Gojō weather in December

In December, Gojō sees average daytime highs of 8°C and overnight lows near 0°C, with 88 mm of precipitation across 10.3 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 10°C in the first days to 6°C by the end. The sky is clear or mostly clear about 31% 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 42 min by month's end. Set against the rest of the year, December is Gojō's 1st-clearest and 5th-windiest month. For the whole year in context, see Gojō's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
88 mm
10.3 wet days
Daylight
9 h 42 min
7:02 AM – 4:45 PM
Cloud cover
52%
1st clearest
Wind
8 km/h
5th windiest
Solar energy
2.55 kWh/m²
Travel score
1.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 10°C in the first days to 6°C by the end.

A typical December day in Gojō reaches about 8°C in the afternoon and slips back to 0°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 13°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1112
2112
3102
4102
5101
6101
7101
891
991
1091
1191
1290
1380
1480
1580
1680
1780
1880
1980
2070
2170
227-1
237-1
247-1
257-1
267-1
277-1
287-1
297-1
306-1
316-1

How December really feels in Gojō

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Gojō 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 / -2°87116.5100.2
Feb / -2°9810.94.810.70.6
Mar11° / 15014.22.911.72.3
Apr16° / 15312.40.412.84.7
May21° / 12°18112.5013.86.0
Jun24° / 16°31017.2014.35.3
Jul28° / 21°27919.4014.14.7
Aug29° / 21°18818.1013.34.5
Sep25° / 18°22215.7012.25.7
Oct20° / 11°20412.4011.16.0
Nov14° / 1109.40.110.24.2
Dec / 8810.33.39.71.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 32% of December, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56040
66139
76139
86139
96139
106139
116139
126238
136238
146238
156238
166238
176238
186238
196337
206436
216436
226535
236535
246634
256634
266634
276634
286634
296634
306634
316634

Chance of precipitation in December

Any precipitationSnow

Gojō gets around 88 mm of rain and snow over 10.3 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 33% and peaks near 34% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1323
2324
3324
4325
5325
6325
7326
8326
9327
10327
11327
12328
13328
14329
15329
163310
173310
183311
193311
203312
213313
223414
233414
243415
253415
263316
273316
283316
293316
303217
313217

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
41000
51000
61000
71000
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 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 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 12 minutes over December. Sunrise moves from 6:51 AM to 7:08 AM, and sunset from 4:43 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:514:43
29.96:524:43
39.86:524:43
49.86:534:43
59.86:544:43
69.86:554:43
79.86:564:43
89.86:564:43
99.86:574:43
109.86:584:43
119.76:594:44
129.76:594:44
139.77:004:44
149.77:014:44
159.77:014:45
169.77:024:45
179.77:024:45
189.77:034:46
199.77:044:46
209.77:044:46
219.77:054:47
229.77:054:47
239.77:064:48
249.77:064:48
259.77:064:49
269.77:074:49
279.77:074:50
289.77:084:50
299.77:084:51
309.77:084:52
319.77:084:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.55 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 5.36 kWh/m² in May across the year — December's 2.55 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Gojō

In seasonPeak

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

Gojō 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 Gojō?

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

1.5
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 Gojō.

What to pack for Gojō in December

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

In December, Gojō sees daytime highs around 8°C and nights near 0°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Gojō 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 43 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 6 to Nov 11 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Gojō 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 Gojō peaks around June 23 at about 10 (very high) — 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 23UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gojō 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 Gojō is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Gojō?

Gojō sits at 34.4°N, 135.7°E, 98 m above sea level, in Japan. The nearest listed city is Hashimoto, 8.0 km away.

Topography around Gojō

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

Within 3 km, the terrain around Gojō has only modest variations in elevation — a maximum elevation change of 214 m around an average of 155 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,079 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Gojō is covered by trees (55%) and artificial surfaces (23%) within 3 km, trees (85%) within 16 km, and trees (64%) and water (20%) within 80 km.

3 km
214 m
16 km
1,079 m
80 km
1,879 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hashimoto 8.0 km · Shimobuchi 9.0 km · Gose 12 km · Kashiwara 13 km · Kawachi-Nagano 15 km · Katsuragi 15 km · Nakaiburi 16 km · Kanō 17 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 Gojō (34.35°, 135.7°, elevation 98 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).