Tainai

Tainai (胎内市, Tainai-shi) is a city located in Niigata Prefecture, Japan. As of 1 July 2019, the city had an estimated population of 28,728 in 10,784 households,[1] and a population density of 108 persons per km² (288/sq mi). The total area of the city was 264.89 square kilometres (102.27 sq mi).

Tainai

胎内市
City
Tainai City Hall
Flag
Seal
Location of Tainai in Niigata Prefecture
Tainai
 
Coordinates: 38°3′34.9″N 139°24′37.2″E
CountryJapan
RegionChūbu (Kōshin'etsu) (Hokuriku)
PrefectureNiigata
Area
 • Total264.89 km2 (102.27 sq mi)
Population
 (July 1, 2019)
 • Total28,728
 • Density110/km2 (280/sq mi)
Time zoneUTC+9 (Japan Standard Time)
Symbols 
• TreeCornus kousa; Pine
• FlowerTulip
• BirdCrested kingfisher
Phone number0254-43-6111
Address2-10 Shinwa, Tainai-shi, Niigata-ken 959-2693
WebsiteOfficial website

Geography

Tainai is located in northern Niigata Prefecture, bordered by Yamagata Prefecture to the east and the Sea of Japan to the west. The Tainai River flows through the city.

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 12.8 °C (55°F). The average annual rainfall is 2014 mm (79.3 in) with September as the wettest month. The temperatures are highest on average in August, at around 26.1 °C (79°F), and lowest in January, at around 1.0 °C (33.8°F).[2]

Climate data for Nakajō, Niigata (1981-2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) 4.8
(40.6)		 5.3
(41.5)		 9.3
(48.7)		 16.5
(61.7)		 21.5
(70.7)		 25.1
(77.2)		 28.6
(83.5)		 31.0
(87.8)		 26.5
(79.7)		 20.5
(68.9)		 14.1
(57.4)		 8.4
(47.1)		 17.6
(63.7)
Daily mean °C (°F) 2.1
(35.8)		 2.1
(35.8)		 5.1
(41.2)		 11.3
(52.3)		 16.4
(61.5)		 20.5
(68.9)		 24.3
(75.7)		 26.2
(79.2)		 21.8
(71.2)		 15.8
(60.4)		 10.0
(50.0)		 5.1
(41.2)		 13.4
(56.1)
Average low °C (°F) −0.6
(30.9)		 −0.8
(30.6)		 1.3
(34.3)		 6.3
(43.3)		 11.7
(53.1)		 16.5
(61.7)		 20.7
(69.3)		 22.3
(72.1)		 18.0
(64.4)		 11.7
(53.1)		 6.1
(43.0)		 2.1
(35.8)		 9.6
(49.3)
Average precipitation mm (inches) 255.2
(10.05)		 166.1
(6.54)		 134.0
(5.28)		 114.9
(4.52)		 131.5
(5.18)		 148.7
(5.85)		 212.4
(8.36)		 164.0
(6.46)		 172.0
(6.77)		 199.4
(7.85)		 260.7
(10.26)		 273.6
(10.77)		 2,232.5
(87.89)
Mean monthly sunshine hours 33.7 52.7 104.1 164.1 188.2 167.4 159.9 202.0 139.7 125.8 70.8 41.1 1,449.5
Source: Japan Meteorological Agency

Demographics

Per Japanese census data,[3] the population of Tainai has declined steadily over the past 40 years.

Census Year Population
1970 35,651
1980 35,605
1990 35,517
2000 34,278
2010 31,424

History

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 has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 14 members.

Economy

The economy of Tainai is primarily agricultural. 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. There are two public high schools operated by the Niigata Prefectural Board of Education.

Transportation

Railway

JR East - Uetsu Main Line

Highway

Sister city relations

Local attractions
  • Tossaka Castle, 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. Tainai climate data
  3. Tainai population statistics
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