March in Oswiecim is the rainiest month of the year. In March, the weather in Oswiecim is typically cold. Average daily high temperature in March is about 7 degrees above zero. On average, Oswiecim has 14 rainy, 8 sunny, 5 partly cloudy, and 4 cloudy days in March. The rains are usually light. March as well as January, February, April, and November is considered the most uncomfortable time to visit Oswiecim.