Chino weather in December

In December, Chino sees average daytime highs of 5°C and overnight lows near -3°C, with 62 mm of precipitation across 9 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 3°C by the end. The sky is clear or mostly clear about 43% 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 Chino's 1st-clearest and 5th-windiest month. For the whole year in context, see Chino's year-round climate.

Daytime high
10th warmest
Overnight low
-3°
3rd coldest
Precipitation
62 mm
9 wet days
Daylight
9 h 36 min
6:57 AM – 4:31 PM
Cloud cover
48%
1st clearest
Wind
6 km/h
5th windiest
Solar energy
2.62 kWh/m²
Travel score
0.2
out of 10

Chino is city in Nagano prefecture, Japan.

Density
212/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 7°C in the first days to 3°C by the end.

A typical December day in Chino reaches about 5°C in the afternoon and slips back to -3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 9°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
17-1
27-1
37-1
47-1
57-1
66-2
76-2
86-2
96-2
105-2
115-2
125-3
135-3
145-3
155-3
164-3
174-3
184-4
194-4
204-4
214-4
224-4
233-4
243-4
253-5
263-5
273-5
283-5
293-5
303-5
312-5

How December really feels in Chino

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.

Chino 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 / -7°668.99.49.80.0
Feb / -7°708.37.510.60.0
Mar / -3°11912.57.911.70.8
Apr13° / 10911.31.912.93.6
May18° / 11911.70.113.95.7
Jun22° / 14°15914.3014.45.5
Jul25° / 17°18015.7014.25.7
Aug26° / 18°11412.7013.46.1
Sep23° / 14°15312.2012.26.1
Oct17° / 16011.1011.15.2
Nov11° / 798.81.210.12.7
Dec / -3°6296.89.60.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36238
46139
56238
66238
76238
86238
96238
106238
116238
126337
136238
146238
156238
166337
176337
186337
196337
206337
216337
226337
236535
246535
256535
266535
276535
286634
296634
306634
316634

Chance of precipitation in December

Any precipitationSnow

Chino gets around 62 mm of rain and snow over 9 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 29% and peaks near 30% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13012
23013
33013
42914
52915
62916
72916
82917
92918
102918
112919
122920
132920
142921
152921
162922
172922
182923
192923
202924
212925
222925
232925
242926
252926
262927
272827
282827
292828
302828
312828

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 6 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
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:45 AM to 7:03 AM, and sunset from 4:29 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:454:29
29.76:464:29
39.76:474:29
49.76:484:29
59.76:494:29
69.76:494:29
79.66:504:29
89.66:514:29
99.66:524:29
109.66:524:29
119.66:534:29
129.66:544:30
139.66:554:30
149.66:554:30
159.66:564:30
169.66:574:31
179.66:574:31
189.66:584:31
199.66:584:32
209.66:594:32
219.66:594:32
229.67:004:33
239.67:004:33
249.67:014:34
259.67:014:34
269.67:014:35
279.67:024:36
289.67:024:36
299.67:024:37
309.67:034:37
319.67:034:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.62 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 5.75 kWh/m² in May across the year — December's 2.62 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.9Moderate
Planning a trip in December

Is December a good time to visit Chino?

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

0.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Chino.

What to pack for Chino in December

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

In December, Chino sees daytime highs around 5°C and nights near -3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Chino 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 Chino peaks around July 14 at about 11 (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 14UV 11Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Chino 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 Chino is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1918 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar17Moderate
Apr18Moderate
May17Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep10Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Chino?

Chino sits at 36.0°N, 138.2°E, 801 m above sea level, in Japan. The nearest listed city is Suwa, 6.0 km away.

Topography around Chino

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

Within 3 km, the terrain around Chino has significant variations in elevation — a maximum elevation change of 524 m around an average of 888 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,457 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,064 m.

The land around Chino is covered by trees (50%) and artificial surfaces (36%) within 3 km, trees (76%) within 16 km, and trees (87%) within 80 km.

3 km
524 m
16 km
1,457 m
80 km
3,064 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Suwa 6.0 km · Shimosuwa 11 km · Okaya 12 km · Tatsuno 14 km · Kinoshita 18 km · Shiojiri 21 km · Minamiminowa 21 km · Ina 26 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 Chino (35.9944°, 138.1543°, elevation 801 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).