July in Bolshaya Chernigovka is the sunniest and the warmest month of the year. In July, the weather in Bolshaya Chernigovka is typically warm. Average daily high temperature in July is about 27 degrees above zero. On average, Bolshaya Chernigovka has 22 sunny, 5 rainy, and 4 partly cloudy days in July. The rains are usually heavy.