July in Bolshoy Kashelak is the warmest month of the year. In July, the weather in Bolshoy Kashelak is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Bolshoy Kashelak has 11 partly cloudy, 10 rainy, 7 sunny, and 3 cloudy days in July. The rains are usually heavy.