Tomamae, Japan

Hokkaido · Japan

Tomamae is a small town in Hokkaido, Japan with a population of 2,987. 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

2,987 Population 17/sq mi density
115 ft Elevation 35 meters
45°F Avg Temperature 7°C
47.5 in Annual Rain
Asia / Tokyo Timezone

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About Tomamae

Tomamae

Tomamae is a town located in Rumoi Subprefecture, Hokkaido, Japan. As of 31 December 2024, the town had an estimated population of 2,659 in 1,428 households, and a population density of 5.8 people per km2. The total area of the town is 454.60 km2 (175.52 sq mi).

People

Population2,987
Density17/mi²

Climate

Avg Temp45°F (7°C)
Rain47.5 in/yr
Elevation115 ft (35 m)
Population2,987
Population Density17 / sq mi
Elevation115 ft (35 m)
Coordinates44.3053°, 141.6544°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceHokkaido
Average Temperature45°F (7°C)
January Average23°F (-5°C)
July Average67°F (19°C)
Annual Precipitation47.5 inches (1,207 mm)
Annual Snowfall14.1 inches (36 cm)

About Tomamae

Tomamae is a small town in Japan (Hokkaido) with a population of 2,987. 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 47.5 inches. The timezone is Asia/Tokyo.

Climate in Tomamae

Tomamae 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 1239 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0°C / 32°F - / - 108.4
Feb 0°C / 32°F - / - 84.6
Mar 0°C / 32°F - / - 60.2
Apr 0°C / 32°F - / - 48.7
May 0°C / 32°F - / - 59.8
Jun 0°C / 32°F - / - 57.0
Jul 0°C / 32°F - / - 87.6
Aug 0°C / 32°F - / - 140.7
Sep 0°C / 32°F - / - 130.2
Oct 0°C / 32°F - / - 168.2
Nov 0°C / 32°F - / - 164.2
Dec 0°C / 32°F - / - 128.9
Tomamae has a cool climate with an average annual temperature of 45°F (7°C). Winters average 23°F in January while summers reach 67°F in July. Annual precipitation totals 47.5 inches (wetter than the 38-inch national average). The area receives 14.1 inches of snow annually. The city sits at an elevation of 115 feet.

Temperature

23°F Jan (-5°C) 67°F Jul (19°C)
Annual Average45.0°F
17% below Japan avg
January Average23°F (-5°C)
July Average67°F (19°C)

Geography

Elevation115 ft (35 m)
Area175.5 sq mi (454.6 km²)
Population Density17/sq mi
Coordinates44.3053°N, 141.6544°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 47.5"
25% above Japan avg
Snowfall 14.1"
Wettest Month (Sep) 5.67"
Driest Month (Apr) 2.24"

Air Quality

Earthquake History

248 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.9 on Feb 7, 2025.

Jan 11, 2016 74 km NW of Rumoi, Japan M6.2 49 km
Oct 21, 2011 16 km NE of Asahikawa, Japan M6.1 80 km
Jan 12, 2021 84 km NW of Yoichi, Japan M5.9 149 km
Feb 19, 2003 26 km NNE of Rumoi, Japan M5.9 21 km
May 23, 1995 Hokkaido, Japan region M5.6 73 km
Jan 22, 2013 77 km SSW of Rishiri Town, Japan M5.4 59 km
Aug 15, 1990 43 km ESE of Kamikawa, Japan M5.3 145 km
Jun 20, 2021 29 km NE of Shimo-furano, Japan M5.3 113 km
Feb 21, 1990 27 km SSW of Nayoro, Japan M5.1 53 km
May 21, 2013 83 km ESE of Makubetsu, Japan M5.1 131 km
Nov 10, 1990 23 km W of Nayoro, Japan M5.1 41 km
Aug 10, 2022 51 km SSE of Makubetsu, Japan M5.1 79 km
Jul 5, 2024 10 km WNW of Nayoro, Japan M5.1 54 km
Jul 20, 1993 33 km W of Nayoro, Japan M5.0 31 km
May 10, 2005 35 km E of Kamikawa, Japan M5.0 137 km
Oct 4, 1994 29 km E of Makubetsu, Japan M5.0 131 km
Feb 7, 2012 37 km ENE of Makubetsu, Japan M5.0 146 km
Jul 31, 2021 16 km NNE of T?betsu, Japan M5.0 106 km
May 18, 1990 4 km ENE of Rumoi, Japan M4.9 40 km
Feb 7, 2025 25 km NNW of Shintoku, Japan M4.9 141 km
Source: USGS (M2.5+, 1990-2025)

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 - 77 km
1863 NW. HOKKAIDO ISLAND Earthquake - - 35 km
1834 W. HOKKAIDO ISLAND Earthquake - - 114 km
1792 W. HOKKAIDO ISLAND Earthquake - - 123 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Taisetsuzan (120 km).

