In August, the weather in Zhangjiakou is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Zhangjiakou has 15 sunny, 12 partly cloudy, 2 rainy, and 2 cloudy days in August. The rains are usually light. August as well as May, June, July, and September is considered the most comfortable time to visit Zhangjiakou.