August in Trekhostrovskaya is the sunniest month of the year. In August, the weather in Trekhostrovskaya is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Trekhostrovskaya has 26 sunny, 4 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as June, July, and September is considered the most comfortable time to visit Trekhostrovskaya.