Rumoi, Japan
Hokkaido · Japan
Rumoi is a small city in Hokkaido, Japan with a population of 20,260. Elevation: 115 ft (35 m). Average temperature: 45°F (7°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
Discover Rumoi, Japan
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People
Climate
| Population | 20,260 |
| Population Density | 176 / sq mi |
| Elevation | 115 ft (35 m) |
| Coordinates | 43.9344°, 141.6428° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Hokkaido |
| Average Temperature | 45°F (7°C) |
| January Average | 23°F (-5°C) |
| July Average | 67°F (19°C) |
| Annual Precipitation | 48.2 inches (1,224 mm) |
| Annual Snowfall | 15.0 inches (38 cm) |
About Rumoi
Rumoi is a small city in Japan (Hokkaido) with a population of 20,260. The city sits at an elevation of 115 feet (35 meters) above sea level. The average annual temperature is 45°F (7°C). Temperatures range from 23°F in January to 67°F in July. Annual precipitation averages 48.2 inches. The timezone is Asia/Tokyo.
Climate in Rumoi
Rumoi has an average annual temperature of 0°C (32°F). The hottest month is Jan (0°C), the coldest is Jan (0°C). Average annual precipitation is 1095 mm.
Temperature
| Annual Average | 44.9°F |
| 17% below Japan avg | |
| January Average | 23°F (-5°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 115 ft (35 m) |
| Area | 115.0 sq mi (297.9 km²) |
| Population Density | 176/sq mi |
| Coordinates | 43.9344°N, 141.6428°E |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1947 | W. HOKKAIDO ISLAND | Earthquake | 2.0 m | - | 54 km |
| 1863 | NW. HOKKAIDO ISLAND | Earthquake | - | - | 75 km |
| 1834 | W. HOKKAIDO ISLAND | Earthquake | - | - | 73 km |
| 1792 | W. HOKKAIDO ISLAND | Earthquake | - | - | 97 km |
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Tokachidake (102 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 102 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 102 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 126 km |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 140 km |
| Yoteizan | Stratovolcano | 1,888 m (6,194 ft) | -1050 | 140 km |
| Niseko | Stratovolcano(es) | 1,308 m (4,291 ft) | -4900 | 142 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 165 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 168 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 4.3 in | Coldest |
| February | 23°F (-5°C) | 3.0 in | |
| March | 29°F (-2°C) | 2.5 in | |
| April | 41°F (5°C) | 2.2 in | Driest |
| May | 51°F (10°C) | 2.4 in | |
| June | 59°F (15°C) | 2.7 in | |
| July | 67°F (19°C) | 3.8 in | |
| August | 69°F (21°C) | 5.7 in | Warmest, Wettest |
| September | 61°F (16°C) | 5.6 in | |
| October | 50°F (10°C) | 5.2 in | |
| November | 39°F (4°C) | 5.5 in | |
| December | 29°F (-2°C) | 5.3 in |
Rumoi has a seasonal temperature swing of 46°F / from 23°F in January to 69°F in August. Total annual precipitation is 48.2 inches, with August being the wettest month (5.7") and April the driest (2.2").
Schools in Rumoi
1 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 東光小学校 | - | - | - | - |
Museums in Rumoi
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| 元陣屋 | ||||
| 千石蔵 | ||||
| 留萌市海のふるさと館 | ||||
| 花田家番屋 | ||||
| 鰊番屋 |
Libraries in Rumoi
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| 増毛町総合交流促進施設元陣屋図書室 | 0.0 | |||||
| 留萌図書館 | 0.0 |
Hotels in Rumoi
3 hotels within city radius - OpenStreetMap data
Restaurants in Rumoi
15 restaurants within city radius - OpenStreetMap data
Cafes in Rumoi
1 cafes within city radius - OpenStreetMap data
Veterinaries in Rumoi
1 veterinaries within city radius - OpenStreetMap data
Bus Stations in Rumoi
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Rumoi
4 gas stations within city radius - OpenStreetMap data
Banks in Rumoi
1 banks within city radius - OpenStreetMap data
Ski Resorts Near Rumoi
15 ski resorts within range.
| Resort | Slopes (km) | Lifts | Peak (m) | Price | Season | Night | Park |
|---|---|---|---|---|---|---|---|
| Katsurazawa Kokusetsu Ski Area | 0.0 | - | - | $0 | - | - | - |
| Ishikariheigen Ski Area | 0.0 | - | - | $0 | - | - | - |
| Bibai Kokusetsu Ski Area | 0.0 | - | - | $0 | - | - | - |
| Furano ski resort | 0.0 | - | - | $0 | - | - | - |
| Kamoidake Kokusai | 0.0 | - | - | $0 | - | - | - |
| Shintotsukawacho Sotchidake | 0.0 | - | - | $0 | - | - | - |
| Kamui Ski Links | 0.0 | - | - | $0 | - | - | - |
| Inosawa Sky Slopes | 0.0 | - | - | $0 | - | - | - |
| Santa present park | 0.0 | - | - | $0 | - | - | - |
| Hokuryu Choei Ski Area | 0.0 | - | - | $0 | - | - | - |
| Mashike Choei Shokanbetsudake Ski Area | 0.0 | - | - | $0 | - | - | - |
| Ashimoi Kanko Takaho Ski Area | 0.0 | - | - | $0 | - | - | - |
| Kokusetsu Horotachi Ski Area | 0.0 | - | - | $0 | - | - | - |
| Boyodai Ski Area | 0.0 | - | - | $0 | - | - | - |
| Haboro Chomin Skijo | 0.0 | - | - | $0 | - | - | - |
Airports Near Rumoi
6 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Fukagawa Gliderport | - | Small Airport |
| JGSDF Camp Asahikawa Airfield | - | Small Airport |
| Shinshinotsu Gliderport | - | Small Airport |
| Skyport Bibai | - | Small Airport |
| Takikawa Sky Park | - | Small Airport |
| UFO Park Airfield | - | Small Airport |
Churches & Religious Organizations in Rumoi
4 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| 創価学会 | |
| 塩見神社 | |
| 礼受厳島神社 | |
| 藤山八幡神社 |
Quick Facts
🇯🇵 About Japan
Public Holidays in Japan
16 public holidays this year
Frequently Asked Questions About Rumoi
What is the population of Rumoi?
Rumoi has a population of 20,260 residents and is located in Japan. The population density is 176 people per square mile, spread across 115.0 square miles.
What is the weather like in Rumoi?
Rumoi has a cool climate with an average annual temperature of 45°F (7°C). Winter temperatures average 23°F in January, while summers reach an average of 67°F in July. Annual rainfall totals 48.2 inches, with 15.0 inches of snow.
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