Minamiuonuma weather in February

In February, Minamiuonuma sees average daytime highs of 2°C and overnight lows near -5°C, with 177 mm of precipitation across 21.3 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 1°C in the first days to 3°C by the end. The sky is clear or mostly clear about 10% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of February to 11 h 06 min by month's end. Set against the rest of the year, February is Minamiuonuma's 9th-clearest and 2nd-windiest month. For the whole year in context, see Minamiuonuma's year-round climate.

Daytime high
11th warmest
Overnight low
-5°
2nd coldest
Precipitation
177 mm
21.3 wet days
Daylight
10 h 36 min
6:42 AM – 5:17 PM
Cloud cover
75%
9th clearest
Wind
7 km/h
2nd windiest
Solar energy
3.28 kWh/m²
Travel score
0.0
out of 10

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

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

A typical February day in Minamiuonuma reaches about 2°C in the afternoon and slips back to -5°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 6°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

-10°-5°10°151015202528
Avg high (°C)Avg low (°C)
11-6
21-6
31-6
41-6
51-6
61-6
71-6
81-6
91-6
101-6
111-5
121-5
131-5
141-5
152-5
162-5
172-5
182-5
192-5
202-5
212-5
222-5
232-5
243-5
253-5
263-4
273-4
283-4

How February really feels in Minamiuonuma

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
wind chill below the day's low

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

Minamiuonuma weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°22925.425.39.70.0
Feb / -5°17721.320.310.60.0
Mar / -3°17621.217.311.70.3
Apr12° / 13916.6512.92.7
May19° / 16115.90.3145.1
Jun22° / 14°20118.4014.55.0
Jul26° / 18°29222.5014.34.7
Aug27° / 19°21720.2013.45.0
Sep23° / 15°21618.2012.35.2
Oct17° / 20117.50.3114.3
Nov10° / 16818.76.4101.9
Dec / -4°21023.319.49.50.1

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 11% of February, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61981
71981
81981
91981
102080
112080
122080
132080
142179
152278
162278
172278
182278
192278
202377
212377
222476
232476
242476
252476
262476
272476
282476

Chance of precipitation in February

Any precipitationSnow

Minamiuonuma gets around 177 mm of rain and snow over 21.3 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 77% and peaks near 82% on the wettest days, and about 20 days bring snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202528
Rain chance (%)Snow chance (%)
18281
28280
38280
48180
58179
68179
78078
88077
98077
107976
117976
127875
137875
147774
157774
167673
177572
187572
197471
207470
217369
227369
237368
247267
257267
267266
277265
287265

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 7 km/h in February.

Across February, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 06 min at the start of February to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over February. Sunrise moves from 6:54 AM to 6:26 AM, and sunset from 5:02 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.16:545:02
210.26:545:03
310.26:535:04
410.26:525:05
510.26:515:06
610.36:505:07
710.36:495:08
810.36:495:09
910.46:485:10
1010.46:475:11
1110.46:465:12
1210.56:455:13
1310.56:445:15
1410.56:435:16
1510.66:425:17
1610.66:405:18
1710.76:395:19
1810.76:385:20
1910.76:375:21
2010.86:365:22
2110.86:355:23
2210.86:335:24
2310.96:325:25
2410.96:315:26
2511.06:305:27
2611.06:285:28
2711.06:275:29
2811.16:265:30

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.28 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 5.62 kWh/m² in May across the year — February's 3.28 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.9Moderate
42.9Moderate
52.9Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.2Moderate
133.2Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.5Moderate
213.5Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
Planning a trip in February

Hazard calendar for Minamiuonuma

In seasonPeak

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

Minamiuonuma 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 Minamiuonuma?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

February is a weaker month for outdoor sightseeing in Minamiuonuma.

What to pack for Minamiuonuma in February

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

In February, Minamiuonuma sees daytime highs around 2°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. About 21 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Minamiuonuma in February

The nearest coast averages about 11°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 21 to Oct 31 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Minamiuonuma in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Minamiuonuma peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 12UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Minamiuonuma 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 Minamiuonuma is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Minamiuonuma?

Minamiuonuma sits at 37.1°N, 138.9°E, 198 m above sea level, in Japan. The nearest listed city is Muikamachi, 2.0 km away.

Topography around Minamiuonuma

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

Within 3 km, the terrain around Minamiuonuma has significant variations in elevation — a maximum elevation change of 455 m around an average of 255 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,870 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,551 m.

The land around Minamiuonuma is covered by trees (52%) and cropland (26%) within 3 km, trees (76%) within 16 km, and trees (74%) within 80 km.

3 km
455 m
16 km
1,870 m
80 km
2,551 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Muikamachi 2.0 km · Shiozawa 5.0 km · Tōkamachi 11 km · Uonuma 20 km · Ojiya 25 km · Nagaoka 41 km · Kashiwazaki 43 km · Minakami 45 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 Minamiuonuma (37.0826°, 138.8741°, elevation 198 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).