August in Sovetskaya Gavan is the warmest month of the year. In August, the weather in Sovetskaya Gavan is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Sovetskaya Gavan has 12 rainy, 7 sunny, 6 cloudy, and 6 partly cloudy days in August. The rains are usually moderate.