April in Borsk is the rainiest and the windiest month of the year. In April, the weather in Borsk is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Borsk has 20 rainy, 8 cloudy, and 2 sunny days in April. The rains are usually light. April as well as January, February, May, and September is considered the most uncomfortable time to visit Borsk.