Nagawa is located in the center of Nagano Prefecture.
Surrounding municipalities • Nagano Prefecture •
Chino •
Matsumoto •
Shimosuwa •
Suwa •
Tateshina •
Ueda Climate The town has a climate characterized by characterized by warm and humid summers, and cold, very snowy winters (
Köppen climate classification Dfb). The average annual temperature in Nagawa is 8.9 °C. The average annual rainfall is 1388 mm with September as the wettest month. The temperatures are highest on average in August, at around 21.9 °C, and lowest in January, at around -3.6 °C. ==Demographics==