In August, the weather in Ust-Ozernaya is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Ust-Ozernaya has 11 partly cloudy, 10 sunny, 6 rainy, and 4 cloudy days in August. The rains are usually light. August as well as June and July is considered the most comfortable time to visit Ust-Ozernaya.