The village has a humid continental climate characterized by short, hot and humid summers, and cold winters with heavy snowfall (Köppen climate classificationCfa). The average annual temperature in Ogawa is 10.3 °C. The average annual rainfall is 1273 mm with September as the wettest month. The temperatures are highest on average in August, at around 23.8 °C, and lowest in January, at around -2.3 °C.[3]
Demographics
Per Japanese census data,[4] the population of Ogawa has declined by more than three-quarters from its peak around 1950.
Historical population
Year
Pop.
±%
1940
8,846
—
1950
9,436
+6.7%
1960
8,283
−12.2%
1970
6,163
−25.6%
1980
5,132
−16.7%
1990
4,133
−19.5%
2000
3,620
−12.4%
2010
3,046
−15.9%
2020
2,215
−27.3%
History
The area of present-day Ogawa was part of ancient Shinano Province. The villages of Kita-Ogawa and Minami-Ogawa were created with the establishment of the modern municipalities system on April 1, 1889. The two villages merged to form the village of Ogawa on April 1, 1955.
Economy
The economy of Ogawa is agricultural, primarily rice cultivation and horticulture.
Education
Ogawa has one public elementary school and one public middle school operated by the village government. The village does not have a high school.
Transportation
Railway
Ogawa does not have any passenger railway service.
