December in Trostianets is the windiest month of the year. In December, the weather in Trostianets is typically cold. Average daily high temperature in December is about zero. On average, Trostianets has 15 cloudy, 4 rainy, 4 snowy, 4 sunny, and 4 partly cloudy days in December. The rains are usually moderate. December as well as March, April, and November is considered the most uncomfortable time to visit Trostianets.