Shimada weather in December

In December, Shimada sees average daytime highs of 12°C and overnight lows near 8°C, with 86 mm of rain across 8.2 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 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 62% 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 Shimada's 1st-clearest and 2nd-windiest month. For the whole year in context, see Shimada's year-round climate.

Daytime high
12°
10th warmest
Overnight low
4th coldest
Rainfall
86 mm
8.2 wet days
Daylight
9 h 42 min
6:53 AM – 4:34 PM
Cloud cover
35%
1st clearest
Wind
21 km/h
2nd windiest
Solar energy
2.62 kWh/m²
Travel score
3.7
out of 10

Shimada is city in Shizuoka Prefecture, Japan.

Founded
1948

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 14°C in the first days to 11°C by the end.

A typical December day in Shimada reaches about 12°C in the afternoon and slips back to 8°C overnight — a 4°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 3°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11511
21410
31410
41410
51410
61410
71410
8139
9139
10139
11139
12139
13139
14128
15128
16128
17128
18128
19128
20128
21128
22127
23117
24117
25117
26117
27117
28117
29117
30117
31117

How December really feels in Shimada

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Shimada 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 daysDaylight (hours)Travel score
Jan10° / 897.39.92.5
Feb11° / 1098.410.72.6
Mar13° / 18412.811.73.5
Apr17° / 12°1931212.85.1
May20° / 16°22312.513.85.9
Jun23° / 20°29115.914.35.5
Jul27° / 24°2871614.15.5
Aug28° / 25°17115.813.35.5
Sep26° / 23°26516.712.25.7
Oct22° / 18°2511411.16.1
Nov17° / 13°14811.110.25.4
Dec12° / 868.29.73.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% 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 (%)
16535
26535
36634
46733
56733
66832
76931
86931
97030
107030
117129
127129
137129
147030
157129
167129
177129
187129
197327
207327
217327
227327
237426
247525
257525
267624
277624
287624
297624
307822
317822

Chance of precipitation in December

Any precipitation

Shimada gets around 86 mm of rain over 8.2 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 rain averages around 26% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
134
233
333
433
532
632
731
831
930
1029
1129
1228
1328
1427
1526
1626
1725
1824
1924
2023
2123
2222
2322
2421
2521
2621
2720
2820
2920
3019
3119

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 (%)
19541
29541
39631
49631
59631
69631
79721
89721
99820
109820
119910
129910
139910
149910
159910
169910
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
620light breeze
720light breeze
820light breeze
920breezy
1020breezy
1120breezy
1220breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

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 7:00 AM, and sunset from 4:32 PM to 4:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:424:32
29.86:434:32
39.86:444:32
49.86:454:32
59.86:454:32
69.86:464:32
79.76:474:32
89.76:484:32
99.76:484:32
109.76:494:32
119.76:504:32
129.76:514:33
139.76:514:33
149.76:524:33
159.76:534:33
169.76:534:34
179.76:544:34
189.76:544:34
199.76:554:35
209.76:554:35
219.76:564:36
229.76:564:36
239.76:574:37
249.76:574:37
259.76:584:38
269.76:584:38
279.76:584:39
289.76:594:39
299.76:594:40
309.76:594:41
319.77:004:41

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 5.55 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
182.7Moderate
192.7Moderate
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

Hazard calendar for Shimada

In seasonPeak

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

Shimada 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 Shimada?

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

3.7
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 Shimada.

What to pack for Shimada in December

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

In December, Shimada sees daytime highs around 12°C and nights near 8°C. Worth packing: a warm layer, rain gear and a windbreaker. About 8 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Shimada 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 at the nearest coast (about 19 km away) 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 Shimada 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 Shimada peaks around July 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highVery highModerateJul 20UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shimada 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 Shimada 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 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May19Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Shimada?

Shimada sits at 34.8°N, 138.2°E, 105 m above sea level, in Japan. The nearest listed city is Kanaya, 5.0 km away.

Topography around Shimada

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

Within 3 km, the terrain around Shimada has only modest variations in elevation — a maximum elevation change of 152 m around an average of 78 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 827 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,738 m.

The land around Shimada is covered by trees (43%) and artificial surfaces (31%) within 3 km, trees (56%) within 16 km, and trees (51%) and water (40%) within 80 km.

3 km
152 m
16 km
827 m
80 km
3,738 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kanaya 5.0 km · Maruobara 9.0 km · Fujieda 9.0 km · Sumiyoshi 10 km · Yaizu 14 km · Kikugawa 14 km · Sagara 15 km · Kakegawa 16 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 Shimada (34.8167°, 138.1833°, elevation 105 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).