Maruoka weather in December

In December, Maruoka sees average daytime highs of 10°C and overnight lows near 6°C, with 263 mm of precipitation across 23.2 wet days and about 9.6 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 8°C by the end. The sky is clear or mostly clear about 11% 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 Maruoka's 8th-clearest and 2nd-windiest month. For the whole year in context, see Maruoka's year-round climate.

Daytime high
10°
9th warmest
Overnight low
4th coldest
Precipitation
263 mm
23.2 wet days
Daylight
9 h 36 min
7:04 AM – 4:38 PM
Cloud cover
66%
8th clearest
Wind
19 km/h
2nd windiest
Solar energy
1.98 kWh/m²
Travel score
1.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 8°C by the end.

A typical December day in Maruoka reaches about 10°C in the afternoon and slips back to 6°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°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)
1128
2128
3128
4128
5128
6117
7117
8117
9117
10117
11107
12106
13106
14106
15106
16106
17106
1896
1995
2095
2195
2295
2395
2495
2595
2685
2785
2885
2985
3084
3184

How December really feels in Maruoka

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.

Maruoka weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 25124.811.89.80.6
Feb / 166209.210.60.7
Mar10° / 16316.73.611.71.9
Apr14° / 10°13613.20.112.93.9
May19° / 15°14812.6013.95.7
Jun22° / 19°17512.8014.45.9
Jul26° / 23°23214.8014.25.8
Aug28° / 25°14710.8013.46.0
Sep25° / 21°21413.6012.26.1
Oct20° / 16°17113.7011.15.9
Nov15° / 11°18917.30.110.13.8
Dec10° / 26323.25.99.61.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33961
43862
53763
63664
73565
83565
93466
103466
113466
123466
133367
143466
153466
163466
173565
183565
193565
203664
213763
223763
233862
243862
253763
263862
273862
283862
293862
303862
313961

Chance of precipitation in December

Any precipitationSnow

Maruoka gets around 263 mm of rain and snow over 23.2 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 75% and peaks near 79% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1675
2686
3697
4708
5719
67110
77211
87312
97413
107414
117515
127516
137516
147617
157618
167619
177620
187620
197621
207622
217623
227724
237725
247726
257726
267727
277828
287829
297829
307930
317931

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
6991
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 19 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

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 6:53 AM to 7:11 AM, and sunset from 4:36 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:534:36
29.76:544:36
39.76:554:36
49.76:564:36
59.76:574:36
69.66:574:36
79.66:584:36
89.66:594:36
99.67:004:36
109.67:004:36
119.67:014:36
129.67:024:37
139.67:034:37
149.67:034:37
159.67:044:37
169.67:044:38
179.57:054:38
189.57:064:38
199.57:064:39
209.57:074:39
219.57:074:40
229.57:084:40
239.57:084:40
249.57:094:41
259.57:094:42
269.57:094:42
279.57:104:43
289.67:104:43
299.67:104:44
309.67:114:45
319.67:114:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.98 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 5.69 kWh/m² in May across the year — December's 1.98 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.0Moderate
72.0Moderate
82.0Dim
92.0Dim
102.0Dim
112.0Dim
122.0Dim
132.0Dim
142.0Dim
152.0Dim
162.0Dim
172.0Dim
182.0Dim
192.0Dim
202.0Moderate
212.0Moderate
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.0Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Maruoka

In seasonPeak

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

Maruoka 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 Maruoka?

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
9th-best month of the year

December is a weaker month for outdoor sightseeing in Maruoka.

What to pack for Maruoka in December

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

In December, Maruoka sees daytime highs around 10°C and nights near 6°C. Pack a warm layer and rain gear. About 23 days see rain.

a warm layerrain gear

Sea temperature near Maruoka 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 13 km away) is warmest in August at about 27°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 16 to Nov 5 — about 4.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar11Bracing
Apr13Bracing
May16Cool
Jun20Refreshing
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Maruoka 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 Maruoka peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 17UV 10Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Maruoka 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 Maruoka is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1620 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Maruoka?

Maruoka sits at 36.2°N, 136.3°E, 13 m above sea level, in Japan. The nearest listed city is Sakai, 7.0 km away.

Topography around Maruoka

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

Within 3 km, the terrain around Maruoka has significant variations in elevation — a maximum elevation change of 349 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,081 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,671 m.

The land around Maruoka is covered by cropland (51%) and artificial surfaces (30%) within 3 km, trees (54%) and cropland (21%) within 16 km, and trees (57%) and water (34%) within 80 km.

3 km
349 m
16 km
1,081 m
80 km
2,671 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sakai 7.0 km · Awara 10 km · Iijima 11 km · Fukui-shi 11 km · Mikuni 13 km · Kaga 17 km · Katsuyama 23 km · Sabae 24 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 Maruoka (36.1534°, 136.2703°, elevation 13 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).