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 averaged an annual temperature of 61°F, with hottest temperatures reaching 106°F in August and lowest around 25°F in February. The city received approximately 45 inches of precipitation during the year.
View historical weather for Kumagaya · More cities in Saitama