Kumano weather in December

In December, Kumano sees average daytime highs of 10°C and overnight lows near 3°C, with 93 mm of precipitation across 7 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 12°C in the first days to 8°C by the end. The sky is clear or mostly clear about 50% 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 Kumano's 1st-clearest and 4th-windiest month. For the whole year in context, see Kumano's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
93 mm
7 wet days
Daylight
9 h 48 min
6:59 AM – 4:44 PM
Cloud cover
44%
1st clearest
Wind
10 km/h
4th windiest
Solar energy
2.7 kWh/m²
Travel score
2.5
out of 10

Kumano is city in Mie Prefecture, Japan.

Density
43/km²
people per km²
Founded
2005

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 12°C in the first days to 8°C by the end.

A typical December day in Kumano reaches about 10°C in the afternoon and slips back to 3°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2125
3125
4125
5125
6125
7114
8114
9114
10114
11114
12104
13104
14103
15103
16103
17103
18103
1993
2093
2193
2293
2392
2492
2592
2692
2792
2892
2982
3082
3182

How December really feels in Kumano

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Kumano 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 daysSnow daysDaylight (hours)Travel score
Jan / 927.22.2101.2
Feb / 1018.32.410.71.6
Mar12° / 172121.311.73.1
Apr17° / 185120.112.85.0
May21° / 13°21714.2013.75.7
Jun23° / 18°33518.6014.25.0
Jul27° / 22°30320.30144.6
Aug28° / 23°28420.1013.34.5
Sep25° / 20°34418.9012.25.3
Oct20° / 14°29914.1011.15.8
Nov15° / 1419.3010.24.9
Dec10° / 9370.89.82.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36733
46733
56832
66832
76832
86832
96931
106931
116931
126832
136832
146832
156931
166931
176931
187030
197030
207030
217129
227129
237327
247327
257327
267327
277426
287426
297327
307426
317426

Chance of precipitation in December

Any precipitationSnow

Kumano gets around 93 mm of rain and snow over 7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 23% and peaks near 27% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1271
2271
3271
4261
5261
6251
7251
8241
9241
10241
11231
12231
13232
14232
15222
16222
17222
18222
19222
20212
21213
22213
23213
24213
25214
26214
27204
28204
29204
30204
31205

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 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 7:05 AM, and sunset from 4:42 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:484:42
29.96:494:42
39.96:504:42
49.96:514:42
59.96:514:42
69.86:524:42
79.86:534:42
89.86:544:43
99.86:544:43
109.86:554:43
119.86:564:43
129.86:564:43
139.86:574:43
149.86:584:44
159.86:584:44
169.86:594:44
179.87:004:45
189.77:004:45
199.77:014:45
209.77:014:46
219.77:024:46
229.77:024:47
239.77:034:47
249.77:034:48
259.77:044:48
269.77:044:49
279.87:044:49
289.87:054:50
299.87:054:51
309.87:054:51
319.87:054:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.7 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 5.24 kWh/m² in May across the year — December's 2.7 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
222.8Moderate
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 Kumano

In seasonPeak

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

Kumano 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 Kumano?

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

2.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Kumano.

What to pack for Kumano in December

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

In December, Kumano sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Kumano in December

The nearest coast averages about 19°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 27°C and coldest in February near 17°C.

It's comfortable for a long swim from May 17 to Dec 4 — about 6.6 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov22Refreshing
Dec19Cool

UV index in Kumano 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 Kumano peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 13UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kumano 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 Kumano 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 Kumano?

Kumano sits at 33.9°N, 136.1°E, 138 m above sea level, in Japan. The nearest listed city is Owase, 19 km away.

Topography around Kumano

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

Within 3 km, the terrain around Kumano has large variations in elevation — a maximum elevation change of 675 m around an average of 143 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,134 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,878 m.

The land around Kumano is covered by trees (63%) and water (31%) within 3 km, trees (53%) and water (44%) within 16 km, and trees (60%) and water (37%) within 80 km.

3 km
675 m
16 km
1,134 m
80 km
1,878 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Owase 19 km · Shingū 23 km · Kushimoto 58 km · Shimobuchi 62 km · Gojō 63 km · Ōuda-yamaguchi 64 km · Hashimoto 65 km · Kashiwara 69 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 Kumano (33.9039°, 136.1221°, elevation 138 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).