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Tomakomai 苫小牧市 | |
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 Flag  Seal | |
 Location of Tomakomai inHokkaido (Iburi Subprefecture) | |
  Tomakomai Location in Japan | |
| Coordinates:42°38′N141°36′E / 42.633°N 141.600°E /42.633; 141.600 | |
| Country | Japan |
| Region | Hokkaido |
| Prefecture | Hokkaido (Iburi Subprefecture) |
| First official recorded | 1799 AD |
| City settled | 1 April 1948 |
| Government | |
| • Mayor | Suguru Kanazawa |
| Area | |
• Total | 561.57 km2 (216.82 sq mi) |
| Population (July 31, 2023) | |
• Total | 167,372 |
| • Density | 298.04/km2 (771.93/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 4-5-6 Asahimachi, Tomakomai-shi, Hokkaido 053-8722 |
| Climate | Dfb |
| Website | www |
| Symbols | |
| Bird | Swan |
| Flower | Tree flower: Hasukappu(Lonicera caerulea var. emphyllocalyx) Grass flower: Hanashōbu(Iris ensata var. ensata) |
| Mascot | Toma Chop |
| Tree | Japanese Rowan |
Tomakomai (苫小牧市,Tomakomai-shi) is acity andport inIburi Subprefecture,Hokkaido, Japan. It is the largest city in the Iburi Subprefecture, and the fourth largest city in Hokkaido. As of 31 July 2023, it had an estimatedpopulation of 167,372, with 83,836households, and apopulation density of 298 persons per km2 (770 persons per mi2). The total area is 561.57 km2 (216.82 sq mi).
The city is known for its high catch ofArctic surf clams.
The name of Tomakomai is derived fromAinu words "to" and "makomai", meaning "Marsh" and "River which goes into the depths of the mountain", respectively.[1][2]
Mount Tarumae is located in the northwest of Tomakomai and belongs toShikotsu-Tōya National Park.
Tomakomai has ahumid continental climate typical of Hokkaido.
| Climate data for Tomakomai (1991−2020 normals, extremes 1942−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 10.0 (50.0) | 12.6 (54.7) | 15.5 (59.9) | 21.8 (71.2) | 27.3 (81.1) | 30.6 (87.1) | 33.3 (91.9) | 35.5 (95.9) | 29.5 (85.1) | 24.4 (75.9) | 19.1 (66.4) | 14.8 (58.6) | 35.5 (95.9) |
| Mean daily maximum °C (°F) | 0.5 (32.9) | 0.9 (33.6) | 4.4 (39.9) | 9.6 (49.3) | 14.1 (57.4) | 17.3 (63.1) | 21.0 (69.8) | 23.4 (74.1) | 21.7 (71.1) | 16.2 (61.2) | 9.2 (48.6) | 2.8 (37.0) | 11.8 (53.2) |
| Daily mean °C (°F) | −3.6 (25.5) | −3.2 (26.2) | 0.5 (32.9) | 5.3 (41.5) | 10.0 (50.0) | 14.0 (57.2) | 18.2 (64.8) | 20.4 (68.7) | 17.8 (64.0) | 11.5 (52.7) | 4.9 (40.8) | −1.2 (29.8) | 7.9 (46.2) |
| Mean daily minimum °C (°F) | −8.1 (17.4) | −7.9 (17.8) | −3.7 (25.3) | 1.3 (34.3) | 6.6 (43.9) | 11.5 (52.7) | 16.1 (61.0) | 18.0 (64.4) | 13.8 (56.8) | 6.4 (43.5) | 0.2 (32.4) | −5.4 (22.3) | 4.1 (39.3) |
| Record low °C (°F) | −21.3 (−6.3) | −20.9 (−5.6) | −19.8 (−3.6) | −9.8 (14.4) | −4.2 (24.4) | 1.8 (35.2) | 6.5 (43.7) | 9.2 (48.6) | 2.4 (36.3) | −5.1 (22.8) | −12.6 (9.3) | −20.4 (−4.7) | −21.3 (−6.3) |
| Averageprecipitation mm (inches) | 38.7 (1.52) | 37.5 (1.48) | 53.5 (2.11) | 75.7 (2.98) | 130.8 (5.15) | 111.6 (4.39) | 163.5 (6.44) | 197.5 (7.78) | 174.9 (6.89) | 113.2 (4.46) | 85.7 (3.37) | 56.6 (2.23) | 1,239.2 (48.79) |
| Average snowfall cm (inches) | 42 (17) | 42 (17) | 26 (10) | 2 (0.8) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 4 (1.6) | 29 (11) | 145 (57) |
| Average rainy days | 7.3 | 7.6 | 8.9 | 8.9 | 9.9 | 8.7 | 11.1 | 11.8 | 10.4 | 9.7 | 9.3 | 8.1 | 111.7 |
| Average snowy days | 10.6 | 10.9 | 7.4 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 6.6 | 37.1 |
| Averagerelative humidity (%) | 70 | 70 | 71 | 74 | 79 | 86 | 88 | 86 | 80 | 74 | 71 | 70 | 77 |
| Mean monthlysunshine hours | 142.0 | 144.7 | 165.6 | 173.5 | 171.9 | 119.7 | 108.1 | 122.2 | 153.1 | 156.0 | 127.1 | 127.6 | 1,711.5 |
| Source 1:JMA[3] | |||||||||||||
| Source 2:JMA[4] | |||||||||||||
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In 2014, Tomakomai hosted theWorld Broomball Championships.[5]
Tomakomai is home to theAsia League Ice Hockey teamRed Eagles Hokkaido.[6]
Hachioji, Tokyo, Japan (since 1973)[7]
Napier,Hawke's Bay Region,New Zealand (since 1980)Nikko, Tochigi, Japan (since 1982)
Qinhuangdao,Hebei,China (since 1998) | This sectionneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources in this section. Unsourced material may be challenged and removed.(April 2014) (Learn how and when to remove this message) |
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