In April, the weather in Bolshoy Vyas is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Bolshoy Vyas has 11 rainy, 10 cloudy, 5 sunny, and 4 partly cloudy days in April. The rains are usually light. April as well as January, March, October, and November is considered the most uncomfortable time to visit Bolshoy Vyas.