January in Cetara is the coldest month of the year. In January, the weather in Cetara is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Cetara has 13 rainy, 9 sunny, 6 partly cloudy, and 3 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Cetara.