Kasaoka (笠岡市, Kasaoka-shi) is a city located in Okayama Prefecture, Japan. The city was founded on April 1, 1952. The municipal district also includes 31 outlying islands including seven inhabited islands in the Kasaoka Islands group.
Kasaoka
笠岡市 | |
---|---|
City | |
View of Kasaoka City | |
![]() Flag ![]() Emblem | |
![]() Location of Kasaoka in Okayama Prefecture | |
![]() ![]() Kasaoka Location in Japan | |
Coordinates: 34°30′14″N 133°30′36″E | |
Country | Japan |
Region | Chūgoku (San'yō) |
Prefecture | Okayama Prefecture |
Government | |
• Mayor | Norimoto Mishima (current) |
Area | |
• Total | 136.03 km2 (52.52 sq mi) |
Population (February 28, 2017) | |
• Total | 50,160 |
• Density | 370/km2 (960/sq mi) |
Time zone | UTC+09:00 (JST) |
City hall address | 1-1 Chūō, Kasaoka-shi, Okayama-ken 714-8601 |
Climate | Cfa |
Symbols | |
Flower | Chrysanthemum |
Tree | Ginkgo biloba |
As of February 28, 2017, the city has an estimated population of 50,160, with 22,446 households and a population density of 370 persons per km².[1] The total area is 136.03 km².
Kasaoka has a humid subtropical climate (Köppen climate classification Cfa). The average annual temperature in Kasaoka is 15.7 °C (60.3 °F). The average annual rainfall is 1,055.1 mm (41.54 in) with July as the wettest month. The temperatures are highest on average in August, at around 28.0 °C (82.4 °F), and lowest in January, at around 4.5 °C (40.1 °F).[2] The highest temperature ever recorded in Kasaoka was 38.0 °C (100.4 °F) on 5 August 2021; the coldest temperature ever recorded was −7.3 °C (18.9 °F) on 27 February 1981.[3]
Climate data for Kasaoka (1991−2020 normals, extremes 1979−present) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 16.5 (61.7) |
21.7 (71.1) |
23.2 (73.8) |
28.5 (83.3) |
32.2 (90.0) |
34.7 (94.5) |
37.4 (99.3) |
38.0 (100.4) |
37.6 (99.7) |
31.9 (89.4) |
24.8 (76.6) |
20.0 (68.0) |
38.0 (100.4) |
Average high °C (°F) | 9.4 (48.9) |
10.2 (50.4) |
13.5 (56.3) |
19.0 (66.2) |
23.9 (75.0) |
27.1 (80.8) |
31.1 (88.0) |
32.8 (91.0) |
28.7 (83.7) |
23.1 (73.6) |
17.2 (63.0) |
11.8 (53.2) |
20.7 (69.2) |
Daily mean °C (°F) | 4.5 (40.1) |
5.1 (41.2) |
8.3 (46.9) |
13.6 (56.5) |
18.6 (65.5) |
22.6 (72.7) |
26.7 (80.1) |
28.0 (82.4) |
24.1 (75.4) |
18.0 (64.4) |
12.0 (53.6) |
6.7 (44.1) |
15.7 (60.2) |
Average low °C (°F) | 0.0 (32.0) |
0.3 (32.5) |
3.1 (37.6) |
8.2 (46.8) |
13.5 (56.3) |
18.7 (65.7) |
23.2 (73.8) |
24.2 (75.6) |
20.1 (68.2) |
13.5 (56.3) |
7.3 (45.1) |
2.2 (36.0) |
11.2 (52.2) |
Record low °C (°F) | −6.7 (19.9) |
−7.3 (18.9) |
−4.2 (24.4) |
−1.7 (28.9) |
3.6 (38.5) |
10.4 (50.7) |
15.8 (60.4) |
16.7 (62.1) |
9.1 (48.4) |
2.5 (36.5) |
−1.3 (29.7) |
−4.3 (24.3) |
−7.3 (18.9) |
Average precipitation mm (inches) | 33.0 (1.30) |
41.6 (1.64) |
76.6 (3.02) |
81.2 (3.20) |
102.7 (4.04) |
160.7 (6.33) |
172.9 (6.81) |
80.0 (3.15) |
129.2 (5.09) |
87.5 (3.44) |
50.2 (1.98) |
39.6 (1.56) |
1,055.1 (41.54) |
Average precipitation days (≥ 1.0 mm) | 4.7 | 6.5 | 8.7 | 8.5 | 8.7 | 10.5 | 9.4 | 6.9 | 8.3 | 6.9 | 5.8 | 5.6 | 90.5 |
Mean monthly sunshine hours | 150.1 | 146.3 | 181.8 | 196.9 | 212.0 | 162.3 | 194.1 | 224.5 | 167.8 | 172.1 | 152.5 | 150.1 | 2,110.5 |
Source: Japan Meteorological Agency[3][2] |
Per Japanese census data, the population of Kasaoka in 2020 is 46,088 people.[4] Kasaoka has been conducting censuses since 1950.
Year | Pop. | ±% |
---|---|---|
1950 | 75,372 | — |
1955 | 73,552 | −2.4% |
1960 | 68,987 | −6.2% |
1965 | 63,778 | −7.6% |
1970 | 62,405 | −2.2% |
1975 | 63,413 | +1.6% |
1980 | 61,917 | −2.4% |
1985 | 60,598 | −2.1% |
1990 | 59,619 | −1.6% |
1995 | 60,478 | +1.4% |
2000 | 59,300 | −1.9% |
2005 | 57,272 | −3.4% |
2010 | 54,256 | −5.3% |
2015 | 50,568 | −6.8% |
2020 | 46,088 | −8.9% |
Kasaoka population statistics[4] |
The Asano-gumi yakuza syndicate is based in Kasaoka. The Asano-gumi is the only designated yakuza group based in Okayama Prefecture.[6]
Kasaoka is twinned with:[7]
![]() | ||||
---|---|---|---|---|
Okayama (capital) | ||||
Okayama |
| ![]() | ||
Core city |
| |||
Cities | ||||
Districts | ||||
List of mergers in Okayama Prefecture |
![]() | This Okayama Prefecture location article is a stub. You can help Wikipedia by expanding it. |