Ōshū weather in February

In February, Ōshū sees average daytime highs of 2°C and overnight lows near -7°C, with 53 mm of precipitation across 10.1 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 12th-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 14% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of February to 11 hours by month's end. Set against the rest of the year, February is Ōshū's 6th-clearest and 2nd-windiest month. For the whole year in context, see Ōshū's year-round climate.

Daytime high
11th warmest
Overnight low
-7°
2nd coldest
Precipitation
53 mm
10.1 wet days
Daylight
10 h 30 min
6:36 AM – 5:04 PM
Cloud cover
67%
6th clearest
Wind
10 km/h
2nd windiest
Solar energy
3.28 kWh/m²
Travel score
0.0
out of 10

Ōshū is city in Iwate Prefecture, Japan.

Density
114/km²
people per km²
Founded
2006

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

A typical February day in Ōshū reaches about 2°C in the afternoon and slips back to -7°C overnight — a 9°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, February runs about 1°C warmer than January and about 4°C cooler than March.

-15°-10°-5°10°151015202528
Avg high (°C)Avg low (°C)
11-7
21-7
31-7
41-7
51-7
61-7
71-7
81-7
92-7
102-7
112-7
122-7
132-7
142-7
152-7
162-6
172-6
182-6
192-6
203-6
213-6
223-6
233-6
243-6
253-5
263-5
274-5
284-5

How February really feels in Ōshū

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
25 feel bitter (≤ -10°C)

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

Ōshū 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 / -7°5810.7129.60.0
Feb / -7°5310.19.710.50.0
Mar / -3°9213.28.211.70.6
Apr13° / 9813.42.2133.3
May18° / 11012.5014.15.4
Jun21° / 14°12312.9014.75.7
Jul25° / 18°16616.5014.55.5
Aug26° / 19°15315.2013.55.6
Sep22° / 15°15113.5012.35.8
Oct17° / 12011.20115.0
Nov10° / 7311.72.29.92.2
Dec / -3°6812.48.89.30.1

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 25% of February, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14159
24159
34060
44060
54060
63961
73961
83961
93961
103961
113961
123961
133961
143862
153961
163961
173961
184060
194060
204060
213961
224060
233961
243961
253862
263862
273862
283664

Chance of precipitation in February

Any precipitationSnow

Ōshū gets around 53 mm of rain and snow over 10.1 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 37% and peaks near 40% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
13437
23538
33538
43538
53638
63638
73638
83638
93638
103737
113737
123737
133737
143837
153836
163836
173835
183734
193734
203733
213733
223833
233832
243832
253932
263932
273932
284032

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 10 km/h in February.

Across February, 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.

051015151015202528
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2610calm
2711calm
2811calm

Sunrise & sunset in February

DaylightNight

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

Days grow by about 60 minutes over February. Sunrise moves from 6:50 AM to 6:19 AM, and sunset from 4:48 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.06:504:48
210.06:494:49
310.06:484:50
410.16:474:52
510.16:464:53
610.16:454:54
710.26:444:55
810.26:434:56
910.36:424:57
1010.36:414:58
1110.36:405:00
1210.46:395:01
1310.46:385:02
1410.46:375:03
1510.56:365:04
1610.56:345:05
1710.66:335:06
1810.66:325:08
1910.66:315:09
2010.76:305:10
2110.76:285:11
2210.86:275:12
2310.86:265:13
2410.86:245:14
2510.96:235:15
2610.96:225:16
2711.06:205:18
2811.06:195:19

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 1.98 kWh/m² to a high of 5.24 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
22.9Moderate
32.9Moderate
42.9Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.4Moderate
193.4Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
Planning a trip in February

Hazard calendar for Ōshū

In seasonPeak

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

Ōshū 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 Ōshū?

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 Ōshū.

What to pack for Ōshū in February

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

In February, Ōshū sees daytime highs around 2°C and nights near -7°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 Ōshū in February

The nearest coast averages about 8°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 49 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 21 to Oct 3 — about 2.5 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb8Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun17Cool
Jul20Cool
Aug22Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Ōshū in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ōshū peaks around August 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ōshū 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 Ōshū is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Ōshū?

Ōshū sits at 39.1°N, 141.2°E, 36 m above sea level, in Japan. The nearest listed city is Mizusawa, 3.0 km away.

Topography around Ōshū

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

Within 3 km, the terrain around Ōshū has only modest variations in elevation — a maximum elevation change of 104 m around an average of 45 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 767 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,007 m.

The land around Ōshū is covered by artificial surfaces (38%), cropland (32%) and trees (23%) within 3 km, trees (59%) and cropland (30%) within 16 km, and trees (71%) within 80 km.

3 km
104 m
16 km
767 m
80 km
2,007 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Mizusawa 3.0 km · Kanegasaki 8.0 km · Kitakami 17 km · Ichinoseki 25 km · Hanamaki 27 km · Tōno 37 km · Rikuzen-Takata 44 km · Kesennuma 44 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 Ōshū (39.1393°, 141.1685°, elevation 36 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).