Aso, Kumamoto

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Aso
阿蘇市
Aso in 2012
Aso in 2012
Flag of Aso
Official seal of Aso
Location of Aso in Kumamoto Prefecture
Location of Aso in Kumamoto Prefecture
Aso is located in Kumamoto Prefecture
Aso
Aso
Location in Japan
Aso is located in Kyushu
Aso
Aso
Aso (Kyushu)
Aso is located in Japan
Aso
Aso
Aso (Japan)
Coordinates: 32°56′54″N 131°07′26″E / 32.94833°N 131.12389°E / 32.94833; 131.12389Coordinates: 32°56′54″N 131°07′26″E / 32.94833°N 131.12389°E / 32.94833; 131.12389
CountryJapan
RegionKyushu
PrefectureKumamoto Prefecture
First official recorded280 BC
City settledFebruary 11, 2005
Government
 • MayorYoshioki Sato (since March 2005)
Area
 • Total376.25 km2 (145.27 sq mi)
Population
 (March 31, 2017)
 • Total27,039
 • Density72/km2 (190/sq mi)
Time zoneUTC+09:00 (JST)
City hall addressIchinomiya Miyaji 504-1, Aso City Kumamoto Prefecture (熊本県阿蘇市一の宮町宮地504番地1)
869-2695
ClimateCfa
WebsiteAso City official website (in Japanese)
Symbols
BirdGreen pheasant
FlowerGentiana scabra
TreeAzalea

Aso (阿蘇市, Aso-shi) is a city located in Kumamoto Prefecture, Japan.

The modern city of Aso was established on February 11, 2005, from the merger of the former town of Aso, absorbing the town of Ichinomiya, and the village of Namino (all from Aso District).

As of March 31, 2017, the city has an estimated population of 27,039, with 11,355 households[1] and a population density of 72 persons per km2. The total area is 376.25 km2.

The city is situated within Aso Caldera. The source of the Kikuchi River is located in the city.[2]

Geography[edit]

Climate[edit]

Aso has a humid subtropical climate (Köppen climate classification Cfa) with hot, humid summers and cool winters. There is significant precipitation throughout the year, especially during June and July. The average annual temperature in Aso is 13.2 °C (55.8 °F). The average annual rainfall is 3,009.6 mm (118.49 in) with June as the wettest month. The temperatures are highest on average in August, at around 24.2 °C (75.6 °F), and lowest in January, at around 2.0 °C (35.6 °F).[3] The highest temperature ever recorded in Aso was 34.9 °C (94.8 °F) on 11 August 2016; the coldest temperature ever recorded was −14.8 °C (5.4 °F) on 25 January 1998.[4]

Climate data for Aso (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 17.4
(63.3)
21.5
(70.7)
24.0
(75.2)
27.3
(81.1)
30.6
(87.1)
32.1
(89.8)
34.0
(93.2)
34.9
(94.8)
33.2
(91.8)
31.1
(88.0)
24.0
(75.2)
20.2
(68.4)
34.9
(94.8)
Average high °C (°F) 7.1
(44.8)
8.9
(48.0)
12.7
(54.9)
18.0
(64.4)
22.5
(72.5)
24.6
(76.3)
28.2
(82.8)
29.3
(84.7)
26.1
(79.0)
21.0
(69.8)
15.4
(59.7)
9.5
(49.1)
18.6
(65.5)
Daily mean °C (°F) 2.0
(35.6)
3.4
(38.1)
6.9
(44.4)
11.9
(53.4)
16.7
(62.1)
20.2
(68.4)
23.8
(74.8)
24.2
(75.6)
20.8
(69.4)
15.1
(59.2)
9.2
(48.6)
3.8
(38.8)
13.2
(55.7)
Average low °C (°F) −2.7
(27.1)
−1.8
(28.8)
1.2
(34.2)
5.7
(42.3)
11.0
(51.8)
16.3
(61.3)
20.5
(68.9)
20.5
(68.9)
16.5
(61.7)
9.7
(49.5)
3.6
(38.5)
−1.4
(29.5)
8.3
(46.9)
Record low °C (°F) −14.8
(5.4)
−12.5
(9.5)
−8.5
(16.7)
−5.2
(22.6)
0.6
(33.1)
6.0
(42.8)
10.7
(51.3)
12.5
(54.5)
4.8
(40.6)
−1.9
(28.6)
−5.4
(22.3)
−10.2
(13.6)
−14.8
(5.4)
Average precipitation mm (inches) 92.7
(3.65)
134.8
(5.31)
197.2
(7.76)
219.2
(8.63)
261.3
(10.29)
667.9
(26.30)
582.6
(22.94)
291.0
(11.46)
247.8
(9.76)
118.7
(4.67)
109.7
(4.32)
86.9
(3.42)
3,009.6
(118.49)
Average precipitation days (≥ 1.0 mm) 8.3 9.5 12.3 11.4 11.3 16.4 16.4 13.2 11.6 8.2 8.5 8.2 135.3
Mean monthly sunshine hours 106.6 119.7 152.2 172.4 178.4 115.7 139.6 160.4 136.2 158.8 132.7 117.8 1,697.1
Source: Japan Meteorological Agency[4][3]

Demographics[edit]

Per Japanese census data, the population of Aso in 2020 is 24,930 people.[5] Aso has been conducting censuses since 1920.

Historical population
YearPop.±%
1920 27,085—    
1925 28,407+4.9%
1930 30,029+5.7%
1935 31,029+3.3%
1940 30,451−1.9%
1945 39,645+30.2%
1950 40,001+0.9%
1955 41,617+4.0%
1960 40,385−3.0%
1965 38,055−5.8%
1970 35,878−5.7%
1975 34,607−3.5%
1980 34,004−1.7%
1985 33,504−1.5%
1990 33,018−1.5%
1995 31,364−5.0%
2000 30,457−2.9%
2005 29,636−2.7%
2010 28,452−4.0%
2015 27,018−5.0%
2020 24,930−7.7%
Aso population statistics[5]

Tourism[edit]

Places of interest[edit]


Mount Aso and Cable car
Aso City Hall

Notable people[edit]

Fictional characters born in Aso[edit]

Misae Nohara (born in Aso, Kumamoto, née Koyama).

Tomohiko Amada (from Killing Commendatore by Haruki Murakami)

References[edit]

  1. ^ "Official website of Aso City" (in Japanese). Japan: Aso City. Retrieved 30 April 2017.
  2. ^ Okamura, Maya; Minagawa, Tomoko (2016). "Historical and Physical Evaluation of Floodplain Habitats in The River Channel of the Kikuchi River Archived 2017-12-01 at the Wayback Machine" (PDF). 11th International Symposium on Ecohydraulics (ISE 2016). Engineers Australia: 91–98. ISBN 9780734053398.
  3. ^ a b 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved April 15, 2022.
  4. ^ a b 観測史上1~10位の値(年間を通じての値). JMA. Retrieved April 15, 2022.
  5. ^ a b Aso population statistics

External links[edit]

Media related to Aso, Kumamoto at Wikimedia Commons