Tomakomai (苫小牧市, Tomakomai-shi) is a city and port in Iburi Subprefecture, Hokkaido, Japan. It is the largest city in the Iburi Subprefecture, and the fourth largest city in Hokkaido. As of 29 February 2012, it had an estimated population of 174,216, with 83,836 households, and a population density of 310.27 persons per km2 (803.60 persons per sq. mi.). The total area is 561.49 km2 (216.79 sq mi).
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Tomakomai
苫小牧市 | |
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City | |
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![]() Flag ![]() Seal | |
![]() Location of Tomakomai in Hokkaido (Iburi Subprefecture) | |
![]() ![]() Tomakomai Location in Japan | |
Coordinates: 42°38′N 141°36′E | |
Country | Japan |
Region | Hokkaido |
Prefecture | Hokkaido (Iburi Subprefecture) |
First official recorded | 1799 AD |
City settled | 1 April 1948 |
Government | |
• Mayor | Hirofumi Iwakura |
Area | |
• Total | 561.49 km2 (216.79 sq mi) |
Population (29 February 2012) | |
• Total | 174,216 |
• Density | 310.27/km2 (803.6/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) |
Tree | Japanese Rowan |
The name of Tomakomai is derived from Ainu 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 to Shikotsu-Tōya National Park.
Tomakomai has a humid continental climate typical of Hokkaido.
Climate data for Tomakomai (1991−2020 normals, extremes 1942−present) | |||||||||||||
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Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 10.0 (50.0) |
9.3 (48.7) |
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) |
Average high °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) |
Average low °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) |
Average precipitation 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 |
Average relative humidity (%) | 70 | 70 | 71 | 74 | 79 | 86 | 88 | 86 | 80 | 74 | 71 | 70 | 77 |
Mean monthly sunshine 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] |
In 2014, Tomakomai hosted the World Broomball Championships.[5]
![]() | This section needs additional citations for verification. (April 2014) |
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