Nakashibetsu weather in December

In December, Nakashibetsu sees average daytime highs of 1°C and overnight lows near -6°C, with 72 mm of precipitation across 8.4 wet days and about 8.8 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to -1°C by the end. The sky is clear or mostly clear about 44% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Nakashibetsu's 1st-clearest and 4th-windiest month. For the whole year in context, see Nakashibetsu's year-round climate.

Daytime high
10th warmest
Overnight low
-6°
4th coldest
Precipitation
72 mm
8.4 wet days
Daylight
8 h 48 min
6:53 AM – 3:40 PM
Cloud cover
50%
1st clearest
Wind
12 km/h
4th windiest
Solar energy
1.74 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 3°C in the first days to -1°C by the end.

A typical December day in Nakashibetsu reaches about 1°C in the afternoon and slips back to -6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 5°C. Set against its neighbours, December runs about 7°C cooler than November and about 3°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-3
23-3
33-4
43-4
53-4
63-4
72-4
82-5
92-5
102-5
112-5
121-6
131-6
141-6
151-6
161-7
170-7
180-7
190-7
200-7
210-8
220-8
230-8
240-8
25-1-8
26-1-8
27-1-8
28-1-9
29-1-9
30-1-9
31-1-9

How December really feels in Nakashibetsu

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
22 feel bitter (≤ -10°C)

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

Nakashibetsu 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-3° / -11°547.37.59.10.0
Feb-2° / -12°436.47.310.20.0
Mar / -7°739.58.411.60.0
Apr / -0°8410.94.213.21.7
May14° / 9011.20.514.54.0
Jun17° / 10°749.5015.25.3
Jul21° / 14°10710.4014.96.0
Aug22° / 16°13812.3013.86.0
Sep20° / 13°15212012.35.7
Oct14° / 116100.110.84.3
Nov / 789.42.49.51.3
Dec / -6°728.46.58.80.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46337
56337
66337
76337
86436
96436
106436
116436
126436
136436
146436
156436
166436
176337
186337
196337
206337
216337
226337
236337
246337
256238
266139
276139
286139
296040
306040
315941

Chance of precipitation in December

Any precipitationSnow

Nakashibetsu gets around 72 mm of rain and snow over 8.4 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 27% and peaks near 29% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12916
22916
32916
42817
52817
62818
72718
82718
92719
102719
112720
122720
132720
142721
152621
162621
172622
182622
192622
202623
212723
222723
232724
242724
252724
262724
272724
282624
292624
302624
312524

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 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 hours at the start of December to 8 h 48 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 6:40 AM to 6:59 AM, and sunset from 3:40 PM to 3:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.06:403:40
29.06:413:40
39.06:423:39
48.96:433:39
58.96:443:39
68.96:453:39
78.96:463:39
88.96:473:39
98.96:483:39
108.86:483:39
118.86:493:39
128.86:503:39
138.86:513:39
148.86:523:39
158.86:523:39
168.86:533:40
178.86:543:40
188.86:543:40
198.86:553:40
208.86:553:41
218.86:563:41
228.86:563:42
238.86:573:42
248.86:573:43
258.86:583:43
268.86:583:44
278.86:583:45
288.86:593:45
298.86:593:46
308.86:593:47
318.86:593:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.74 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 5.17 kWh/m² in May across the year — December's 1.74 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Nakashibetsu

In seasonPeak

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

Nakashibetsu 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 Nakashibetsu?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Nakashibetsu.

What to pack for Nakashibetsu in December

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

In December, Nakashibetsu sees daytime highs around 1°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Nakashibetsu in December

The nearest coast averages about 5°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 15 km away) is warmest in September at about 17°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun9Bracing
Jul13Bracing
Aug17Cool
Sep17Cool
Oct14Bracing
Nov10Bracing
Dec5Bracing

UV index in Nakashibetsu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nakashibetsu peaks around August 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowAug 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul6High
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Nakashibetsu?

Nakashibetsu sits at 43.5°N, 145.0°E, 31 m above sea level, in Japan. The nearest listed city is Shibetsu, 18 km away.

EngaruSarubetsu

Topography around Nakashibetsu

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

Within 3 km, the terrain around Nakashibetsu has only modest variations in elevation — a maximum elevation change of 70 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 977 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,608 m.

The land around Nakashibetsu is covered by trees (47%), grassland (21%) and artificial surfaces (20%) within 3 km, trees (42%), cropland (36%) and grassland (20%) within 16 km, and water (47%) and trees (37%) within 80 km.

3 km
70 m
16 km
977 m
80 km
1,608 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Shibetsu 18 km · Nemuro 55 km · Motomachi 77 km · Abashiri 77 km · Kushiro 80 km · Kitami 91 km · Engaru 127 km · Sarubetsu 152 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 Nakashibetsu (43.5485°, 144.9718°, elevation 31 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).