Koshigaya 越谷市 | |
|---|---|
 Koshigaya City Hall | |
 Flag  Seal | |
 Location of Koshigaya in Saitama Prefecture | |
  Koshigaya | |
| Coordinates:35°53′28.1″N139°47′27.3″E / 35.891139°N 139.790917°E /35.891139; 139.790917 | |
| Country | Japan |
| Region | Kantō |
| Prefecture | Saitama |
| Government | |
| • Mayor | Tsutomu Takahashi |
| Area | |
• Total | 60.24 km2 (23.26 sq mi) |
| Population (February 2021) | |
• Total | 345,353 |
| • Density | 5,700/km2 (15,000/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| Phone number | 048-982-5111 |
| Address | 4-2-1 Koshigaya, Koshigaya-shi, Saitama-ken 343-8501 |
| Climate | Cfa |
| Website | Official website |
| Symbols | |
| Bird | Eurasian collared dove |
| Flower | Chrysanthemum |
| Tree | Zelkova serrata |
Koshigaya (越谷市,Koshigaya-shi) is acity located inSaitama Prefecture,Japan. As of 1 January 2021[update], the city had an estimatedpopulation of 345,353 in 158,022 households and apopulation density of 5700 persons per km2.[1] The total area of the city is 60.24 square kilometres (23.26 sq mi). It is famous for producingdaruma dolls.
Koshigaya is situated in eastern Saitama Prefecture, in the alluvial plain of the Nakagawa basin between the Omiya plateau and the Shimosa plateau. Most of the city area is flat with an average elevation of only five meters above sea level. Many rivers, including the Motoara River, Naka River, Ayase River, Furutone River, and Sakagawa River flow in the city. Koshigaya, which is about 25 kilometers north of Tokyo and developed as a transportation for water and land transportation from premodern times.
Koshigaya has aHumid subtropical climate (KöppenCfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Koshigaya is 14.7 °C. The average annual rainfall is 1408 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.4 °C, and lowest in January, at around 3.1 °C.[2]
| Climate data for Koshigaya (1991−2020 normals, extremes 1977−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 18.9 (66.0) | 24.3 (75.7) | 27.7 (81.9) | 30.3 (86.5) | 35.1 (95.2) | 35.8 (96.4) | 40.2 (104.4) | 40.4 (104.7) | 37.9 (100.2) | 33.6 (92.5) | 26.1 (79.0) | 25.9 (78.6) | 40.4 (104.7) |
| Mean daily maximum °C (°F) | 9.6 (49.3) | 10.6 (51.1) | 14.1 (57.4) | 19.6 (67.3) | 24.1 (75.4) | 26.7 (80.1) | 30.7 (87.3) | 32.1 (89.8) | 27.9 (82.2) | 22.1 (71.8) | 16.6 (61.9) | 11.8 (53.2) | 20.5 (68.9) |
| Daily mean °C (°F) | 4.2 (39.6) | 5.2 (41.4) | 8.7 (47.7) | 13.9 (57.0) | 18.7 (65.7) | 22.0 (71.6) | 25.9 (78.6) | 27.1 (80.8) | 23.3 (73.9) | 17.5 (63.5) | 11.6 (52.9) | 6.5 (43.7) | 15.4 (59.7) |
| Mean daily minimum °C (°F) | −0.5 (31.1) | 0.4 (32.7) | 3.6 (38.5) | 8.7 (47.7) | 14.0 (57.2) | 18.2 (64.8) | 22.2 (72.0) | 23.4 (74.1) | 19.7 (67.5) | 13.7 (56.7) | 7.3 (45.1) | 1.8 (35.2) | 11.0 (51.8) |
| Record low °C (°F) | −7.5 (18.5) | −7.1 (19.2) | −4.9 (23.2) | −1.4 (29.5) | 4.7 (40.5) | 10.6 (51.1) | 14.1 (57.4) | 15.4 (59.7) | 10.2 (50.4) | 4.2 (39.6) | −1.8 (28.8) | −5.3 (22.5) | −7.5 (18.5) |
| Averageprecipitation mm (inches) | 50.2 (1.98) | 47.5 (1.87) | 94.5 (3.72) | 109.8 (4.32) | 124.4 (4.90) | 144.0 (5.67) | 138.0 (5.43) | 134.3 (5.29) | 197.0 (7.76) | 203.4 (8.01) | 78.6 (3.09) | 50.3 (1.98) | 1,366.9 (53.81) |
| Average precipitation days(≥ 1.0 mm) | 4.4 | 5.0 | 9.2 | 9.9 | 10.2 | 12.0 | 11.0 | 8.6 | 11.0 | 10.1 | 7.3 | 5.2 | 103.4 |
| Mean monthlysunshine hours | 199.6 | 181.7 | 185.3 | 184.0 | 182.5 | 128.9 | 153.4 | 180.1 | 134.7 | 135.5 | 153.7 | 174.5 | 1,993.9 |
| Source:Japan Meteorological Agency[3][4] | |||||||||||||
Per Japanese census data,[5] the population of Koshigaya has increased rapidly from the 1960s.
| Year | Pop. | ±% |
|---|---|---|
| 1960 | 49,585 | — |
| 1970 | 139,368 | +181.1% |
| 1980 | 223,241 | +60.2% |
| 1990 | 285,259 | +27.8% |
| 2000 | 308,307 | +8.1% |
| 2010 | 326,313 | +5.8% |
| 2020 | 341,621 | +4.7% |
The area around Koshigaya was an inlet of the sea in theJōmon period and was settle during theYayoi or earlyKofun period. In the Nara period, it was a border area straddlingMusashi andShimōsa Provinces. Koshigaya-shuku prospered during theEdo period as apost station on theNikkō Kaidō and theŌshū Kaidō highways, and the town served as the temporary residence of theTokugawa shōgun after the 1657Great Fire of Meireki which destroyedEdo Castle. The town also had a riverine connection withEdo and served as a transportation and transshipment center.
Koshigaya was elevated further tospecial city status on April 1, 2003 and tocore city status on April 1, 2015.
Koshigaya has amayor-council form of government with a directly elected mayor and aunicameral city council of 32 members. Koshigaya contributes four members to the Saitama Prefectural Assembly. In terms of national politics, the city is part ofSaitama 3rd district of thelower house of theDiet of Japan.
Koshigaya is a major regional commercial center with a diversified industrial base.
Tōbu Railway -Tōbu Isesaki Line
Campbelltown,New South Wales, Australia, since April 11, 1984[6]The actual scenery of Koshigaya is set in the anime and manga series,Miss Kobayashi's Dragon Maid. albeit with the name of "Oborozuka".
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