November in Porto Ercole is the rainiest month of the year. In November, the weather in Porto Ercole is typically warm. Average daily high temperature in November is about 16 degrees above zero. On average, Porto Ercole has 15 sunny, 11 rainy, and 4 partly cloudy days in November. The rains are usually heavy. November as well as January, February, and December is considered the most uncomfortable time to visit Porto Ercole.