August in Ust'-Karenga is the rainiest month of the year. In August, the weather in Ust'-Karenga is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Ust'-Karenga has 15 rainy, 8 sunny, 5 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.