Ōshika, Nagano
Geography. Ōshika is located mountainous southern of Nagano Prefecture, between the Ina Mountains and the Akaishi Mountains, with the Japan Median Tectonic Line passing through the southern portion of the village. Demographics. Per Japanese census data, the population of Ōshika has declined rapidly over the past 50 years. Climate. The village has a climate characterized by hot and humid summers, and cold winters (Köppen climate classification "Cfa"). The average annual temperature in Ōshika is 10.5 °C. The average annual rainfall is 1655 mm with September as the wettest month. The temperatures are highest on average in August , at around 22.8 °C, and lowest in January, at around -1.5 °C. History. The area of present-day Ōshika was part of ancient Shinano Province. During the Edo period, the area was part of the "tenryō" territories administered directly by the Tokugawa shogunate. The present village of Ōshika was established on April 1, 1889 with the establishment of the modern municipalities system. Education. Ōshika has one public elementary school and one public middle school operated by the village government. The village does not have a high school.