March in Moncton is the windiest month of the year. In March, the weather in Moncton is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Moncton has 8 sunny, 8 cloudy, 8 partly cloudy, 4 snowy, and 3 rainy days in March. The snowfalls are usually heavy. March as well as April, May, October, and November is considered the most uncomfortable time to visit Moncton.