March in New Smyrna Beach is the windiest month of the year. In March, the weather in New Smyrna Beach is typically warm. Average daily high temperature in March is about 22 degrees above zero. On average, New Smyrna Beach has 11 sunny, 10 partly cloudy, 8 rainy, and 2 cloudy days in March. The rains are usually moderate. March as well as February, April, and December is considered the most comfortable time to visit New Smyrna Beach.