December in Chornomorsk is the windiest month of the year. In December, the weather in Chornomorsk is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Chornomorsk has 13 cloudy, 8 partly cloudy, 7 sunny, and 3 rainy days in December. The rains are usually moderate. December as well as January and February is considered the most uncomfortable time to visit Chornomorsk.