Ainan, Ehime
Town in Shikoku, Japan From Wikipedia, the free encyclopedia
Ainan (愛南町, Ainan-chō) is a town in Ehime Prefecture, Japan. As of 1 September 2022[update], the town had an estimated population of 19,733 in 10054 households, and a population density of 83 persons per km2.[2] The total area of the town is 238.99 square kilometres (92.27 sq mi).
Ainan
愛南町 | |
|---|---|
 Ainan Town Hall | |
 Flag  Emblem | |
 Location of Ainan in Ehime Prefecture | |
 | |
  Ainan Location in Japan | |
| Coordinates: 32°58′N 132°35′E | |
| Country | Japan |
| Region | Shikoku |
| Prefecture | Ehime |
| District | Minamiuwa |
| Government | |
| • Mayor | Masafumi Shimizu (清水雅文)[1] |
| Area | |
| • Total | 238.99 km2 (92.27 sq mi) |
| Population (September 1, 2022) | |
| • Total | 19,733 |
| • Density | 83/km2 (210/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 2420 Kō, Jōhen, Ainan-chō, Minamiuwa-gun, Ehime-ken 798-4196 |
| Website | Official website |
| Symbols | |
| Bird | Japanese white-eye (目白, Mejiro) |
| Flower | Akebono azalea (曙躑躅, Akebono tsusuji) |
| Tree | Quercus phillyraeoides (姥目樫, Ubamegashi) |
Ainan is located in far southwestern Ehime Prefecture on the island of Shikoku. It faces Utsumi Bay to the west and Sukumo Bay to the south. The mountainous area that occupies most of the town area plunges directly into the sea, creating a complex ria coastline. At the mouth of the Sozu River, which flows in a large arc in the center, there is a small open flatland, where the government office is located. Parts of the town are within the borders of the Ashizuri-Uwakai National Park. Sasayama Mountain is the highest mountain in Ainan (1,064.4 m) which has a rare variety of azaleas blooming on its peak, best seen in late April, early May.
Neighbouring municipalities
Ehime Prefecture
Kōchi Prefecture
Climate
Ainan has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. The average annual temperature in Ainan is 16.3 °C. The average annual rainfall is 1910 mm with September as the wettest month. The temperatures are highest on average in January, at around 25.8 °C, and lowest in January, at around 6.7 °C.[3] The rainy season runs from June to July. The summer is hot and humid, with infrequent rain showers.
| Climate data for Mishō, Ehime (1991−2020 normals, extremes 1978−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 21.5 (70.7) |
22.6 (72.7) |
25.0 (77.0) |
28.7 (83.7) |
32.7 (90.9) |
33.3 (91.9) |
37.3 (99.1) |
39.0 (102.2) |
35.8 (96.4) |
32.9 (91.2) |
27.0 (80.6) |
23.7 (74.7) |
39.0 (102.2) |
| Mean daily maximum °C (°F) | 11.6 (52.9) |
12.6 (54.7) |
15.8 (60.4) |
20.5 (68.9) |
24.4 (75.9) |
26.6 (79.9) |
30.8 (87.4) |
32.0 (89.6) |
29.1 (84.4) |
24.4 (75.9) |
19.2 (66.6) |
13.9 (57.0) |
21.7 (71.1) |
| Daily mean °C (°F) | 7.3 (45.1) |
8.0 (46.4) |
10.9 (51.6) |
15.4 (59.7) |
19.5 (67.1) |
22.6 (72.7) |
26.5 (79.7) |
27.5 (81.5) |
24.4 (75.9) |
19.3 (66.7) |
14.3 (57.7) |
9.4 (48.9) |
17.1 (62.8) |
| Mean daily minimum °C (°F) | 3.1 (37.6) |
3.3 (37.9) |
5.9 (42.6) |
10.2 (50.4) |
14.6 (58.3) |
19.0 (66.2) |
23.1 (73.6) |
23.9 (75.0) |
20.5 (68.9) |
14.8 (58.6) |
9.5 (49.1) |
4.9 (40.8) |
12.7 (54.9) |
| Record low °C (°F) | −3.4 (25.9) |
−4.5 (23.9) |
−3.1 (26.4) |
−0.2 (31.6) |
3.5 (38.3) |
10.0 (50.0) |
14.8 (58.6) |
16.3 (61.3) |
10.1 (50.2) |
2.6 (36.7) |
−1.2 (29.8) |
−3.8 (25.2) |
−4.5 (23.9) |
| Average precipitation mm (inches) | 69.3 (2.73) |
90.8 (3.57) |
139.0 (5.47) |
151.5 (5.96) |
199.1 (7.84) |
318.2 (12.53) |
247.6 (9.75) |
186.9 (7.36) |
228.2 (8.98) |
148.2 (5.83) |
104.4 (4.11) |
