May in Spindleruv Mlyn is the rainiest month of the year. In May, the weather in Spindleruv Mlyn is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Spindleruv Mlyn has 25 rainy, 5 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as March, April, June, and July is considered the most uncomfortable time to visit Spindleruv Mlyn.