August in Komsomolsk-at-Amur is the rainiest month of the year. In August, the weather in Komsomolsk-at-Amur is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Komsomolsk-at-Amur has 14 rainy, 6 sunny, 6 cloudy, and 5 partly cloudy days in August. The rains are usually heavy.