In March, the weather in Novaya Kosa is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Novaya Kosa has 12 partly cloudy, 9 cloudy, 8 sunny, and 2 rainy days in March. The rains are usually light. March as well as January, February, and December is considered the most uncomfortable time to visit Novaya Kosa.