80.8 (3.18) |
1,963.7 (77.31) |
| Average precipitation days (≥ 1.0 mm) | 8.6 | 8.9 | 11.2 | 9.4 | 9.4 | 14.0 | 10.9 | 9.7 | 11.1 | 8.0 | 7.9 | 8.3 | 117.4 |
| Mean monthly sunshine hours | 142.9 | 150.7 | 181.0 | 195.5 | 195.0 | 126.7 | 193.9 | 217.3 | 173.9 | 178.9 | 158.1 | 143.5 | 2,067.5 |
| Source: Japan Meteorological Agency[4][5] | |||||||||||||
Per Japanese census data,[6] the population of Ainan has decreased steadily since the 1950s.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 32,670 | — |
| 1930 | 34,921 | +6.9% |
| 1940 | 36,472 | +4.4% |
| 1950 | 49,359 | +35.3% |
| 1960 | 44,496 | −9.9% |
| 1970 | 34,672 | −22.1% |
| 1980 | 33,800 | −2.5% |
| 1990 | 32,297 | −4.4% |
| 2000 | 29,311 | −9.2% |
| 2010 | 24,061 | −17.9% |
| 2020 | 19,601 | −18.5% |
The area of Ainan was part of ancient Iyo Province. During the Edo period, the area was part of the holdings of Uwajima Domain ruled by the Date clan from their seat at Uwajima Castle. Seven villages within Minamiuwa were established with the creation of the modern municipalities system on October 1, 1889. These were gradually consolidated into the four towns of Jōhen, Mishō, Nishiumi, and Ipponmatsu, and the village of Uchiumi, which merged on October 1, 2004 to form the town of Ainan.
Ainan has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members. Ainan contributes one member to the Ehime Prefectural Assembly. In terms of national politics, the town is part of Ehime 4th district of the lower house of the Diet of Japan.
Ainan's economy is centered on commercial fishing, with agriculture and horticulture player smaller roles. The area was traditionally known for cultured pearls, and oyster farming and fish farming remain important. Ainan is known to produce a variety of products, including bonito, red snapper, yellowtail, oysters, noble scallops, and citrus fruits mikan. The main citrus fruit is Ainan Gold Grapefruit. Industry is less developed due to lack of suitable land and poor transportation infrastructure.
Ainan has 11 public elementary schools and four public middle schools operated by the town government and one combined elementary/middle school operated jointly with the city of Sukumo. The town has one public high school operated by the Ehime Prefectural Board of Education.
Railway
Ainan does not have any passenger railway service. The nearest station in the prefecture is the JR Shikoku Uwajima Station. Another near station is the Sukumo Station of the Tosa Kuroshio Railway in Kōchi Prefecture.
Highways
- Kanjizai-ji - the 40th temple on the Shikoku Pilgrimage.
- Southern Recreation Facilities Shirobe Park, including Shogenyama Park, Misho Park (Sunpearl, Hotel), Maze Park (Shiden Kai Exhibition Hall, Uwakai Observation Tower)
A variety of festivals are celebrated in Ainan, including Ainan Tairyo Matsuri in May, Natsu Matsuri (Summer festival), Obon, and Aki Matsuri.
During the Obon festival, Japan's equivalent of All Souls' Day, family members from all over Japan return to their family homes in Ainan to remember the souls of the dead. The festival is celebrated all over town, from the larger parts of Misho to the smallest hamlets in Nishiumi. In the evening, torches and lanterns can be seen along the seashore where the towns are gathering.
Aki Matsuri (fall festival) is a major event for the local people. People gather in many places to watch children perform the Five Deer Dance, or the Karashishi dance. Adults also carry mikoshi and Ushi Oni (a large cow demon float) around town.
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