July in Bolshaya Chernaya is the warmest month of the year. In July, the weather in Bolshaya Chernaya is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Bolshaya Chernaya has 15 rainy, 7 sunny, 6 partly cloudy, and 3 cloudy days in July. The rains are usually moderate.