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 Kushimoto is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1317 µg/m³Sep 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun13Moderate
Jul9Good
Aug9Good
Sep9Good
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Kushimoto?

Kushimoto sits at 33.5°N, 135.8°E, 5 m above sea level, in Japan. The nearest listed city is Shingū, 35 km away.

Topography around Kushimoto

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

Within 3 km, the terrain around Kushimoto has only modest variations in elevation — a maximum elevation change of 143 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 549 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Kushimoto is covered by water (52%) and trees (35%) within 3 km, water (64%) and trees (34%) within 16 km, and water (54%) and trees (45%) within 80 km.

3 km
143 m
16 km
549 m
80 km
1,877 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Shingū 35 km · Asso 42 km · Shirahama 46 km · Tanabe 48 km · Kumano 58 km · Gobō 73 km · Owase 77 km · Itogawa 79 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 Kushimoto (33.4684°, 135.7791°, elevation 5 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).