May in Shilavo is the cloudiest month of the year. In May, the weather in Shilavo is typically hot. Average daily high temperature in May is about 30 degrees above zero. On average, Shilavo has 16 rainy, 6 cloudy, 6 partly cloudy, and 3 sunny days in May. The rains are usually heavy. May as well as April and October is considered the most uncomfortable time to visit Shilavo.