March in Placerville is the rainiest month of the year. In March, the weather in Placerville is typically warm. Average daily high temperature in March is about 12 degrees above zero. On average, Placerville has 12 sunny, 9 rainy, 8 partly cloudy, and 2 cloudy days in March. The rains are usually heavy. March as well as January, February, and December is considered the most uncomfortable time to visit Placerville.