August in Ust-Kamenogorsk is the sunniest month of the year. In August, the weather in Ust-Kamenogorsk is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Ust-Kamenogorsk has 28 sunny, 2 rainy, and 1 partly cloudy day in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Ust-Kamenogorsk.