Tochigi weather in December

In December, Tochigi sees average daytime highs of 10°C and overnight lows near 1°C, with 55 mm of precipitation across 6.8 wet days and about 9.6 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 58% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Tochigi's 2nd-clearest and 6th-windiest month. For the whole year in context, see Tochigi's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
55 mm
6.8 wet days
Daylight
9 h 30 min
6:51 AM – 4:23 PM
Cloud cover
40%
2nd clearest
Wind
6 km/h
6th windiest
Solar energy
2.36 kWh/m²
Travel score
2.4
out of 10

Tochigi is city in Tochigi Prefecture, Japan.

Density
480/km²
people per km²
Founded
2010

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 Tochigi reaches about 10°C in the afternoon and slips back to 1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 13°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1123
2123
3123
4113
5113
6113
7113
8112
9112
10102
11102
12102
13102
14101
15101
16101
1791
1891
1991
2091
2191
2291
2391
2491
2590
2690
2780
2880
2980
3080
3180

How December really feels in Tochigi

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 20 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
20
wind chill below the day's low

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

Tochigi 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 / -1°556.32.59.81.2
Feb / -0°547.12.610.61.6
Mar12° / 11312.62.311.73.0
Apr17° / 13613.40.312.95.0
May22° / 13°17314.9013.95.8
Jun25° / 17°20418.4014.45.2
Jul28° / 21°26221.5014.24.2
Aug29° / 22°20719.6013.44.1
Sep26° / 19°23917.8012.25.2
Oct20° / 13°20614.8011.15.6
Nov15° / 919.2010.14.6
Dec10° / 556.80.69.62.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46634
56634
66733
76832
86832
96931
106931
117129
127129
137228
147228
157327
167327
177327
187525
197525
207525
217624
227624
237624
247624
257723
267723
277822
287921
297921
307921
317921

Chance of precipitation in December

Any precipitationSnow

Tochigi gets around 55 mm of rain and snow over 6.8 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 22% and peaks near 29% 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 (%)
1291
2291
3281
4281
5271
6261
7262
8252
9242
10232
11232
12222
13222
14212
15212
16212
17202
18202
19202
20192
21192
22192
23192
24192
25182
26182
27183
28173
29173
30173
31174

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 6:40 AM to 6:58 AM, and sunset from 4:22 PM to 4:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:404:22
29.76:414:22
39.76:424:22
49.76:424:22
59.66:434:22
69.66:444:22
79.66:454:22
89.66:464:22
99.66:464:22
109.66:474:22
119.66:484:22
129.66:494:22
139.66:494:22
149.56:504:23
159.56:514:23
169.56:514:23
179.56:524:23
189.56:524:24
199.56:534:24
209.56:544:25
219.56:544:25
229.56:554:26
239.56:554:26
249.56:554:27
259.56:564:27
269.56:564:28
279.56:574:28
289.56:574:29
299.56:574:29
309.56:574:30
319.66:584:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.36 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.1 kWh/m² in May across the year — December's 2.36 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Tochigi

In seasonPeak

None of Tochigi's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Tochigi's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Tochigi?

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

2.4
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 Tochigi.

What to pack for Tochigi in December

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

In December, Tochigi sees daytime highs around 10°C and nights near 1°C. Pack a warm layer. About 7 days see rain.

a warm layer

UV index in Tochigi 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 Tochigi peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateJul 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Tochigi 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 Tochigi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Tochigi?

Tochigi sits at 36.4°N, 139.7°E, 51 m above sea level, in Japan. The nearest listed city is Mibu, 7.0 km away.

Topography around Tochigi

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

Within 3 km, the terrain around Tochigi has only modest variations in elevation — a maximum elevation change of 134 m around an average of 50 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Tochigi is covered by artificial surfaces (59%) and cropland (28%) within 3 km, cropland (36%), trees (30%) and artificial surfaces (27%) within 16 km, and trees (53%), artificial surfaces (22%) and cropland (20%) within 80 km.

3 km
134 m
16 km
599 m
80 km
2,553 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Mibu 7.0 km · Oyama 11 km · Shimotsuke 12 km · Tanuma 14 km · Sano 15 km · Yūki 16 km · Fujioka 17 km · Nogi 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 Tochigi (36.3833°, 139.7333°, elevation 51 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. 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).