Sayama, in Saitama, Japan, is home to roughly 161,000 people in the Japan Standard Time zone at 35.9°N latitude.
In 2025, Sayama recorded an average annual temperature of 62°F. The hottest temperatures reached 108°F in August; the coolest were 24°F in January. Total precipitation for the year was 45 inches, with the wettest month being May. Snowfall for the year totaled approximately 3 inches.
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