Gōtsuchō weather in December

In December, Gōtsuchō sees average daytime highs of 11°C and overnight lows near 6°C, with 124 mm of precipitation across 17.1 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 9°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Gōtsuchō's 8th-clearest and 2nd-windiest month. For the whole year in context, see Gōtsuchō's year-round climate.

Daytime high
11°
10th warmest
Overnight low
4th coldest
Precipitation
124 mm
17.1 wet days
Daylight
9 h 42 min
7:18 AM – 4:57 PM
Cloud cover
68%
8th clearest
Wind
16 km/h
2nd windiest
Solar energy
2 kWh/m²
Travel score
2.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 9°C by the end.

A typical December day in Gōtsuchō reaches about 11°C in the afternoon and slips back to 6°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 14°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)
1138
2138
3138
4128
5127
6127
7127
8127
9117
10117
11117
12116
13116
14116
15116
16106
17106
18106
19106
20106
21106
22106
23105
24105
25105
26105
27105
2895
2995
3095
3195

How December really feels in Gōtsuchō

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.

Gōtsuchō weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 11617.869.91.1
Feb / 10115.14.910.71.4
Mar12° / 12714.21.311.72.9
Apr17° / 10°11111.1012.95.2
May21° / 15°12210.4013.86.4
Jun24° / 19°17412.6014.36.2
Jul28° / 23°22014.7014.15.2
Aug29° / 25°14313.6013.34.8
Sep26° / 21°18513.4012.26.1
Oct21° / 16°10810.2011.16.6
Nov16° / 11°9611.4010.24.8
Dec11° / 12417.139.72.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33961
43763
53763
63565
73565
83565
93466
103367
113268
123268
133169
143169
153169
163070
173070
183070
193070
203070
213070
222971
232971
242971
253070
263070
273070
282971
292971
302971
312971

Chance of precipitation in December

Any precipitationSnow

Gōtsuchō gets around 124 mm of rain and snow over 17.1 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 54% and peaks near 56% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1472
2483
3493
4504
5514
6525
7535
8536
9546
10557
11557
12558
13558
14559
15559
165610
175610
185611
195611
205611
215612
225612
235613
245613
255613
265513
275514
285514
295514
305514
315515

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
8991
9991
10991
11991
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 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 42 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 7:06 AM to 7:24 AM, and sunset from 4:55 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:064:55
29.87:074:55
39.87:084:55
49.87:094:55
59.87:104:55
69.77:104:55
79.77:114:55
89.77:124:55
99.77:134:55
109.77:144:56
119.77:144:56
129.77:154:56
139.77:164:56
149.77:164:56
159.77:174:57
169.77:184:57
179.77:184:57
189.67:194:58
199.67:194:58
209.67:204:58
219.67:204:59
229.67:214:59
239.67:215:00
249.67:225:00
259.67:225:01
269.67:225:01
279.77:235:02
289.77:235:03
299.77:235:03
309.77:245:04
319.77:245:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2 kWh/m² to a high of 5.67 kWh/m² in May across the year — December's 2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Dim
132.0Dim
142.0Dim
152.0Dim
162.0Dim
172.0Dim
182.0Dim
192.0Dim
202.0Dim
212.0Dim
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.0Moderate
272.0Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Gōtsuchō

In seasonPeak

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

Gōtsuchō 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 Gōtsuchō?

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

2.2
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 Gōtsuchō.

What to pack for Gōtsuchō in December

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

In December, Gōtsuchō sees daytime highs around 11°C and nights near 6°C. Pack a warm layer and rain gear. About 17 days see rain.

a warm layerrain gear

Sea temperature near Gōtsuchō in December

The nearest coast averages about 17°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 16 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 10 to Nov 17 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Gōtsuchō in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gōtsuchō peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 17UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Gōtsuchō 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 Gōtsuchō is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 923 µg/m³Oct 1011 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar23Moderate
Apr23Moderate
May20Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep11Good
Oct11Good
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Gōtsuchō?

Gōtsuchō sits at 35.0°N, 132.2°E, 31 m above sea level, in Japan. The nearest listed city is Hamada, 19 km away.

Topography around Gōtsuchō

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

Within 3 km, the terrain around Gōtsuchō has significant variations in elevation — a maximum elevation change of 460 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 616 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,327 m.

The land around Gōtsuchō is covered by trees (55%) and water (29%) within 3 km, trees (49%) and water (47%) within 16 km, and trees (61%) and water (34%) within 80 km.

3 km
460 m
16 km
616 m
80 km
1,327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hamada 19 km · Ōdachō-ōda 33 km · Yae 46 km · Masuda 51 km · Aki-takata 56 km · Miyoshi 61 km · Izumo 63 km · Unnan 67 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 Gōtsuchō (35.0086°, 132.2257°, elevation 31 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).