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Amakusa
天草市
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Panorama view of Amakusa, from Jyunkyō Park
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Flag 
Emblem | |
Location of Amakusa in Kumamoto Prefecture
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  Amakusa Location in Japan | |
| Coordinates: 32°28′N 130°12′E / 32.467°N 130.200°E / 32.467; 130.200 | |
| Country | Japan |
| Region | Kyushu |
| Prefecture | Kumamoto Prefecture |
| Hondo City Settled | April 1, 1954 |
| Ushibuka City Settled | July 1, 1954 |
| Both Cities Mergerd | March 27, 2006[citation needed] |
| Government | |
| • Mayor | Shoji Baba |
| Area | |
| • Total | 683.82 km2 (264.02 sq mi) |
| Population
(April 2024)
| |
| • Total | 72,623 |
| • Density | 110/km2 (280/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 8-1 Higashihamamachi, Amakusa-shi, Kumamoto-ken 863-0014 |
| Climate | Cfa |
| Website | www |
| Symbols | |
| |
| Bird | Larus canus |
| Flower | Hibiscus hamabo |
| Tree | Ficus superba |
| Amakusa | |||||
|---|---|---|---|---|---|
| Japanese name | |||||
| Kanji | 天草市 | ||||
| Hiragana | あまくさし | ||||
| Katakana | アマクサシ | ||||
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Amakusa (天草市, Amakusa-shi) is a city located in Kumamoto Prefecture, Japan.
As of March 2024, Amakusa has an estimated population of 72,623[1] and a population density of 110 persons per km2. The total area is 683.82 km (424.91 mi). Amakusa has the distinction of being the fastest depopulating city in Japan since the last census (2005).[citation needed]
Amakusa covers the majority of two main islands, Kamishima (上島, "Upper Island") and Shimoshima (下島, "Lower Island") (天草諸島), and six smaller islands and islets. The modern city of Amakusa was established on March 27, 2006, from a merger between the former cities of Hondo and Ushibuka, and the towns of Amakusa , Ariake, Goshoura, Itsuwa, Kawaura, Kuratake, Shinwa and Sumoto from Amakusa District.[citation needed]
Amakusa Airlines is headquartered in Amakusa.[2]
Amakusa has a humid subtropical climate (Köppen climate classification Cfa) with hot summers and cool winters. Precipitation is significant throughout the year, and is heaviest from May to August. The average annual temperature in Amakusa is 18.2 °C (64.8 °F). The average annual rainfall is 2,109.8 mm (83.06 in) with June as the wettest month. The temperatures are highest on average in August, at around 28.3 °C (82.9 °F), and lowest in January, at around 8.6 °C (47.5 °F).[3] The highest temperature ever recorded in Amakusa was 39.6 °C (103.3 °F) on 20 August 2013; the coldest temperature ever recorded was −7.0 °C (19.4 °F) on 25 January 2016.[4]
| Climate data for Ushibuka, Amakusa (1991−2020 normals, extremes 1949−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 21.8 (71.2) |
23.6 (74.5) |
24.5 (76.1) |
29.2 (84.6) |
31.2 (88.2) |
33.9 (93.0) |
37.5 (99.5) |
39.6 (103.3) |
36.7 (98.1) |
34.0 (93.2) |
27.8 (82.0) |
24.0 (75.2) |
39.6 (103.3) |
| Mean daily maximum °C (°F) | 11.8 (53.2) |
13.0 (55.4) |
16.1 (61.0) |
20.3 (68.5) |
24.2 (75.6) |
26.5 (79.7) |
30.4 (86.7) |
32.2 (90.0) |
29.6 (85.3) |
25.0 (77.0) |
19.6 (67.3) |
14.2 (57.6) |
21.9 (71.4) |
| Daily mean °C (°F) | 8.6 (47.5) |
9.4 (48.9) |
12.2 (54.0) |
16.3 (61.3) |
20.1 (68.2) |
23.1 (73.6) |
27.0 (80.6) |
28.3 (82.9) |
25.6 (78.1) |
21.1 (70.0) |
16.0 (60.8) |
10.8 (51.4) |
18.2 (64.8) |
| Mean daily minimum °C (°F) | 5.5 (41.9) |
6.0 (42.8) |
8.6 (47.5) |
12.6 (54.7) |
16.6 (61.9) |
20.5 (68.9) |
24.3 (75.7) |
25.4 (77.7) |
22.7 (72.9) |
17.8 (64.0) |
12.8 (55.0) |
7.6 (45.7) |
15.0 (59.1) |
