In March, the weather in Vasteras is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Vasteras has 11 partly cloudy, 9 cloudy, 7 sunny, 3 rainy, 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 Vasteras.