August in Bol'shoy Lug is the sunniest month of the year. In August, the weather in Bol'shoy Lug is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Bol'shoy Lug has 12 rainy, 10 sunny, 8 partly cloudy, and 1 cloudy day in August. The rains are usually heavy.