August in Ust-Karemsha is the sunniest month of the year. In August, the weather in Ust-Karemsha is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Ust-Karemsha has 16 sunny, 9 rainy, 5 partly cloudy, and 1 cloudy day in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Ust-Karemsha.