Tainai
胎内市
Tainai Ski Resort
Tainai Ski Resort
Flag of Tainai
Official seal of Tainai
Location of Tainai in Niigata Prefecture
Location of Tainai in Niigata Prefecture
Tainai is located in Japan
Tainai
Tainai
 
Coordinates: 38°3′34.9″N 139°24′37.2″E / 38.059694°N 139.410333°E / 38.059694; 139.410333
CountryJapan
RegionChūbu (Kōshin'etsu) (Hokuriku)
PrefectureNiigata
Area
  Total264.89 km2 (102.27 sq mi)
Population
 (December 31, 2020)
  Total28,495
  Density110/km2 (280/sq mi)
Time zoneUTC+9 (Japan Standard Time)
Phone number0254-43-6111
Address2-10 Shinwa, Tainai-shi, Niigata-ken 959-2693
ClimateCfa
WebsiteOfficial website
Symbols
BirdCrested kingfisher
FlowerTulip
TreeCornus kousa; Pine
Tulip fields in Tainai

Tainai (胎内市, Tainai-shi) is a city located in Niigata Prefecture, Japan. As of 31 December 2020, the city had an estimated population of 28,495 in 10,821 households,[1] and a population density of 110 persons per km2 (288/sq mi). The total area of the city was 264.89 square kilometres (102.27 sq mi).

Geography

Tainai is located in northern Niigata Prefecture, bordered by Yamagata Prefecture to the east and the Sea of Japan to the west. The city area has an elongated shape from east to west along the Tainai River basin. There are number of dams in Tainai, including the Tainaigawa Dam and Tainai Dam.

Surrounding municipalities

Climate

Tainai has a Humid climate (Köppen Cfa) characterized by warm, wet summers and cold winters with heavy snowfall. The average annual temperature in Tainai is 13.9 °C (57.0 °F). The average annual rainfall is 2,331.2 mm (91.78 in) with September as the wettest month. The temperatures are highest on average in August, at around 26.5 °C (79.7 °F), and lowest in January, at around 2.4 °C (36.3 °F).[2]

Climate data for Nakajō, Tainai (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 15.1
(59.2)
22.1
(71.8)
24.2
(75.6)
31.7
(89.1)
33.2
(91.8)
36.3
(97.3)
39.2
(102.6)
40.8
(105.4)
40.0
(104.0)
33.7
(92.7)
27.3
(81.1)
20.8
(69.4)
40.8
(105.4)
Mean daily maximum °C (°F) 5.1
(41.2)
5.9
(42.6)
10.1
(50.2)
16.6
(61.9)
22.2
(72.0)
25.7
(78.3)
29.3
(84.7)
31.3
(88.3)
27.2
(81.0)
21.1
(70.0)
14.6
(58.3)
8.4
(47.1)
18.1
(64.6)
Daily mean °C (°F) 2.4
(36.3)
2.6
(36.7)
5.8
(42.4)
11.4
(52.5)
17.0
(62.6)
21.0
(69.8)
24.9
(76.8)
26.5
(79.7)
22.4
(72.3)
16.4
(61.5)
10.4
(50.7)
5.2
(41.4)
13.8
(56.9)
Mean daily minimum °C (°F) −0.2
(31.6)
−0.5
(31.1)
1.8
(35.2)
6.5
(43.7)
12.2
(54.0)
17.0
(62.6)
21.5
(70.7)
22.7
(72.9)
18.6
(65.5)
12.4
(54.3)
6.5
(43.7)
2.1
(35.8)
10.0
(50.1)
Record low °C (°F) −9.7
(14.5)
−11.2
(11.8)
−9.7
(14.5)
−1.7
(28.9)
4.0
(39.2)
8.1
(46.6)
12.9
(55.2)
13.3
(55.9)
9.0
(48.2)
1.8
(35.2)
−1.3
(29.7)
−10.5
(13.1)
−11.2
(11.8)
Average precipitation mm (inches) 266.6
(10.50)
172.5
(6.79)
143.8
(5.66)
120.3
(4.74)
126.8
(4.99)
143.8
(5.66)
241.4
(9.50)
189.0
(7.44)
172.7
(6.80)
190.6
(7.50)
255.9
(10.07)
304.5
(11.99)
2,331.2
(91.78)
Average precipitation days (≥ 1.0 mm) 26.4 21.5 18.5 13.0 12.1 11.1 13.8 11.3 13.5 15.6 20.3 25.0 202.1
Mean monthly sunshine hours 30.7 52.0 113.2 168.8 200.3 177.9 160.0 201.0 150.4 128.4 82.0 41.8 1,516.9
Source: Japan Meteorological Agency[3][2]

Demographics

Per Japanese census data,[4] the population of Tainai has declined over the past 50 years.

Historical population
YearPop.±%
1960 36,238    
1970 35,651−1.6%
1980 35,605−0.1%
1990 35,517−0.2%
2000 34,278−3.5%
2010 31,424−8.3%
2020 28,509−9.3%

History

Kusozu Oil Pond

The area of present-day Tainai was part of ancient Echigo Province. Following the Meiji restoration, the area was organized as part of Kitakanbara District, Niigata. The town of Nakajō, and the village of Kurokawa were established with the establishment of the modern municipalities system on April 1, 1889. The city of Tainai was established on September 1, 2005, from the merger of these municipalities.

Government

Tainai City Hall

Tainai has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 14 members. Tainai contributes one member to the Niigata Prefectural Assembly. In terms of national politics, the city is part of Niigata 3rd district of the lower house of the Diet of Japan.

Economy

The economy of Tainai is primarily agricultural, mainly with rice cultivation, vegetables, flower cultivation, livestock farming, and fruit tree cultivation. Hydroelectric power generation also provides significant income to the local economy.

Education

Tainai has six public elementary schools and four public middle schools operated by the city government. The city has one public high school operated by the Niigata Prefectural Board of Education. There is also one private high school.

Transportation

Railway

JR East - Uetsu Main Line

Highway

Sister city relations

Local attractions

Oppo-ji Temple
  • Tossaka Castle ruins, a National Historic Site
  • Jōnoyama Kofun, a National Historic Site
  • Oppo-ji, a Buddhist temple whose 3-story pagoda is a National Important Cultural Property

References

  1. Tainai city official statistics(in Japanese)
  2. 1 2 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved March 24, 2022.
  3. 観測史上1~10位の値(年間を通じての値). JMA. Retrieved March 24, 2022.
  4. Tainai population statistics


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