In December, the weather in Novyy Sad is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Novyy Sad has 12 rainy, 11 cloudy, 5 sunny, and 3 partly cloudy days in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit Novyy Sad.