Nyūzen weather in December

In December, Nyūzen sees average daytime highs of 8°C and overnight lows near 5°C, with 263 mm of precipitation across 24.5 wet days and about 9.5 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 10°C in the first days to 6°C by the end. The sky is clear or mostly clear about 10% 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 30 min by month's end. Set against the rest of the year, December is Nyūzen's 8th-clearest and 1st-windiest month. For the whole year in context, see Nyūzen's year-round climate.

Daytime high
9th warmest
Overnight low
4th coldest
Precipitation
263 mm
24.5 wet days
Daylight
9 h 30 min
7:02 AM – 4:31 PM
Cloud cover
71%
8th clearest
Wind
14 km/h
1st windiest
Solar energy
1.82 kWh/m²
Travel score
0.9
out of 10

Nyūzen is town in Shimoniikawa District, Toyama Prefecture, Japan.

Density
351/km²
people per km²
Founded
1953

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 10°C in the first days to 6°C by the end.

A typical December day in Nyūzen reaches about 8°C in the afternoon and slips back to 5°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 12°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

10°15°151015202531
Avg high (°C)Avg low (°C)
1117
2107
3107
4106
5106
6106
796
896
996
1095
1195
1285
1385
1485
1585
1684
1784
1874
1974
2074
2174
2274
2374
2474
2573
2663
2763
2863
2963
3063
3163

How December really feels in Nyūzen

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 7 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
7
wind chill below the day's low

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

Nyūzen 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 / 26126.321.19.80.0
Feb / 19321.516.810.60.1
Mar / 18620.411.411.70.9
Apr12° / 14414.51.612.93.0
May18° / 13°14413.8013.95.2
Jun21° / 18°17113.4014.55.7
Jul26° / 23°24016.6014.35.6
Aug27° / 24°16815.4013.45.6
Sep24° / 21°21817.2012.35.5
Oct19° / 16°20516.70115.1
Nov13° / 10°20919.31.3103.0
Dec / 26324.513.19.50.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32872
42773
52773
62674
72674
82575
92575
102575
112575
122575
132575
142575
152575
162575
172575
182575
192575
202575
212575
222575
232575
242476
252476
262476
272377
282377
292278
302278
312278

Chance of precipitation in December

Any precipitationSnow

Nyūzen gets around 263 mm of rain and snow over 24.5 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 79% and peaks near 84% on the wettest days, and about 13 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
17317
27419
37520
47522
57624
67627
77729
87731
97833
107835
117837
127939
137940
147941
157943
167944
177945
187946
197947
207948
217949
228050
238052
248153
258154
268255
278256
288257
298358
308360
318461

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 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 30 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 6:50 AM to 7:08 AM, and sunset from 4:29 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:504:29
29.66:514:29
39.66:524:29
49.66:534:29
59.66:544:29
69.66:554:29
79.66:554:29
89.56:564:29
99.56:574:29
109.56:584:29
119.56:584:29
129.56:594:30
139.57:004:30
149.57:014:30
159.57:014:30
169.57:024:31
179.57:024:31
189.57:034:31
199.57:044:32
209.57:044:32
219.57:054:32
229.57:054:33
239.57:064:33
249.57:064:34
259.57:064:34
269.57:074:35
279.57:074:36
289.57:074:36
299.57:084:37
309.57:084:37
319.57:084:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.82 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 5.68 kWh/m² in May across the year — December's 1.82 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
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
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Nyūzen

In seasonPeak

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

Nyūzen 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 Nyūzen?

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

0.9
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Nyūzen.

What to pack for Nyūzen in December

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

In December, Nyūzen sees daytime highs around 8°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 25 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Nyūzen 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 10°C.

It's comfortable for a long swim from Jun 18 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Nyūzen 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 Nyūzen peaks around August 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highModerateAug 10UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Nyūzen 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 Nyūzen is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 139 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Nyūzen?

Nyūzen sits at 36.9°N, 137.5°E, 24 m above sea level, in Japan. The nearest listed city is Kurobe-shi, 6.0 km away.

Topography around Nyūzen

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

Within 3 km, the terrain around Nyūzen has only modest variations in elevation — a maximum elevation change of 58 m around an average of 21 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,350 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Nyūzen is covered by cropland (55%) and artificial surfaces (25%) within 3 km, water (53%) and trees (27%) within 16 km, and trees (51%) and water (37%) within 80 km.

3 km
58 m
16 km
1,350 m
80 km
3,123 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Kurobe-shi 6.0 km · Uozu 18 km · Namerikawa 23 km · Kamiichi 29 km · Itoigawa 33 km · Gohyakkoku 35 km · Toyama 37 km · Imizu 38 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 Nyūzen (36.9374°, 137.5006°, elevation 24 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).