December in Amalfi is the windiest month of the year. In December, the weather in Amalfi is typically warm. Average daily high temperature in December is about 12 degrees above zero. On average, Amalfi has 14 rainy, 10 sunny, 5 partly cloudy, and 2 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Amalfi.