Name Type Elevation Last Eruption Distance
Taisetsuzan Stratovolcano(es) 2,291 m (7,516 ft) 1739 120 km
Tokachidake Stratovolcano(es) 2,077 m (6,814 ft) 2004 129 km
Maruyama Stratovolcano(es) 2,013 m (6,604 ft) 1898 148 km
Yoteizan Stratovolcano 1,888 m (6,194 ft) -1050 178 km
Niseko Stratovolcano(es) 1,308 m (4,291 ft) -4900 178 km
Shikotsu Caldera 1,320 m (4,331 ft) 1979 181 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 3.9 in Coldest
February 23°F (-5°C) 2.8 in
March 30°F (-1°C) 2.4 in
April 41°F (5°C) 2.2 in Driest
May 50°F (10°C) 2.5 in
June 58°F (15°C) 2.7 in
July 67°F (19°C) 3.8 in
August 69°F (21°C) 5.5 in Warmest
September 61°F (16°C) 5.7 in Wettest
October 51°F (10°C) 5.4 in
November 39°F (4°C) 5.6 in
December 29°F (-2°C) 5.0 in

Tomamae has a seasonal temperature swing of 47°F / from 23°F in January to 69°F in August. Total annual precipitation is 47.5 inches, with September being the wettest month (5.7") and April the driest (2.2").

View full weather details →

Schools in Tomamae

5 public schools (OpenStreetMap data).

School Level Enrollment Teachers Student/Teacher
苫前中学校 - - - -
苫前小学校 - - - -
北海道苫前商業高等学校 - - - -
町立古丹別小学校 - - - -
町立古丹別中学校 - - - -
View full schools details →

Radio Stations near Tomamae

0 stations within ~55 km.

Station Genre Quality

Museums in Tomamae

NameTypeAddressPhoneAnnual Revenue
羽幌町郷土資料館
花田家番屋
苫前町郷土資料館
鰊番屋

Gas Stations in Tomamae

1 gas stations within city radius - OpenStreetMap data

ENEOS

Ski Resorts Near Tomamae

13 ski resorts within range.

Resort Slopes (km) Lifts Peak (m) Price Season Night Park
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 - - -
Furen Ski Area 0.0 - - $0 - - -
Haboro Chomin Skijo 0.0 - - $0 - - -
Otoineppu Otoifuji 0.0 - - $0 - - -
Teshio Chomin Ski Area 0.0 - - $0 - - -
Nakatonbestucho Eikotobuki 0.0 - - $0 - - -

Airports Near Tomamae

2 airports within the area.

AirportIATAType
Fukagawa Gliderport-Small Airport
JGSDF Camp Asahikawa Airfield-Small Airport

Post Offices in Tomamae

1 post offices.

Post OfficeAddress
力昼郵便局

Churches & Religious Organizations in Tomamae

8 religious organizations (IRS tax-exempt data).

NameAddress
九重神社
力昼稲荷神社
古丹別神社
小川神社
岩見神社
恵嶺寺
苫前神社
長泉寺

Quick Facts

Timezone
Asia/Tokyo

🇯🇵 About Japan

Capital Tokyo
Population 126,529,100
Area 377,835 km²
GDP (USD) $4,213,167,237,906
GDP per capita $33,836
HDI 0.925
Life expectancy 84.0 years
Internet users 87.0%
Urban population 92.1%
Currency JPY (Yen)
Languages Japanese
Calling code +81
TLD .jp
Driving side left

Public Holidays in Japan

16 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day 元日
Jan 12 Coming of Age Day 成人の日
Feb 11 Foundation Day 建国記念の日
Feb 23 The Emperor's Birthday 天皇誕生日
Mar 20 Vernal Equinox Day 春分の日
Apr 29 Shōwa Day 昭和の日
May 4 Greenery Day みどりの日
May 5 Children's Day こどもの日
May 6 Constitution Memorial Day 憲法記念日
Jul 20 Marine Day 海の日
Aug 11 Mountain Day 山の日
Sep 21 Respect for the Aged Day 敬老の日
Sep 23 Autumnal Equinox Day 秋分の日
Oct 12 Sports Day スポーツの日
Nov 3 Culture Day 文化の日
Nov 23 Labour Thanksgiving Day 勤労感謝の日

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Frequently Asked Questions About Tomamae

What is the population of Tomamae?

Tomamae has a population of 2,987 residents and is located in Japan. The population density is 17 people per square mile, spread across 175.5 square miles.

What is the weather like in Tomamae?

Tomamae 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 47.5 inches, with 14.1 inches of snow.

Nearby Cities

Haboro 7,338 pop · 4.3 mi Shosanbetsu 1,125 pop · 16.8 mi Obirachō 2,996 pop · 19.9 mi Rumoi 20,260 pop · 25.6 mi Kanaura 2,543 pop · 28.6 mi Horokanai 1,386 pop · 31.9 mi Mashike 4,634 pop · 32.0 mi Bifuka 4,112 pop · 36.0 mi Minamishibetsuchō 19,794 pop · 37.1 mi Numata 2,975 pop · 37.5 mi Asahimachi 3,012 pop · 37.6 mi Hokuryū 1,756 pop · 38.3 mi Nayoro 27,062 pop · 39.8 mi Teshio 3,241 pop · 39.9 mi
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