December in Nesebar is the windiest month of the year. In December, the weather in Nesebar is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Nesebar has 11 partly cloudy, 9 rainy, 9 sunny, and 2 cloudy days in December. The rains are usually moderate. December as well as January, February, and March is considered the most uncomfortable time to visit Nesebar.