With a population of around 20,900, Kisai sits in Saitama, Japan. The city operates in the Japan Standard Time zone.
In 2025, Kisai recorded an average annual temperature of 61°F. The hottest temperatures reached 104°F in August; the coolest were 25°F in February. Total precipitation for the year was 49 inches, with the wettest month being May. Snowfall for the year totaled approximately 5 inches.
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