In December, the weather in Primorsko-Ahtarsk is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Primorsko-Ahtarsk has 14 cloudy, 8 rainy, 5 sunny, and 4 partly cloudy days in December. The rains are usually light. December as well as January, February, and March is considered the most uncomfortable time to visit Primorsko-Ahtarsk.