Nemuro weather in December

In December, Nemuro sees average daytime highs of 2°C and overnight lows near -1°C, with 77 mm of precipitation across 9.6 wet days and about 8.8 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 0°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 Nemuro's 1st-clearest and 1st-windiest month. For the whole year in context, see Nemuro's year-round climate.

Daytime high
9th warmest
Overnight low
-1°
4th coldest
Precipitation
77 mm
9.6 wet days
Daylight
8 h 48 min
6:50 AM – 3:38 PM
Cloud cover
50%
1st clearest
Wind
26 km/h
1st windiest
Solar energy
1.71 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 4°C in the first days to 0°C by the end.

A typical December day in Nemuro reaches about 2°C in the afternoon and slips back to -1°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 6°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
151
251
341
441
541
640
740
830
930
1030
1130
123-1
133-1
142-1
152-1
162-1
172-1
182-1
192-1
202-2
211-2
221-2
231-2
241-2
251-2
261-2
271-2
281-2
290-3
300-3
310-3

How December really feels in Nemuro

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
wind chill below the day's low

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

Nemuro weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -4°548.27.79.20.0
Feb-2° / -5°447.17.610.20.0
Mar / -2°699.17.211.60.0
Apr / 809.73.113.20.0
May / 9810.40.214.50.9
Jun10° / 909.3015.12.3
Jul14° / 13°11910014.94.0
Aug17° / 16°14111.2013.85.2
Sep17° / 15°16011.1012.35.1
Oct13° / 11°12210010.83.9
Nov / 9110.31.19.51.4
Dec / -1°779.65.78.80.0

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 18% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36040
46139
56139
66139
76139
86238
96337
106337
116238
126238
136337
146337
156337
166436
176337
186337
196337
206337
216337
226238
236238
246238
256238
266238
276139
286139
296139
306139
316040

Chance of precipitation in December

Any precipitationSnow

Nemuro gets around 77 mm of rain and snow over 9.6 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 31% and peaks near 33% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13311
23311
33312
43313
53314
63214
73215
83216
93217
103217
113218
123219
133219
143220
153220
163221
173221
183121
193121
203121
213121
223121
233021
243021
253021
263021
272921
282921
292921
302921
312821

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

Across December, daily wind ranges from about 26 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy
3126breezy

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 6:37 AM to 6:56 AM, and sunset from 3:38 PM to 3:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.06:373:38
29.06:383:38
39.06:393:38
49.06:403:37
58.96:413:37
68.96:423:37
78.96:433:37
88.96:443:37
98.96:443:37
108.96:453:37
118.96:463:37
128.86:473:37
138.86:483:37
148.86:483:37
158.86:493:38
168.86:503:38
178.86:503:38
188.86:513:39
198.86:523:39
208.86:523:39
218.86:533:40
228.86:533:40
238.86:543:41
248.86:543:41
258.86:543:42
268.86:553:42
278.86:553:43
288.86:553:44
298.86:563:44
308.86:563:45
318.86:563:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.71 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 5.21 kWh/m² in May across the year — December's 1.71 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
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Nemuro

In seasonPeak

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

Nemuro 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 Nemuro?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
5th-best month of the year

December is a weaker month for outdoor sightseeing in Nemuro.

What to pack for Nemuro in December

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

In December, Nemuro sees daytime highs around 2°C and nights near -1°C. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 10 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Nemuro 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 offshore is warmest in September at about 16°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°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun8Bracing
Jul13Bracing
Aug16Cool
Sep16Cool
Oct13Bracing
Nov10Bracing
Dec5Bracing

UV index in Nemuro 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 Nemuro peaks around August 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7Very high
Jun7High
Jul5High
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Nemuro?

Nemuro sits at 43.3°N, 145.6°E, 24 m above sea level, in Japan. The nearest listed city is Shibetsu, 52 km away.

AbashiriMotomachiKitamiEngaruSarubetsu

Topography around Nemuro

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

Within 3 km, the terrain around Nemuro has only modest variations in elevation — a maximum elevation change of 64 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, large variations in elevation — a maximum elevation change of 1,062 m.

The land around Nemuro is covered by water (32%) and artificial surfaces (21%) within 3 km, water (75%) within 16 km, and water (69%) within 80 km.

3 km
64 m
16 km
101 m
80 km
1,062 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Shibetsu 52 km · Nakashibetsu 55 km · Kushiro 105 km · Abashiri 131 km · Motomachi 132 km · Kitami 146 km · Engaru 182 km · Sarubetsu 188 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 Nemuro (43.3236°, 145.575°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).