| Record low °C (°F) | −3.0 (26.6) |
−3.4 (25.9) |
−1.6 (29.1) |
2.0 (35.6) |
9.4 (48.9) |
12.6 (54.7) |
18.0 (64.4) |
18.8 (65.8) |
14.1 (57.4) |
7.4 (45.3) |
2.8 (37.0) |
−1.5 (29.3) |
−3.4 (25.9) |
| Average precipitation mm (inches) | 79.7 (3.14) |
95.4 (3.76) |
124.7 (4.91) |
158.1 (6.22) |
178.7 (7.04) |
409.6 (16.13) |
348.9 (13.74) |
200.7 (7.90) |
204.0 (8.03) |
96.5 (3.80) |
106.5 (4.19) |
96.4 (3.80) |
2,109.8 (83.06) |
| Average snowfall cm (inches) | 1 (0.4) |
1 (0.4) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1 (0.4) |
| Average precipitation days (≥ 1.0 mm) | 10.6 | 9.6 | 11.1 | 10.0 | 9.5 | 14.3 | 10.4 | 9.5 | 9.5 | 6.5 | 8.6 | 10.0 | 119.6 |
| Average snowy days (≥ 1 cm) | 0.3 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 |
| Average relative humidity (%) | 65 | 64 | 66 | 69 | 73 | 82 | 82 | 77 | 73 | 66 | 67 | 65 | 71 |
| Mean monthly sunshine hours | 105.4 | 121.7 | 160.9 | 180.9 | 189.7 | 124.1 | 193.1 | 227.9 | 192.0 | 191.0 | 147.2 | 118.4 | 1,954.5 |
| Source: Japan Meteorological Agency[4][3] | |||||||||||||
| Climate data for Hondo, Amakusa (1991−2020 normals, extremes 1977−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 22.0 (71.6) |
23.2 (73.8) |
25.1 (77.2) |
29.5 (85.1) |
32.6 (90.7) |
35.2 (95.4) |
37.3 (99.1) |
37.6 (99.7) |
35.5 (95.9) |
33.3 (91.9) |
27.0 (80.6) |
25.1 (77.2) |
37.6 (99.7) |
| Mean daily maximum °C (°F) | 10.7 (51.3) |
12.2 (54.0) |
15.5 (59.9) |
20.7 (69.3) |
25.2 (77.4) |
27.3 (81.1) |
31.3 (88.3) |
32.5 (90.5) |
29.1 (84.4) |
24.0 (75.2) |
18.4 (65.1) |
12.9 (55.2) |
21.7 (71.0) |
| Daily mean °C (°F) | 6.2 (43.2) |
7.2 (45.0) |
10.3 (50.5) |
14.9 (58.8) |
19.2 (66.6) |
22.6 (72.7) |
26.5 (79.7) |
27.3 (81.1) |
24.0 (75.2) |
18.9 (66.0) |
13.4 (56.1) |
8.3 (46.9) |
16.6 (61.8) |
| Mean daily minimum °C (°F) | 2.1 (35.8) |
2.6 (36.7) |
5.3 (41.5) |
9.5 (49.1) |
14.0 (57.2) |
18.8 (65.8) |
22.9 (73.2) |
23.4 (74.1) |
20.2 (68.4) |
14.6 (58.3) |
9.1 (48.4) |
4.1 (39.4) |
12.2 (54.0) |
| Record low °C (°F) | −7.0 (19.4) |
−5.6 (21.9) |
−3.1 (26.4) |
0.4 (32.7) |
6.4 (43.5) |
10.9 (51.6) |
16.6 (61.9) |
17.5 (63.5) |
11.7 (53.1) |
3.4 (38.1) |
−0.2 (31.6) |
−3.2 (26.2) |
−7.0 (19.4) |
| Average precipitation mm (inches) | 83.1 (3.27) |
96.1 (3.78) |
132.6 (5.22) |
157.2 (6.19) |
169.9 (6.69) |
405.3 (15.96) |
340.5 (13.41) |
215.0 (8.46) |
195.4 (7.69) |
111.9 (4.41) |
108.4 (4.27) |
91.6 (3.61) |
2,106.3 (82.93) |
| Average precipitation days (≥ 1.0 mm) | 9.9 | 9.8 | 10.8 | 10.2 | 9.5 | 15.1 | 12.3 | 10.5 | 10.1 | 7.1 | 9.1 | 9.9 | 124.3 |
| Mean monthly sunshine hours | 108.8 | 126.6 | 163.1 | 183.7 | 190.7 | 119.2 | 178.2 | 216.0 | 179.8 | 184.3 | 142.4 | 120.9 | 1,915.7 |
| Source: Japan Meteorological Agency[5][6] | |||||||||||||
Per Japanese census data, the population of Amakusa in 2020 is 75,783 people.[7] Amakusa has been conducting censuses since 1920.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 122,297 | — |
| 1925 | 121,482 | −0.7% |
| 1930 | 125,165 | +3.0% |
| 1935 | 123,495 | −1.3% |
| 1940 | 123,580 | +0.1% |
| 1945 | 167,936 | +35.9% |
| 1950 | 169,508 | +0.9% |
| 1955 | 169,880 | +0.2% |
| 1960 | 158,882 | −6.5% |
| 1965 | 142,346 | −10.4% |
| 1970 | 127,636 | −10.3% |
| 1975 | 122,513 | −4.0% |
| 1980 | 121,574 | −0.8% |
| 1985 | 118,765 | −2.3% |
| 1990 | 112,068 | −5.6% |
| 1995 | 107,823 | −3.8% |
| 2000 | 102,907 | −4.6% |
| 2005 | 96,473 | −6.3% |
| 2010 | 89,091 | −7.7% |
| 2015 | 82,739 | −7.1% |
| 2020 | 75,783 | −8.4% |
| Amakusa population statistics[7] | ||
Encinitas, California, United States[8]
Media related to Amakusa, Kumamoto at Wikimedia Commons
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