Shizukuishi weather in December

In December, Shizukuishi sees average daytime highs of 2°C and overnight lows near -6°C, with 105 mm of precipitation across 16 wet days and about 9.2 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 0°C by the end. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 12 min by month's end. Set against the rest of the year, December is Shizukuishi's 6th-clearest and 4th-windiest month. For the whole year in context, see Shizukuishi's year-round climate.

Daytime high
10th warmest
Overnight low
-6°
3rd coldest
Precipitation
105 mm
16 wet days
Daylight
9 h 12 min
6:56 AM – 4:08 PM
Cloud cover
73%
6th clearest
Wind
9 km/h
4th windiest
Solar energy
1.81 kWh/m²
Travel score
0.0
out of 10

Shizukuishi is town in Iwate district, Iwate prefecture, Japan.

Density
27/km²
people per km²
Founded
1955

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 4°C in the first days to 0°C by the end.

A typical December day in Shizukuishi reaches about 2°C in the afternoon and slips back to -6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 6°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-3
24-3
34-3
44-3
53-4
63-4
73-4
83-4
93-4
102-5
112-5
122-5
132-5
142-5
152-6
161-6
171-6
181-6
191-6
201-6
211-6
221-6
231-7
241-7
251-7
260-7
270-7
280-7
290-7
300-7
310-7

How December really feels in Shizukuishi

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
14 feel bitter (≤ -10°C)

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

Shizukuishi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -8°8314.518.39.50.0
Feb / -8°7713.515.210.40.0
Mar / -4°11316.11411.70.1
Apr11° / 108154.5132.2
May17° / 11413.90.214.24.8
Jun20° / 13°12113.4014.85.5
Jul24° / 17°18117.3014.55.5
Aug25° / 19°16416013.65.7
Sep21° / 14°16114.5012.35.5
Oct15° / 13513.40.210.94.2
Nov / 10815.159.81.3
Dec / -6°10516169.20.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52872
62872
72872
82872
92872
102773
112674
122674
132674
142575
152575
162575
172476
182476
192476
202476
212674
222674
232674
242674
252674
262773
272674
282575
292575
302575
312575

Chance of precipitation in December

Any precipitationSnow

Shizukuishi gets around 105 mm of rain and snow over 16 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 52% and peaks near 53% on the wettest days, and about 16 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15336
25338
35339
45341
55342
65344
75345
85346
95347
105349
115350
125350
135351
145252
155253
165253
175254
185255
195255
205256
215156
225157
235157
245157
255057
265058
275058
285058
295059
304959
314959

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 9 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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 12 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 6:44 AM to 7:02 AM, and sunset from 4:08 PM to 4:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.46:444:08
29.46:454:08
39.46:464:07
49.36:474:07
59.36:484:07
69.36:484:07
79.36:494:07
89.36:504:07
99.36:514:07
109.36:524:07
119.26:534:07
129.26:534:07
139.26:544:08
149.26:554:08
159.26:554:08
169.26:564:08
179.26:574:09
189.26:574:09
199.26:584:09
209.26:584:10
219.26:594:10
229.26:594:11
239.27:004:11
249.27:004:12
259.27:014:12
269.27:014:13
279.27:014:13
289.27:024:14
299.27:024:15
309.27:024:15
319.27:024:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.81 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 5.13 kWh/m² in May across the year — December's 1.81 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
282.0Dim
292.0Dim
302.0Moderate
312.0Moderate
Planning a trip in December

Is December a good time to visit Shizukuishi?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Shizukuishi.

What to pack for Shizukuishi in December

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

In December, Shizukuishi sees daytime highs around 2°C and nights near -6°C. Pack a warm layer, a heavy coat and rain gear. About 16 days see rain.

a warm layera heavy coatrain gear

UV index in Shizukuishi 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 Shizukuishi peaks around August 18 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighVery highHighModerateLowAug 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Shizukuishi 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 Shizukuishi is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1420 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct12Good
Nov11Good
Dec9Good
Location & terrain

Where is Shizukuishi?

Shizukuishi sits at 39.7°N, 141.0°E, 192 m above sea level, in Japan. The nearest listed city is Morioka, 14 km away.

Topography around Shizukuishi

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

Within 3 km, the terrain around Shizukuishi has only modest variations in elevation — a maximum elevation change of 167 m around an average of 207 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,544 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,986 m.

The land around Shizukuishi is covered by cropland (39%) and trees (37%) within 3 km, trees (75%) within 16 km, and trees (87%) within 80 km.

3 km
167 m
16 km
1,544 m
80 km
1,986 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Morioka 14 km · Yahaba 17 km · Takizawa 18 km · Semboku 20 km · Hizume 22 km · Hachimantai 26 km · Hanamaki 36 km · Kitakami 47 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 Shizukuishi (39.6941°, 140.9844°, elevation 192 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).