About Bonan, Yunnan's Climate & Weather History

Bonan, in Yunnan, China, is home to roughly 55,700 people in the China Standard Time zone at 25.5°N latitude.

In 2025, Bonan recorded an average annual temperature of 63°F. The hottest temperatures reached 88°F in May; the coolest were 33°F in December. Total precipitation for the year was 69 inches, with the wettest month being July.