Yaita weather in December

In December, Yaita sees average daytime highs of 10°C and overnight lows near 1°C, with 51 mm of precipitation across 6.8 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 12th-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 53% 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 30 min by month's end. Set against the rest of the year, December is Yaita's 1st-clearest and 6th-windiest month. For the whole year in context, see Yaita's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
51 mm
6.8 wet days
Daylight
9 h 30 min
6:52 AM – 4:21 PM
Cloud cover
45%
1st clearest
Wind
6 km/h
6th windiest
Solar energy
2.33 kWh/m²
Travel score
2.5
out of 10

Yaita is city in Tochigi Prefecture, Japan.

Density
213/km²
people per km²
Founded
1958

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 Yaita reaches about 10°C in the afternoon and slips back to 1°C overnight — a 9°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
4123
5113
6113
7112
8112
9112
10112
11102
12102
13102
14101
15101
16101
17101
18101
1991
2091
2191
2291
2391
2491
2590
2690
2790
2890
2980
3080
3180

How December really feels in Yaita

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 21 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
21
wind chill below the day's low

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

Yaita weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°547.13.19.81.2
Feb / -0°537.62.810.61.6
Mar12° / 10412.62.211.73.0
Apr17° / 12112.40.512.95.1
May22° / 12°14213.4013.96.0
Jun25° / 17°16316.2014.55.5
Jul28° / 21°21219.7014.34.4
Aug29° / 22°16216.7013.44.4
Sep26° / 18°19315.3012.25.6
Oct20° / 12°16912.90115.9
Nov15° / 808.40.1104.7
Dec10° / 516.80.99.52.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56535
66535
76535
86733
96733
106931
116931
127030
137030
147129
157129
167228
177228
187327
197426
207426
217426
227624
237624
247624
257624
267723
277723
287723
297822
307822
317822

Chance of precipitation in December

Any precipitationSnow

Yaita gets around 51 mm of rain and snow over 6.8 wet days in December, the driest month. 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 26% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1261
2251
3251
4241
5241
6241
7231
8232
9232
10232
11222
12222
13222
14222
15223
16223
17223
18223
19223
20224
21224
22214
23214
24214
25204
26205
27205
28195
29195
30195
31196

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
207calm
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 30 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 6:40 AM to 6:58 AM, and sunset from 4:20 PM to 4:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:404:20
29.66:414:20
39.66:424:20
49.66:434:20
59.66:444:20
69.66:444:20
79.66:454:20
89.66:464:20
99.56:474:20
109.56:484:20
119.56:484:20
129.56:494:20
139.56:504:20
149.56:504:21
159.56:514:21
169.56:524:21
179.56:524:22
189.56:534:22
199.56:534:22
209.56:544:23
219.56:544:23
229.56:554:24
239.56:554:24
249.56:564:25
259.56:564:25
269.56:574:26
279.56:574:26
289.56:574:27
299.56:584:27
309.56:584:28
319.56:584:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.33 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.11 kWh/m² in May across the year — December's 2.33 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
152.3Moderate
162.3Moderate
172.3Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.6Moderate
Planning a trip in December

Is December a good time to visit Yaita?

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 Yaita.

What to pack for Yaita in December

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

In December, Yaita 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 Yaita 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 Yaita peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Yaita 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 Yaita is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Yaita?

Yaita sits at 36.8°N, 139.9°E, 191 m above sea level, in Japan. The nearest listed city is Sakura, 10 km away.

Topography around Yaita

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

Within 3 km, the terrain around Yaita has only modest variations in elevation — a maximum elevation change of 130 m around an average of 213 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,346 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,552 m.

The land around Yaita is covered by trees (43%), cropland (30%) and artificial surfaces (23%) within 3 km, trees (51%) and cropland (34%) within 16 km, and trees (70%) within 80 km.

3 km
130 m
16 km
1,346 m
80 km
2,552 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sakura 10 km · Ōtawara 12 km · Ujiie 13 km · Ogawa 19 km · Hōshakuji 19 km · Kuroiso 21 km · Nasushiobara 23 km · Imaichi 24 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 Yaita (36.8°, 139.9333°, elevation 191 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).