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