Yamaga (山鹿市, Yamaga-shi) is a city in Kumamoto Prefecture, Japan. As of 31 July 2024, the city had an estimated population of 48,181 in 21996 households, and a population density of 160 persons per km2.[1] The total area of the city is 299.69 km2 (115.71 sq mi).

Yamaga
山鹿市
Yamaga City Hall
Yamaga City Hall
Flag of Yamaga
Official seal of Yamaga
Map
Location of Yamaga in Kumamoto Prefecture
Location of Yamaga
Yamaga is located in Japan
Yamaga
Yamaga
Location in Japan
Coordinates: 33°1′3″N 130°40′28″E / 33.01750°N 130.67444°E / 33.01750; 130.67444
Country Japan
RegionKyūshū
Prefecture Kumamoto
Government
 • MayorJun'ichi Hayata
Area
 • Total
299.69 km2 (115.71 sq mi)
Population
 (July 31, 2024)
 • Total
48,181
 • Density160/km2 (420/sq mi)
Time zoneUTC+09:00 (JST)
Phone number0968-43-1117
Address987-3 Yamaga, Yamaga-shi, Kumamoto-ken 861-0592
ClimateCfa
WebsiteOfficial website
Symbols
BirdJapanese bush warbler
FlowerRhododendron
TreeOsmanthus fragrans
Yamaga Onsen
Kikuchi Castle ruins
Yamaga Yachiyoza theatre

Geography

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Yamaga is located in the northern inland area of Kumamoto Prefecture, about 30 kilometers north of Kumamoto City. The city borders Fukuoka Prefecture from the north to the northeast, and Oita Prefecture to the east. The area from the urban center, which is slightly south of the geographic center, to the southern part (former Kikuka Town) is a basin. The northern to northeastern part of the city near the prefectural border is part of the Kyushu Mountains. The Kikuchi River flows through the center of the city.

Surrounding municipalities

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Fukuoka Prefecture

Kumamoto Prefecture

Ōita Prefecture

Climate

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Yamaga 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 Yamaga is 14.9 °C (58.8 °F). The average annual rainfall is 2,177.9 mm (85.74 in) with July as the wettest month. The temperatures are highest on average in August, at around 26.3 °C (79.3 °F), and lowest in January, at around 3.5 °C (38.3 °F).[2] The highest temperature ever recorded in Yamaga was 36.9 °C (98.4 °F) on 21 August 2013 and 8 August 2015; the coldest temperature ever recorded was −10.1 °C (13.8 °F) on 19 February 1977.[3]

Climate data for Kahoku, Yamaga (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)
23.3
(73.9)
26.0
(78.8)
30.1
(86.2)
35.3
(95.5)
34.9
(94.8)
36.8
(98.2)
36.9
(98.4)
36.5
(97.7)
32.3
(90.1)
26.3
(79.3)
24.0
(75.2)
36.9
(98.4)
Mean daily maximum °C (°F) 9.7
(49.5)
11.4
(52.5)
15.2
(59.4)
20.7
(69.3)
25.3
(77.5)
27.3
(81.1)
30.6
(87.1)
32.0
(89.6)
28.9
(84.0)
23.7
(74.7)
17.6
(63.7)
11.9
(53.4)
21.2
(70.2)
Daily mean °C (°F) 3.5
(38.3)
4.9
(40.8)
8.4
(47.1)
13.6
(56.5)
18.4
(65.1)
22.1
(71.8)
25.7
(78.3)
26.3
(79.3)
22.9
(73.2)
17.0
(62.6)
10.9
(51.6)
5.4
(41.7)
14.9
(58.9)
Mean daily minimum °C (°F) −1.5
(29.3)
−0.9
(30.4)
2.1
(35.8)
6.8
(44.2)
11.9
(53.4)
17.7
(63.9)
22.0
(71.6)
22.0
(71.6)
18.2
(64.8)
11.4
(52.5)
5.3
(41.5)
0.2
(32.4)
9.6
(49.3)
Record low °C (°F) −8.8
(16.2)
−10.1
(13.8)
−6.7
(19.9)
−3.9
(25.0)
0.9
(33.6)
6.3
(43.3)
12.7
(54.9)
13.7
(56.7)
6.2
(43.2)
−0.7
(30.7)
−3.7
(25.3)
−7.4
(18.7)
−10.1
(13.8)
Average precipitation mm (inches) 59.3
(2.33)
84.8
(3.34)
136.3
(5.37)
158.7
(6.25)
196.7
(7.74)
449.0
(17.68)
452.5
(17.81)
233.2
(9.18)
167.2
(6.58)
86.4
(3.40)
87.8
(3.46)
66.1
(2.60)
2,177.9
(85.74)
Average precipitation days (≥ 1.0 mm) 7.8 8.6 10.9 10.5 10.1 14.2 14.1 11.5 9.6 6.8 7.9 7.9 119.9
Mean monthly sunshine hours 119.5 128.6 162.2 186.2 196.4 124.6 157.2 190.2 169.8 179.8 143.4 126.6 1,884.6
Source: Japan Meteorological Agency[3][2]

Demography

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Per Japanese census data, the population of Yamaga is as shown below,[4]

Historical population
YearPop.±%
1960 76,209—    
1970 64,029−16.0%
1980 62,839−1.9%
1990 62,150−1.1%
2000 59,491−4.3%
2010 55,391−6.9%
2020 49,025−11.5%

History

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The area of Yamaga was part of ancient Higo Province. There are many burial mounds dating from the Kofun period within the city limitsm and the name "Yamaga" appears in early 8th century records. During the Kamakura period, the area developed as a hot spring town and in the Muromachi period it developed into a commercial settlement and a post town on the Buzen Kaido highway, and was noted for its production of umbrellas. During the Edo Period it was part of the holdings of Kumamoto Domain. It was the site of a battle during the 1877 Satsuma rebellion. After the Meiji restoration, the town of Yamaga was established with the creation of the modern municipalities system on April 1, 1889. On January 15, 2005, Yamaga absorbed the towns of Kahoku, Kamoto, Kaō and Kikuka (all from Kamoto District) to create the new and expanded city of Yamaga.

Government

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Yamaga has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members. Yamaga contributes two members to the Kumamoto Prefectural Assembly. In terms of national politics, the city is part of the Kumamoto 3rd district of the lower house of the Diet of Japan.

Economy

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The local economy is based on agriculture and light manufacturing.

Education

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Yamaga has 15 public elementary schools and six public junior high schools operated by the city government, and three public high schools operated by the Kumamoto Prefectural Board of Education. There is also one private high school. The prefecture also operates a special education school for the handicapped.

Transportation

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Railways

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Yamaga has no passenger railway services. The nearest train stations are Shin-Tamana Station on the Kyushu Shinkansen or either Tamana Station or Ueki Station on the JR Kyushu Kagoshima Main Line.

Highways

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The Kyushu Expressway passes through the western part of the city, but there are no interchanges within the city

Local attractions

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Dancers in Yachioza Theatre.

Attractions include the Kumamoto Prefectural Ancient Burial Mound Museum.

National Historic Sites

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Notable people from Yamaga

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References

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  1. ^ "Yamaga City official statistics" (in Japanese). Japan.
  2. ^ a b 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved April 15, 2022.
  3. ^ a b 観測史上1~10位の値(年間を通じての値). JMA. Retrieved April 15, 2022.
  4. ^ Yamaga population statistics
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