December in Livorno is the rainiest month of the year. In December, the weather in Livorno is typically warm. Average daily high temperature in December is about 11 degrees above zero. On average, Livorno has 12 sunny, 11 rainy, 7 partly cloudy, and 1 cloudy day in December. The rains are usually moderate. December as well as January, February, and November is considered the most uncomfortable time to visit Livorno.