August in Usinsk is the rainiest and the cloudiest month of the year. In August, the weather in Usinsk is typically warm. Average daily high temperature in August is about 15 degrees above zero. On average, Usinsk has 15 rainy, 7 cloudy, 7 partly cloudy, and 2 sunny days in August. The rains are usually moderate. August as well as January, February, May, and September is considered the most uncomfortable time to visit Usinsk.