Shingū weather in December

In December, Shingū sees average daytime highs of 12°C and overnight lows near 7°C, with 97 mm of rain across 6.9 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 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 61% 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 Shingū's 1st-clearest and 3rd-windiest month. For the whole year in context, see Shingū's year-round climate.

Daytime high
12°
10th warmest
Overnight low
3rd coldest
Rainfall
97 mm
6.9 wet days
Daylight
9 h 48 min
6:59 AM – 4:45 PM
Cloud cover
37%
1st clearest
Wind
13 km/h
3rd windiest
Solar energy
2.71 kWh/m²
Travel score
3.8
out of 10

Shingū is city in Wakayama Prefecture, Japan.

Density
108/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 14°C in the first days to 11°C by the end.

A typical December day in Shingū reaches about 12°C in the afternoon and slips back to 7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°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)
1159
2149
3149
4149
5148
6148
7148
8138
9138
10138
11137
12137
13137
14127
15127
16127
17127
18127
19126
20126
21126
22126
23116
24116
25116
26116
27116
28116
29116
30115
31115

How December really feels in Shingū

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.

Shingū 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
Jan10° / 976.7102.5
Feb11° / 1078.310.72.7
Mar14° / 18011.411.73.9
Apr18° / 12°19111.712.85.5
May21° / 16°22513.213.76.0
Jun24° / 20°33517.314.25.3
Jul28° / 24°27917.8144.9
Aug29° / 25°25417.813.34.7
Sep26° / 22°33517.212.25.5
Oct22° / 17°3091411.26.2
Nov17° / 12°1529.410.25.8
Dec12° / 976.99.83.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26832
36832
46832
56931
67030
77129
87129
97228
107228
117228
127228
137228
147228
157228
167228
177228
187426
197426
207426
217525
227624
237624
247624
257723
267723
277822
287822
297921
307921
317921

Chance of precipitation in December

Any precipitation

Shingū gets around 97 mm of rain over 6.9 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 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
427
527
626
726
825
925
1024
1124
1224
1323
1423
1522
1622
1722
1821
1921
2021
2120
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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19361
29451
39451
49541
59541
69631
79631
89730
99820
109820
119820
129820
139910
149910
159910
169910
179910
189910
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light 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 4:43 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:484:43
29.96:494:43
39.96:504:43
49.96:514:43
59.96:514:43
69.96:524:43
79.86:534:43
89.86:544:44
99.86:544:44
109.86:554:44
119.86:564:44
129.86:574:44
139.86:574:44
149.86:584:45
159.86:594:45
169.86:594:45
179.87:004:46
189.87:004:46
199.87:014:46
209.87:014:47
219.87:024:47
229.87:024:48
239.87:034:48
249.87:034:49
259.87:044:49
269.87:044:50
279.87:044:50
289.87:054:51
299.87:054:52
309.87:054:52
319.87:064:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.71 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 5.32 kWh/m² in May across the year — December's 2.71 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 Shingū

In seasonPeak

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

Shingū 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 Shingū?

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

3.8
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 Shingū.

What to pack for Shingū in December

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

In December, Shingū sees daytime highs around 12°C and nights near 7°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Shingū in December

The nearest coast averages about 20°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 18 km away) is warmest in August at about 27°C and coldest in February near 17°C.

It's comfortable for a long swim from May 10 to Dec 11 — about 7.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr19Cool
May20Refreshing
Jun23Refreshing
Jul25Warm
Aug27Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec20Cool

UV index in Shingū 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 Shingū peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 11Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shingū 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 Shingū 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 Shingū?

Shingū sits at 33.7°N, 136.0°E, 7 m above sea level, in Japan. The nearest listed city is Kumano, 23 km away.

Topography around Shingū

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

Within 3 km, the terrain around Shingū has significant variations in elevation — a maximum elevation change of 380 m around an average of 92 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 963 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Shingū is covered by trees (62%) within 3 km, trees (53%) and water (42%) within 16 km, and trees (53%) and water (46%) within 80 km.

3 km
380 m
16 km
963 m
80 km
1,877 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kumano 23 km · Kushimoto 35 km · Owase 42 km · Asso 53 km · Tanabe 57 km · Shirahama 59 km · Hashimoto 73 km · Gojō 73 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 Shingū (33.7333°, 135.9833°, elevation 7 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).