Yabu weather in December

In December, Yabu sees average daytime highs of 9°C and overnight lows near 3°C, with 107 mm of precipitation across 17.6 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 8°C by the end. The sky is clear or mostly clear about 13% 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 36 min by month's end. Set against the rest of the year, December is Yabu's 5th-clearest and 2nd-windiest month. For the whole year in context, see Yabu's year-round climate.

Daytime high
10th warmest
Overnight low
4th coldest
Precipitation
107 mm
17.6 wet days
Daylight
9 h 36 min
7:08 AM – 4:46 PM
Cloud cover
64%
5th clearest
Wind
11 km/h
2nd windiest
Solar energy
2.05 kWh/m²
Travel score
1.6
out of 10

Yabu is city in Hyōgo Prefecture, Japan.

Density
52/km²
people per km²
Founded
2004

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 11°C in the first days to 8°C by the end.

A typical December day in Yabu reaches about 9°C in the afternoon and slips back to 3°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 13°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1125
2125
3115
4115
5115
6115
7114
8104
9104
10104
11104
12104
13104
1493
1593
1693
1793
1893
1993
2093
2193
2283
2382
2482
2582
2682
2782
2882
2982
3082
3172

How December really feels in Yabu

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 15 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
15
wind chill below the day's low

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

Yabu 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 / 10719.710.69.90.5
Feb / 9015.58.710.70.8
Mar11° / 13015.93.311.72.4
Apr17° / 12212.10.112.95.0
May22° / 13°15612.2013.86.2
Jun25° / 18°19614.9014.35.7
Jul29° / 22°23918.2014.14.5
Aug30° / 23°17915.3013.34.4
Sep26° / 19°23215.4012.25.7
Oct20° / 13°14811.8011.16.1
Nov15° / 10113.90.110.14.1
Dec / 10717.659.71.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 28% of December, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34159
44159
54159
64159
74159
84060
94060
104060
114159
124159
134159
144159
154159
164159
174159
184258
194159
204159
214159
224258
234258
244159
254159
264060
274159
284060
294060
304060
314060

Chance of precipitation in December

Any precipitationSnow

Yabu gets around 107 mm of rain and snow over 17.6 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 57% and peaks near 61% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1504
2514
3515
4526
5527
6538
7549
85410
95511
105612
115613
125713
135714
145815
155816
165916
175917
185918
195919
206019
216020
226021
236021
246022
256022
266023
276024
286024
296025
306126
316126

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 (%)Comfortable (%)
1991
2991
3991
4991
5991
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 11 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
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 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 12 minutes over December. Sunrise moves from 6:57 AM to 7:15 AM, and sunset from 4:44 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:574:44
29.86:584:44
39.86:594:44
49.77:004:44
59.77:014:44
69.77:014:44
79.77:024:44
89.77:034:44
99.77:044:44
109.77:044:44
119.77:054:44
129.67:064:45
139.67:064:45
149.67:074:45
159.67:084:45
169.67:084:46
179.67:094:46
189.67:104:46
199.67:104:47
209.67:114:47
219.67:114:48
229.67:124:48
239.67:124:49
249.67:134:49
259.67:134:50
269.67:134:50
279.67:144:51
289.67:144:51
299.67:144:52
309.67:154:53
319.67:154:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.05 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 5.47 kWh/m² in May across the year — December's 2.05 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Moderate
132.0Moderate
142.0Moderate
152.0Moderate
162.0Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Hazard calendar for Yabu

In seasonPeak

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

Yabu 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 Yabu?

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

1.6
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 Yabu.

What to pack for Yabu in December

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

In December, Yabu sees daytime highs around 9°C and nights near 3°C. Pack a warm layer and rain gear. About 18 days see rain.

a warm layerrain gear

Sea temperature near Yabu in December

The nearest coast averages about 16°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 26 km away) is warmest in August at about 27°C and coldest in March near 12°C.

It's comfortable for a long swim from Jun 13 to Nov 7 — about 4.9 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Yabu 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 Yabu peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highVery highModerateJul 16UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yabu 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 Yabu is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Yabu?

Yabu sits at 35.4°N, 134.8°E, 40 m above sea level, in Japan. The nearest listed city is Wadayama, 13 km away.

Topography around Yabu

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

Within 3 km, the terrain around Yabu has significant variations in elevation — a maximum elevation change of 441 m around an average of 146 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,133 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,487 m.

The land around Yabu is covered by trees (76%) within 3 km, trees (88%) within 16 km, and trees (61%) and water (30%) within 80 km.

3 km
441 m
16 km
1,133 m
80 km
1,487 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Wadayama 13 km · Toyooka 16 km · Kasumi 28 km · Yotsutsuji 33 km · Fukuchiyama 33 km · Kyōtango 33 km · Tamba 35 km · Tanba 36 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 Yabu (35.403°, 134.7712°, elevation 40 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).