About Shiraoka, Saitama's Climate & Weather History

Shiraoka, in Saitama, Japan, is home to roughly 52,200 people in the Japan Standard Time zone at 36°N latitude.

In 2025, Shiraoka recorded an average annual temperature of 61°F. The hottest temperatures reached 104°F in August; the coolest were 27°F in January. Total precipitation for the year was 48 inches, with the wettest month being May. Snowfall for the year totaled approximately 4 inches.