Kaiyō, Tokushima

Kaiyō (海陽町, Kaiyō-chō) is a town located in Kaifu District, Tokushima Prefecture, Japan.

Kaiyō
海陽町
Town
Flag
Location of Kaiyō in Tokushima Prefecture
Kaiyō
Coordinates: 33°36′N 134°21′E
CountryJapan
RegionShikoku
PrefectureTokushima Prefecture
DistrictKaifu
Government
 • MayorMeguru Maeda
Area
 • Total327.65 km2 (126.51 sq mi)
Population
 (June 1, 2019)
 • Total8,578
 • Density26/km2 (68/sq mi)
ClimateCfa
WebsiteTown of Kaiyō

It was founded on March 31, 2006 from the merger of the towns of Kaifu, Kainan, and Shishikui, all from Kaifu District.

As of June 1, 2019, the town has an estimated population of 8,578 and a density of 26.2 persons per km². The total area is 327.65 km².

Geography

Climate

Kaiyō has a humid subtropical climate (Köppen climate classification Cfa) with hot summers and cool winters. Precipitation is high, but there is a pronounced difference between the wetter summers and drier winters. The average annual temperature in Kaiyō is 16.5 °C (61.7 °F). The average annual rainfall is 3,195.9 mm (125.82 in) with June as the wettest month. The temperatures are highest on average in August, at around 27.4 °C (81.3 °F), and lowest in January, at around 5.9 °C (42.6 °F).[1] The highest temperature ever recorded in Kaiyō was 36.9 °C (98.4 °F) on 23 August 2013; the coldest temperature ever recorded was −7.3 °C (18.9 °F) on 9 Junuary 2021.[2]

Climate data for Kaiyō (2009−2020 normals, extremes 2009−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 20.4
(68.7)		 24.3
(75.7)		 25.7
(78.3)		 28.8
(83.8)		 30.2
(86.4)		 33.7
(92.7)		 36.0
(96.8)		 36.9
(98.4)		 35.8
(96.4)		 31.5
(88.7)		 27.4
(81.3)		 24.3
(75.7)		 36.9
(98.4)
Average high °C (°F) 12.0
(53.6)		 12.7
(54.9)		 15.6
(60.1)		 19.7
(67.5)		 23.9
(75.0)		 26.1
(79.0)		 30.0
(86.0)		 31.8
(89.2)		 28.8
(83.8)		 24.4
(75.9)		 19.4
(66.9)		 14.3
(57.7)		 21.6
(70.8)
Daily mean °C (°F) 5.9
(42.6)		 7.2
(45.0)		 10.3
(50.5)		 14.6
(58.3)		 19.0
(66.2)		 22.2
(72.0)		 26.1
(79.0)		 27.4
(81.3)		 24.2
(75.6)		 19.4
(66.9)		 13.8
(56.8)		 8.2
(46.8)		 16.5
(61.7)
Average low °C (°F) 0.2
(32.4)		 1.7
(35.1)		 4.7
(40.5)		 9.2
(48.6)		 14.0
(57.2)		 18.8
(65.8)		 22.9
(73.2)		 23.7
(74.7)		 20.3
(68.5)		 14.8
(58.6)		 8.6
(47.5)		 2.6
(36.7)		 11.8
(53.2)
Record low °C (°F) −7.3
(18.9)		 −6.7
(19.9)		 −2.7
(27.1)		 0.0
(32.0)		 5.2
(41.4)		 11.8
(53.2)		 17.7
(63.9)		 17.1
(62.8)		 11.5
(52.7)		 5.9
(42.6)		 −0.4
(31.3)		 −4.1
(24.6)		 −7.3
(18.9)
Average precipitation mm (inches) 77.8
(3.06)		 133.8
(5.27)		 186.7
(7.35)		 286.9
(11.30)		 250.2
(9.85)		 453.0
(17.83)		 433.0
(17.05)		 311.8
(12.28)		 402.8
(15.86)		 341.3
(13.44)		 152.7
(6.01)		 117.3
(4.62)		 3,195.9
(125.82)
Average precipitation days (≥ 1.0 mm) 4.6 6.9 9.2 9.8 9.2 14.4 14.3 12.0 13.1 10.0 7.3 5.4 116.2
Mean monthly sunshine hours 202.7 172.6 199.5 201.4 215.8 137.1 169.2 223.0 154.4 165.8 171.4 195.8 2,209.8
Source: Japan Meteorological Agency[2][1]

Demographics

Per Japanese census data, the population of Kaiyō in 2020 is 8,358 people.[3] Kaiyō has been conducting censuses since 1920.

Historical population
YearPop.±%
1920 16,287—    
1925 16,567+1.7%
1930 16,222−2.1%
1935 16,195−0.2%
1940 16,205+0.1%
1945 20,348+25.6%
1950 20,591+1.2%
1955 20,467−0.6%
1960 19,485−4.8%
1965 17,720−9.1%
1970 15,867−10.5%
1975 14,909−6.0%
1980 14,397−3.4%
1985 13,915−3.3%
1990 12,949−6.9%
1995 12,399−4.2%
2000 12,104−2.4%
2005 11,507−4.9%
2010 10,450−9.2%
2015 9,283−11.2%
2020 8,358−10.0%
Kaiyō population statistics[3]

See also

World War II Japanese aircraft carrier Kaiyō

References
  1. 気象庁 / 平年値（年・月ごとの値）. JMA. Retrieved April 13, 2022.
  2. 観測史上1～10位の値（年間を通じての値）. JMA. Retrieved April 13, 2022.
  3. Kaiyō population statistics

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