Nishiawakura has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with moderate snowfall. The average annual temperature in Nishiawakura is 11.9 °C. The average annual rainfall is 1981 mm with September as the wettest month. The temperatures are highest on average in January, at around 23.8 °C, and lowest in January, at around 0.1 °C. Nishiawakura climate data
