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Otsuchi
Sangan Island
Sangan Island
Orandajima
Orandajima
Gassan
Gassan
Iwate, Japan

Otsuchi

Otsuchi is a small town in Iwate, Japan, close to the sea. It has a population of about 10,719 (2021). The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.

Now10°C
Best timeAug–Oct
Population10,719
Local time05:15
39.37° N, 141.90° EElevation 5 mUTC+9 · Japan Standard Time
Postal codes028-1101, 028-1111 …
The year in Otsuchiweather score
JanFebMarAprMayJunJulAugSepOctNovDec62October
October: high / low17° / 13°
Rain this month144mm
Sea this month18°
Best timeAug–Oct

Best: Aug–Oct. Warmth, sunshine and dry days, month by month.

Otsuchi at a glance

Best time to visitAug–Oct

The months with the highest weather score

Warmest month24°C

Average high in August

Coolest month-2°C

Average low in February

Wettest monthAugust

195 mm of rain

Driest monthDecember

57 mm of rain

Warmest sea22°C

August

Monuments nearby2+

within 9.7 km

Weather in Otsuchi

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
10°C

Partly cloudy · wind 7 km/h · humidity 80%

Today hour by hour
Today23 Oct15°10°
Sat24 Oct18°13°3.9 mm
Sun25 Oct18°15°8.8 mm
Mon26 Oct15°13°
Tue27 Oct18°13°5.4 mm
Wed28 Oct13°9°0.5 mm
Thu29 Oct14°10°
Fri30 Oct16°13°11.7 mm
Sat31 Oct18°9°2.5 mm
Sun1 Nov10°6°3.5 mm

When to go to Otsuchi

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score363728304456576060624131
High4°4°6°10°15°18°21°24°21°17°12°7°
Low-2°-2°1°6°10°14°18°21°18°13°7°2°
Rain (mm)5958951251241481841952251449057
Wet days10811111315171914121111
Sea10°8°7°8°11°15°19°22°21°18°16°13°

What's on in Otsuchi

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Otsuchi

All monuments

More museums: Tsunami Memorial Hall · 栗橋ふるさと伝承館

Outdoors around Otsuchi

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
城山公園体育館Camp sites
0.8 km
桜木町保険福祉会館Camp sites
1.2 km
千年の森Viewpoints
4.2 km
赤羽根スキー場Ski area · 2 km of pistes · 3 lifts
30 km

Nature around Otsuchi

Nature in Japan

Wildlife in October

The birds and mammals of Japan seen most this month, compared with the rest of their year.

The sky over Otsuchi

Eclipses and meteor showers

Earthquakes around Otsuchi

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Strongest nearby since 1950

9.1Onagawa Chō 82 km →2011 · 126 km
8.0Miyako 113 km →1960 · 127 km
7.7Onagawa Chō 58 km ↘1978 · 131 km
7.4Fudai 100 km →2026 · 120 km

Tsunamis · Otsuchi

Tsunami archive

Towns and villages around Otsuchi

Each with its own page: weather, climate and the best time to visit.

Otsuchi from above

Postal codes

028-1101028-1111028-1112028-1114028-1115028-1116028-1117028-1122028-1131

Getting to Otsuchi

Iwate Hanamaki AirportHNA
66 km
Akita AirportAXT
147 km
Misawa Airport / Misawa Air BaseMSJ
155 km
大槌Railway station
1.1 km
吉里吉里Railway station
3.4 km
浪板海岸Railway station
3.6 km

Places near Otsuchi

Places with a climate like Otsuchi

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Otsuchi?
Based on 30-year climate normals, August, September and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Otsuchi.
What is the hottest month in Otsuchi?
August is the warmest month, with average highs of 24°C and lows of 21°C.
What is the coldest month in Otsuchi?
February is the coldest month, with average highs of 4°C and lows of -2°C.
What is the rainiest month in Otsuchi?
August is the wettest month with about 195 mm of precipitation on 19 wet days.
How warm is the sea near Otsuchi?
The sea is warmest in August at about 22°C and coolest in March at about 7°C.
What is the postal code of Otsuchi?
Otsuchi has 9 postal codes: 028-1101, 028-1111, 028-1112, 028-1114, 028-1115, 028-1116, 028-1117, 028-1122, 028-1131.