August in Tsetserleg is the rainiest month of the year. In August, the weather in Tsetserleg is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Tsetserleg has 13 partly cloudy, 12 sunny, and 6 rainy days in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Tsetserleg.