Mombetsu weather in January

In January, Mombetsu sees average daytime highs of -4°C and overnight lows near -11°C, with 64 mm of precipitation across 10.3 wet days and about 9 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near -4°C through the month. The sky is clear or mostly clear about 12% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Mombetsu's 8th-clearest and 3rd-windiest month. For the whole year in context, see Mombetsu's year-round climate.

Daytime high
-4°
12th warmest
Overnight low
-11°
2nd coldest
Precipitation
64 mm
10.3 wet days
Daylight
9 hours
7:06 AM – 4:06 PM
Cloud cover
71%
8th clearest
Wind
13 km/h
3rd windiest
Solar energy
1.93 kWh/m²
Travel score
0.0
out of 10

Mombetsu is city in Hokkaido, Japan.

Density
28/km²
people per km²
Founded
1954

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -4°C through the month.

A typical January day in Mombetsu reaches about -4°C in the afternoon and slips back to -11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 0°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-20°-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
1-3-9
2-3-9
3-3-9
4-3-9
5-3-9
6-3-10
7-3-10
8-3-10
9-3-10
10-3-10
11-4-10
12-4-10
13-4-10
14-4-10
15-4-11
16-4-11
17-4-11
18-4-11
19-4-11
20-4-11
21-4-11
22-4-11
23-4-11
24-4-11
25-4-11
26-4-11
27-4-11
28-4-11
29-4-11
30-4-11
31-4-11

How January really feels in Mombetsu

Once humidity and wind are folded in, January 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
31 feel bitter (≤ -10°C)

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

Mombetsu weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -11°6410.312.290.0
Feb-3° / -11°499.211.710.20.0
Mar / -6°6111.611.611.60.0
Apr / -0°6711.56.313.21.7
May15° / 8111.61.314.64.2
Jun18° / 10°8011.4015.35.4
Jul22° / 15°11012.10156.0
Aug23° / 16°13313.4013.86.1
Sep20° / 12°12112.3012.35.8
Oct14° / 85110.410.84.0
Nov / -1°7211.25.79.40.7
Dec-1° / -7°729.710.58.70.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43466
53367
63367
73367
83268
93268
103367
113367
123367
133268
143169
153169
163169
173169
183169
193169
203070
213070
223070
233070
243070
252971
262971
272971
282872
292872
302773
312773

Chance of precipitation in January

Any precipitationSnow

Mombetsu gets around 64 mm of rain and snow over 10.3 wet days in January. 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 34% on the wettest days, and about 12 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13440
23440
33440
43440
53340
63339
73339
83339
93239
103239
113239
123239
133239
143239
153239
163239
173339
183339
193339
203339
213339
223439
233439
243439
253439
263339
273339
283339
293239
303239
313139

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 12 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 42 min at the start of January to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:08 AM to 6:54 AM, and sunset from 3:51 PM to 4:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:083:51
28.77:083:52
38.77:083:53
48.87:083:54
58.87:083:55
68.87:083:56
78.87:083:57
88.87:083:58
98.87:083:59
108.97:084:00
118.97:074:01
128.97:074:02
138.97:074:03
149.07:064:04
159.07:064:05
169.07:064:06
179.07:054:07
189.17:054:09
199.17:044:10
209.17:034:11
219.27:034:12
229.27:024:14
239.27:014:15
249.37:014:16
259.37:004:17
269.36:594:19
279.46:584:20
289.46:574:21
299.46:564:23
309.56:554:24
319.56:544:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.93 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.48 kWh/m² in May across the year — January's 1.93 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
192.0Dim
202.0Dim
212.0Moderate
222.0Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.2Moderate
282.2Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in January

Hazard calendar for Mombetsu

In seasonPeak

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

Mombetsu 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 January a good time to visit Mombetsu?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Mombetsu.

What to pack for Mombetsu in January

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

In January, Mombetsu sees daytime highs around -4°C and nights near -11°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 Mombetsu in January

The nearest coast averages about 0°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in February near -1°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
Jan0Bracing
Feb-1Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep17Cool
Oct13Bracing
Nov7Bracing
Dec3Bracing

UV index in Mombetsu in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Mombetsu peaks around August 14 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 14UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7High
Jun7High
Jul7High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mombetsu?

Mombetsu sits at 44.4°N, 143.4°E, 16 m above sea level, in Japan. The nearest listed city is Engaru, 37 km away.

Fukagawa

Topography around Mombetsu

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

Within 3 km, the terrain around Mombetsu has significant variations in elevation — a maximum elevation change of 340 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 420 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,956 m.

The land around Mombetsu is covered by water (41%), trees (28%) and artificial surfaces (22%) within 3 km, water (50%) and trees (37%) within 16 km, and trees (58%) and water (32%) within 80 km.

3 km
340 m
16 km
420 m
80 km
1,956 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Engaru 37 km · Nayoro 71 km · Kitami 75 km · Minamishibetsuchō 81 km · Abashiri 82 km · Motomachi 83 km · Asahikawa 102 km · Fukagawa 127 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 Mombetsu (44.3525°, 143.3525°, elevation 16 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).