In March, the weather in Kartuzy is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Kartuzy has 9 partly cloudy, 8 cloudy, 7 rainy, 6 sunny, and 1 snowy day in March. The rains are usually light. March as well as January, February, April, and May is considered the most uncomfortable time to visit Kartuzy.