August in Ust-Kozlukha is the sunniest month of the year. In August, the weather in Ust-Kozlukha is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Ust-Kozlukha has 19 sunny, 8 rainy, and 4 partly cloudy days in August. The rains are usually light. August as well as June is considered the most comfortable time to visit Ust-Kozlukha.