Kumagaya, in Saitama, Japan, is home to roughly 195,000 people in the Japan Standard Time zone at 36.1°N latitude.
In 2025, Kumagaya recorded an average annual temperature of 61°F. The hottest temperatures reached 106°F in August; the coolest were 25°F in February. Total precipitation for the year was 45 inches, with the wettest month being May. Snowfall for the year totaled approximately 4 inches.
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