December in Tisnov is the windiest month of the year. In December, the weather in Tisnov is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Tisnov has 14 cloudy, 7 rainy, 5 snowy, 3 sunny, and 2 partly cloudy days in December. The rains are usually light. December as well as February, March, April, and May is considered the most uncomfortable time to visit Tisnov.