March in Castelnuovo Berardenga is the windiest month of the year. In March, the weather in Castelnuovo Berardenga is typically warm. Average daily high temperature in March is about 12 degrees above zero. On average, Castelnuovo Berardenga has 11 rainy, 11 sunny, and 9 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 Castelnuovo Berardenga.