December in Khmelnytskyi is the windiest month of the year. In December, the weather in Khmelnytskyi is typically cold. Average daily high temperature in December is about zero. On average, Khmelnytskyi has 19 cloudy, 5 rainy, 3 sunny, 3 partly cloudy, and 1 snowy day in December. The rains are usually light. December as well as March and April is considered the most uncomfortable time to visit Khmelnytskyi.