The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classificationCfa). The average annual temperature in Ina is 11.7 °C (53.1 °F). The average annual rainfall is 1,454.0 mm (57.24 in) with July as the wettest month. The temperatures are highest on average in August, at around 24.0 °C (75.2 °F), and lowest in January, at around −0.7 °C (30.7 °F).[3]
Climate data for Ina (1993−2020 normals, extremes 1993−present)
The area of present-day Ina was part of ancient Shinano Province. The area was part of the holdings of Takatō Domain during the Edo period and Ina developed as a jōkamachi surrounding Ina Castle and as a river port on the Tenryū River. The village of Ina was established within Ina District the creation of the municipalities system on April 1, 1889 and was raised to town status on October 15, 1897. The town of Ina merged with the villages of Tomigata, Misuzu, Tera, Higashiharuchika and Nishiminowa (all from Kitaiina District) to form the city of Ina on April 1, 1954. Ina annexed the village of Nishiharuchika in 1965. On March 31, 2006, Ina absorbed the town of Takatō, and the village of Hase (both from Kamiina District to create the new and expanded city of Ina.
Demographics
Per Japanese census data,[5] the population of Ina has remained relatively stable over the past 70 years.
Historical population
Year
Pop.
±%
1940
60,997
—
1950
72,314
+18.6%
1960
68,691
−5.0%
1970
65,347
−4.9%
1980
67,544
+3.4%
1990
70,639
+4.6%
2000
71,552
+1.3%
2010
71,100
−0.6%
2020
66,125
−7.0%
Government
Ina has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 21 members.
Economy
The economy of Ina is largely agricultural, with rice, pears, tomatoes and dairy farming as major components. The manufacturing sector includes electronics and precision instrumentation.[6]Rubycon Corporation, an electronic components company has its headquarters in the city.[7]
Education
Ina has 15 public elementary schools and six public middle schools operated by the city government. There are three public high schools operated by the Nagano Prefectural Board of Education and one private high school. The prefecture also operated one special education school.
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