December in Khmelnitsky is the windiest month of the year. In December, the weather in Khmelnitsky is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Khmelnitsky has 20 cloudy, 5 snowy, 3 sunny, and 3 partly cloudy days in December. The snowfalls are usually light. December as well as January and February is considered the most uncomfortable time to visit Khmelnitsky.