Ebetsu weather in December

In December, Ebetsu sees average daytime highs of 1°C and overnight lows near -4°C, with 62 mm of precipitation across 10.2 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 9th-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 13% 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 54 min by month's end. Set against the rest of the year, December is Ebetsu's 7th-clearest and 4th-windiest month. For the whole year in context, see Ebetsu's year-round climate.

Daytime high
10th warmest
Overnight low
-4°
3rd coldest
Precipitation
62 mm
10.2 wet days
Daylight
8 h 48 min
7:05 AM – 3:55 PM
Cloud cover
66%
7th clearest
Wind
11 km/h
4th windiest
Solar energy
1.64 kWh/m²
Travel score
0.0
out of 10

Ebetsu is city in Hokkaidō, Japan.

Density
715/km²
people per km²
Founded
1954

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 3°C in the first days to -1°C by the end.

A typical December day in Ebetsu reaches about 1°C in the afternoon and slips back to -4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 6°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)
14-2
24-2
33-2
43-2
53-2
63-3
72-3
82-3
92-3
102-3
112-4
122-4
131-4
141-4
151-4
161-5
171-5
181-5
191-5
200-5
210-5
220-5
230-6
240-6
250-6
260-6
270-6
280-6
290-6
30-1-6
31-1-7

How December really feels in Ebetsu

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
9 feel bitter (≤ -10°C)

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

Ebetsu weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -8°41811.29.20.0
Feb-1° / -8°3889.910.20.0
Mar / -4°5510.38.911.60.1
Apr11° / 6611.12.613.12.4
May16° / 8411.40.114.44.7
Jun19° / 13°7610.1015.15.9
Jul23° / 17°11912.2014.96.3
Aug24° / 19°17113.2013.86.2
Sep21° / 14°13813.9012.35.8
Oct15° / 8711.80.110.84.5
Nov / 7512.64.39.51.3
Dec / -4°6210.212.88.90.0

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 27% of December, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
64060
74060
84060
94060
104159
114159
124258
134258
144258
154258
164357
174357
184258
194159
204060
214060
223961
233961
243862
253961
263961
273862
283862
293862
303862
313862

Chance of precipitation in December

Any precipitationSnow

Ebetsu gets around 62 mm of rain and snow over 10.2 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 33% and peaks near 37% on the wettest days, and about 13 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13732
23633
33634
43535
53536
63537
73438
83439
93440
103441
113442
123442
133442
143443
153443
163443
173343
183343
193343
203343
213343
223343
233243
243243
253242
263142
273142
283041
293041
302941
312941

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 11 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 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
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 hours at the start of December to 8 h 54 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 6:52 AM to 7:11 AM, and sunset from 3:55 PM to 4:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.06:523:55
29.06:533:55
39.06:543:55
49.06:553:54
59.06:563:54
68.96:573:54
78.96:583:54
88.96:593:54
98.97:003:54
108.97:013:54
118.97:013:54
128.97:023:54
138.97:033:54
148.87:043:54
158.87:043:55
168.87:053:55
178.87:063:55
188.87:063:55
198.87:073:56
208.87:083:56
218.87:083:57
228.87:093:57
238.87:093:57
248.87:093:58
258.87:103:59
268.87:103:59
278.87:104:00
288.87:114:00
298.87:114:01
308.87:114:02
318.97:114:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.64 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.43 kWh/m² in May across the year — December's 1.64 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Ebetsu

In seasonPeak

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

Ebetsu sits in the Pacific typhoon belt; the season peaks July–October.

Ebetsu's rainy season runs July–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ebetsu?

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

0.0
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 Ebetsu.

What to pack for Ebetsu in December

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

In December, Ebetsu sees daytime highs around 1°C and nights near -4°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Ebetsu in December

The nearest coast averages about 9°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 33 km away) is warmest in August at about 22°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 31 to Sep 22 — about 1.8 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Ebetsu 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 Ebetsu peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highHighModerateLowAug 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Ebetsu 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 Ebetsu is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1119 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr19Moderate
May18Moderate
Jun13Moderate
Jul12Good
Aug10Good
Sep9Good
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Ebetsu?

Ebetsu sits at 43.1°N, 141.6°E, 12 m above sea level, in Japan. The nearest listed city is Tōbetsu, 12 km away.

Topography around Ebetsu

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

Within 3 km, the terrain around Ebetsu has only modest variations in elevation — a maximum elevation change of 40 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 136 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Ebetsu is covered by artificial surfaces (44%) and cropland (31%) within 3 km, cropland (55%) and artificial surfaces (21%) within 16 km, and trees (61%) and water (22%) within 80 km.

3 km
40 m
16 km
136 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Tōbetsu 12 km · Kitahiroshima 15 km · Sapporo 17 km · Iwamizawa 20 km · Ishikari 22 km · Eniwa 24 km · Chitose 33 km · Bibai 35 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 Ebetsu (43.1081°, 141.5506°, elevation 12 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).