May in Borisovo is the rainiest and the windiest month of the year. In May, the weather in Borisovo is typically warm. Average daily high temperature in May is about 12 degrees above zero. On average, Borisovo has 24 rainy, 4 sunny, and 3 cloudy days in May. The rains are usually moderate. May as well as January, February, April, and October is considered the most uncomfortable time to visit Borisovo.