Rumoi weather in February

In February, Rumoi sees average daytime highs of -2°C and overnight lows near -8°C, with 55 mm of precipitation across 14.2 wet days and about 10.2 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs climb 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 6% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of February to 10 h 48 min by month's end. Set against the rest of the year, February is Rumoi's 10th-clearest and 5th-windiest month. For the whole year in context, see Rumoi's year-round climate.

Daytime high
-2°
11th warmest
Overnight low
-8°
2nd coldest
Precipitation
55 mm
14.2 wet days
Daylight
10 h 12 min
6:42 AM – 4:54 PM
Cloud cover
74%
10th clearest
Wind
12 km/h
5th windiest
Solar energy
2.82 kWh/m²
Travel score
0.0
out of 10

Rumoi is city in Hokkaido, Japan.

Density
89/km²
people per km²
Founded
1947

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

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

A typical February day in Rumoi reaches about -2°C in the afternoon and slips back to -8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 2°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

-15°-10°-5°151015202528
Avg high (°C)Avg low (°C)
1-3-9
2-3-9
3-3-9
4-3-9
5-3-9
6-3-9
7-3-9
8-3-9
9-3-9
10-2-9
11-2-9
12-2-9
13-2-8
14-2-8
15-2-8
16-2-8
17-2-8
18-2-8
19-1-8
20-1-8
21-1-8
22-1-8
23-1-8
24-1-8
25-1-7
26-1-7
270-7
280-7

How February really feels in Rumoi

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 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
28
28 feel bitter (≤ -10°C)

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

Rumoi weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -9°6717.3219.10.0
Feb-2° / -8°5514.217.110.20.0
Mar / -5°6613.614.111.60.0
Apr / 6611.94.613.21.5
May14° / 7811.70.314.53.8
Jun18° / 12°7010.4015.25.6
Jul22° / 17°12112.4014.96.2
Aug24° / 18°14313.7013.86.2
Sep20° / 14°13713.9012.35.7
Oct14° / 11515.90.310.83.6
Nov / 12419.411.49.40.7
Dec-0° / -5°10221.622.68.80.0

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 16% of February, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51783
61783
71783
81882
91882
101882
111981
121981
132080
142080
152179
162278
172377
182377
192575
202674
212773
222773
232872
242971
252971
263169
273070
283070

Chance of precipitation in February

Any precipitationSnow

Rumoi gets around 55 mm of rain and snow over 14.2 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 52% and peaks near 54% on the wettest days, and about 17 days bring snow.

0%20%40%60%80%151015202528
Rain chance (%)Snow chance (%)
15166
25166
35166
45166
55166
65166
75166
85266
95266
105366
115366
125465
135465
145465
155464
165463
175463
185462
195460
205359
215358
225257
235257
245156
255155
265055
275054
284954

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February 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%151015202528
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

Wind in February

Winds average 12 km/h in February.

Across February, 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.

051015151015202528
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
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 36 min at the start of February to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over February. Sunrise moves from 6:59 AM to 6:22 AM, and sunset from 4:35 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:594:35
29.66:584:36
39.76:574:37
49.76:564:39
59.86:554:40
69.86:544:41
79.86:534:43
89.96:514:44
99.96:504:46
1010.06:494:47
1110.06:484:48
1210.16:464:50
1310.16:454:51
1410.16:444:52
1510.26:424:54
1610.26:414:55
1710.36:404:56
1810.36:384:58
1910.46:374:59
2010.46:355:00
2110.56:345:02
2210.56:325:03
2310.66:315:05
2410.66:295:06
2510.76:275:07
2610.76:265:09
2710.86:245:10
2810.86:225:11

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.82 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 5.5 kWh/m² in May across the year — February's 2.82 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.6Moderate
102.6Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.8Moderate
152.8Moderate
162.9Moderate
172.9Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.1Moderate
223.1Moderate
233.2Moderate
243.2Moderate
253.3Moderate
263.3Moderate
273.4Moderate
283.4Moderate
Planning a trip in February

Hazard calendar for Rumoi

In seasonPeak

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

Rumoi 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 February a good time to visit Rumoi?

Our two travel scores rate February 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

February is a weaker month for outdoor sightseeing in Rumoi.

What to pack for Rumoi in February

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

In February, Rumoi sees daytime highs around -2°C and nights near -8°C. Pack a warm layer, a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Rumoi in February

The nearest coast averages about 5°C in February — 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 21°C and coldest in February near 5°C.

It's comfortable for a long swim from Aug 3 to Sep 20 — about 1.6 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug21Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Rumoi in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rumoi peaks around August 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 15UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul7High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Rumoi in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Rumoi is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1317 µg/m³Dec 217 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar16Moderate
Apr17Moderate
May15Moderate
Jun10Good
Jul10Good
Aug8Good
Sep7Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Rumoi?

Rumoi sits at 43.9°N, 141.6°E, 35 m above sea level, in Japan. The nearest listed city is Fukagawa, 41 km away.

Topography around Rumoi

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

Within 3 km, the terrain around Rumoi has only modest variations in elevation — a maximum elevation change of 248 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 731 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,471 m.

The land around Rumoi is covered by trees (41%) and water (34%) within 3 km, trees (53%) and water (40%) within 16 km, and trees (51%) and water (35%) within 80 km.

3 km
248 m
16 km
731 m
80 km
1,471 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Fukagawa 41 km · Takikawa 47 km · Sunagawa 54 km · Asahikawa 61 km · Minamishibetsuchō 63 km · Ashibetsu 64 km · Bibai 70 km · Nayoro 80 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 Rumoi (43.9344°, 141.6428°, elevation 35 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).