August in Mostovskoi is the sunniest and the warmest month of the year. In August, the weather in Mostovskoi is typically hot. Average daily high temperature in August is about 27 degrees above zero. On average, Mostovskoi has 28 sunny and 3 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Mostovskoi.