In March, the weather in Montpelier is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Montpelier has 8 sunny, 7 partly cloudy, 6 snowy, 6 cloudy, and 4 rainy days in March. The snowfalls are usually heavy. March as well as April, May, June, and July is considered the most uncomfortable time to visit Montpelier.