April in Bolshaya Usa is the windiest month of the year. In April, the weather in Bolshaya Usa is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Bolshaya Usa has 17 rainy, 10 cloudy, 2 sunny, and 1 partly cloudy day in April. The rains are usually moderate. April as well as January, February, September, and October is considered the most uncomfortable time to visit Bolshaya Usa.