Sera 世羅町 | |
|---|---|
 Sera Town Hall | |
 Flag  Seal | |
 Location of Sera in Hiroshima Prefecture | |
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  Sera Location in Japan | |
| Coordinates:34°35′13″N133°3′24″E / 34.58694°N 133.05667°E /34.58694; 133.05667 | |
| Country | Japan |
| Region | Chūgoku San'yō |
| Prefecture | Hiroshima |
| District | Sera |
| Area | |
• Total | 278.14 km2 (107.39 sq mi) |
| Population (March 31, 2023) | |
• Total | 15,070 |
| • Density | 54/km2 (140/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 123-1 Nishiuehara, Sera-chō, Sera-gun, Hiroshima-ken 722-1192 |
| Climate | Cfa |
| Website | Official website |
| Symbols | |
| Flower | Lily of the valley |
| Tree | Pine |
Sera (世羅町,Sera-chō) is atown located inSera District,Hiroshima Prefecture,Japan. As of 31 March 2023[update], the town had an estimatedpopulation of 15,070 in 6809 households and apopulation density of 63 persons per km2.[1] The total area of the town is 278.14 square kilometres (107.39 sq mi).
Sera is located in east-central Hiroshima Prefecture.
Sera has ahumid subtropical climate (Köppen climate classificationCfa) characterized by cool to mild winters and hot, humid summers. The average annual temperature in Sera is 12.9 °C (55.2 °F). The average annual rainfall is 1,335.5 mm (52.58 in) with July as the wettest month. The temperatures are highest on average in August, at around 25.2 °C (77.4 °F), and lowest in January, at around 1.4 °C (34.5 °F).[2] The highest temperature ever recorded in Sera was 37.4 °C (99.3 °F) on 7 August 1994; the coldest temperature ever recorded was −14.0 °C (6.8 °F) on 31 January 1985.[3]
| Climate data for Sera (1991−2020 normals, extremes 1977−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 16.5 (61.7) | 19.6 (67.3) | 24.0 (75.2) | 29.0 (84.2) | 32.0 (89.6) | 34.6 (94.3) | 36.5 (97.7) | 37.4 (99.3) | 35.7 (96.3) | 30.4 (86.7) | 25.8 (78.4) | 20.0 (68.0) | 37.4 (99.3) |
| Mean daily maximum °C (°F) | 6.5 (43.7) | 7.9 (46.2) | 12.0 (53.6) | 18.0 (64.4) | 23.0 (73.4) | 25.7 (78.3) | 29.4 (84.9) | 30.8 (87.4) | 26.6 (79.9) | 20.8 (69.4) | 14.8 (58.6) | 8.9 (48.0) | 18.7 (65.6) |
| Daily mean °C (°F) | 1.4 (34.5) | 2.3 (36.1) | 5.7 (42.3) | 11.4 (52.5) | 16.6 (61.9) | 20.5 (68.9) | 24.4 (75.9) | 25.2 (77.4) | 21.0 (69.8) | 14.6 (58.3) | 8.6 (47.5) | 3.4 (38.1) | 12.9 (55.3) |
| Mean daily minimum °C (°F) | −2.9 (26.8) | −2.6 (27.3) | −0.1 (31.8) | 4.9 (40.8) | 10.6 (51.1) | 15.9 (60.6) | 20.4 (68.7) | 20.9 (69.6) | 16.5 (61.7) | 9.4 (48.9) | 3.2 (37.8) | −1.1 (30.0) | 7.9 (46.3) |
| Record low °C (°F) | −14.0 (6.8) | −14.0 (6.8) | −9.9 (14.2) | −5.2 (22.6) | −0.4 (31.3) | 7.0 (44.6) | 10.8 (51.4) | 12.4 (54.3) | 3.6 (38.5) | −1.9 (28.6) | −4.9 (23.2) | −10.6 (12.9) | −14.0 (6.8) |
| Averageprecipitation mm (inches) | 45.5 (1.79) | 53.9 (2.12) | 94.8 (3.73) | 105.6 (4.16) | 128.4 (5.06) | 181.8 (7.16) | 226.3 (8.91) | 124.5 (4.90) | 155.8 (6.13) | 101.7 (4.00) | 61.6 (2.43) | 55.7 (2.19) | 1,335.5 (52.58) |
| Average precipitation days(≥ 1.0 mm) | 8.0 | 8.6 | 10.5 | 9.8 | 9.7 | 11.7 | 11.0 | 8.5 | 9.6 | 7.4 | 6.6 | 8.2 | 109.6 |
| Mean monthlysunshine hours | 115.0 | 121.3 | 161.5 | 182.7 | 203.4 | 143.0 | 156.8 | 188.2 | 147.7 | 162.2 | 137.5 | 122.0 | 1,837.1 |
| Source:Japan Meteorological Agency[2][3] | |||||||||||||
Per Japanese census data, the population of Sera in 2020 is 15,125 people.[4] Sera has been conducting censuses since 1960.
| Year | Pop. | ±% |
|---|---|---|
| 1960 | 30,810 | — |
| 1965 | 27,028 | −12.3% |
| 1970 | 24,384 | −9.8% |
| 1975 | 23,063 | −5.4% |
| 1980 | 22,483 | −2.5% |
| 1985 | 22,306 | −0.8% |
| 1990 | 21,684 | −2.8% |
| 1995 | 20,735 | −4.4% |
| 2000 | 19,690 | −5.0% |
| 2005 | 18,866 | −4.2% |
| 2010 | 17,550 | −7.0% |
| 2015 | 16,337 | −6.9% |
| 2020 | 15,125 | −7.4% |
| Sera population statistics[4] | ||
The area of Sera was part of an ancientBingo Province. For theHeian period, Sera was an estate and market town centered on the temple of Ryuge-ji, which belonged to theShingon center ofMount Koya. The need to make shipments of rice to Mount Koya triggered the construction of a port in Onomichi. During theEdo Period, the area was part of the holdings ofHiroshima Domain and developed as apost town on the Iwami Ginzan Highway . Following theMeiji restoration, the area was organized into villages withinSera District, Hiroshima with the creation of the modern municipalities system on April 1, 1889. The villages of Omi, Nishi-Ota, and Higashi-Ota merged to become the town of Sera on January 10, 1955. On October 1, 2004, the towns ofKōzan andSeranishi, both fromSera District, were merged into the expanded town of Sera. After the merger, the former Sera Town Hall officially closed down and the new town hall is now located in the former town of Kōzan.
Sera has amayor-council form of government with a directly elected mayor and aunicameral town council of 12 members. Sera, together with the city of Mihara contributes three members to the Hiroshima Prefectural Assembly. In terms of national politics, the town is part of the Hiroshima 6th district of thelower house of theDiet of Japan.
The economy of Sera is largely agricultural, withmatsutake mushrooms, pears, tomatoes, and rice as major crops. Although it has a population of less than 20,000, it is also a transportation hub, so it is the center of commerce in the centralBingo region with large supermarkets, home appliance mass retailers, and home centers. In addition, the highlands in the town are relatively cool in the summer, and are attracting attention as a summer resort because of its convenient transportation.
Sera has four public elementary schools and three public junior high schools operated by the town government, and one public high school operated by the Hiroshima Prefectural Board of Education.
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