Tomakomai
苫小牧市 | |
|---|---|
 | |
 Flag  Seal | |
 Location of Tomakomai in Hokkaido (Iburi Subprefecture) | |
  Tomakomai Location in Japan | |
| Coordinates: 42°38′N 141°36′E / 42.633°N 141.600°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 | 561.57 km2 (216.82 sq mi) |
| Population (July 31, 2023) | |
| • Total | 167,372 |
| • Density | 300/km2 (770/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 |
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 31 July 2023, it had an estimated population of 167,372, with 83,836 households, and a population 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 of Arctic surf clams.
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) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| 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] | |||||||||||||
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In 2014, Tomakomai hosted the World Broomball Championships.[5]
Hachioji, Tokyo, Japan (since 1973)[6]
Napier, Hawke's Bay Region, New Zealand (since 1980) Nikko, Tochigi, Japan (since 1982)
Qinhuangdao, Hebei, China (since 1998)
