Kodaira has ahumid subtropical climate (KöppenCfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kodaira is 14.0 °C. The average annual rainfall is 1647 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.5 °C, and lowest in January, at around 2.6 °C.[2]
Per Japanese census data,[3] the population of Kodaira increased rapidly in the 1950s and 1960s and has continued to grow at a slower rate in the decades since.
The area of present-day Kodaira was part of ancientMusashi Province, but was a largely unpopulated area under the opening of theTamagawa Aqueduct in theEdo period made agriculture possible. In the post-Meiji Restoration cadastral reform of July 22, 1878, the area became part of Kitatama District inKanagawa Prefecture. The village of Kodaira was created on April 1, 1889 with the establishment of the modern municipalities system. Kitatama District was transferred to the administrative control of Tokyo Metropolis on April 1, 1893. The population of the area expanded after the1923 Great Kantō earthquake with the relocation of universities and housing areas from central Tokyo. Kodaira was elevated to town status in 1944 and to city status on October 1, 1962.
Kodaira has amayor-council form of government with a directly elected mayor and aunicameral city council of 28 members. Kodaira contributes two members to the Tokyo Metropolitan Assembly. In terms of national politics, the city is part ofTokyo 18th district of thelower house of theDiet of Japan.The current mayor is Yoko Kobayashi(ja:小林洋子)(since April 11, 2021).[4]
^"日本美術オーラル・ヒストリー・アーカイヴ/小島信明オーラル・ヒストリー" [Nobuaki Kojima Oral History October 04, 2014].Oral History Archives of Japanese Art (in Japanese). Interviewed by Yuko Ikegami; Transcribed by Tomomi Ose. Kodaira, Tokyo. 2015-11-01.Archived from the original on 2021-10-18. Retrieved2021-10-02.{{cite web}}: CS1 maint: others (link)