March in Forte dei Marmi is the rainiest month of the year. In March, the weather in Forte dei Marmi is typically warm. Average daily high temperature in March is about 10 degrees above zero. On average, Forte dei Marmi has 18 rainy, 9 sunny, and 4 partly cloudy days in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Forte dei Marmi.