Shizuoka weather in December

In December, Shizuoka sees average daytime highs of 12°C and overnight lows near 7°C, with 92 mm of precipitation across 8.3 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 10°C by the end. The sky is clear or mostly clear about 59% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Shizuoka's 1st-clearest and 2nd-windiest month. For the whole year in context, see Shizuoka's year-round climate.

Daytime high
12°
10th warmest
Overnight low
4th coldest
Precipitation
92 mm
8.3 wet days
Daylight
9 h 42 min
6:53 AM – 4:32 PM
Cloud cover
38%
1st clearest
Wind
12 km/h
2nd windiest
Solar energy
2.59 kWh/m²
Travel score
3.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 10°C by the end.

A typical December day in Shizuoka reaches about 12°C in the afternoon and slips back to 7°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1149
2149
3139
4139
5138
6138
7138
8138
9128
10128
11128
12127
13127
14127
15127
16127
17117
18117
19117
20116
21116
22116
23116
24116
25116
26116
27106
28106
29106
30105
31105

Shizuoka 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 / 958.40.49.92.1
Feb10° / 1189.30.710.72.2
Mar12° / 21114.40.211.73.0
Apr16° / 11°22513.6012.94.6
May20° / 15°23413.9013.85.6
Jun23° / 19°29117.2014.35.3
Jul26° / 23°32318.5014.15.2
Aug28° / 24°19116.3013.35.5
Sep25° / 21°27716.5012.25.7
Oct21° / 17°24714.1011.15.9
Nov16° / 12°15011.4010.25.1
Dec12° / 928.30.19.73.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56436
66634
76733
86634
96733
106832
116832
126832
136931
146931
157030
167030
177129
187129
197228
207327
217327
227327
237426
247426
257525
267525
277624
287624
297723
307723
317723

Chance of precipitation in December

Any precipitation

Shizuoka gets around 92 mm of rain and snow over 8.3 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 26% and peaks near 36% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
335
434
533
632
731
830
929
1028
1127
1227
1326
1425
1525
1624
1724
1824
1923
2023
2123
2223
2323
2423
2523
2622
2722
2822
2922
3022
3122

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19721
29721
39721
49910
59910
69910
79910
89910
99910
109910
119910
129910
139910
1410000
1510000
1610000
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 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 6 minutes over December. Sunrise moves from 6:42 AM to 6:59 AM, and sunset from 4:31 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:424:31
29.86:434:31
39.86:434:31
49.86:444:31
59.86:454:31
69.76:464:31
79.76:474:31
89.76:474:31
99.76:484:31
109.76:494:31
119.76:504:31
129.76:504:31
139.76:514:32
149.76:524:32
159.76:524:32
169.76:534:32
179.76:534:33
189.76:544:33
199.66:554:33
209.66:554:34
219.66:564:34
229.66:564:35
239.66:574:35
249.66:574:36
259.66:574:36
269.76:584:37
279.76:584:37
289.76:584:38
299.76:594:39
309.76:594:39
319.76:594:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.48 kWh/m² in May across the year — December's 2.59 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
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
252.7Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in December

Hazard calendar for Shizuoka

In seasonPeak

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

Shizuoka 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 Shizuoka?

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

3.3
Sightseeing
9th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Shizuoka.

What to pack for Shizuoka in December

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

In December, Shizuoka sees daytime highs around 12°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Shizuoka in December

The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 26 — about 6 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Shizuoka 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 Shizuoka peaks around July 22 at about 10 (extreme) — 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 highExtremeVery highModerateJul 22UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shizuoka 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 Shizuoka is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Shizuoka?

Shizuoka sits at 35.0°N, 138.4°E, 23 m above sea level, in Japan. The nearest listed city is Yaizu, 14 km away.

Topography around Shizuoka

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

Within 3 km, the terrain around Shizuoka has only modest variations in elevation — a maximum elevation change of 213 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,098 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Shizuoka is covered by artificial surfaces (75%) within 3 km, trees (51%) and water (29%) within 16 km, and trees (55%) and water (35%) within 80 km.

3 km
213 m
16 km
1,098 m
80 km
3,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Yaizu 14 km · Fujieda 17 km · Shimada 26 km · Sumiyoshi 29 km · Kanaya 30 km · Fujinomiya 34 km · Fuji 34 km · Maruobara 35 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 Shizuoka (34.9833°, 138.3833°, elevation 23 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).