January in Catania is the coldest month of the year. In January, the weather in Catania is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Catania has 12 rainy, 9 sunny, 8 partly cloudy, and 2 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 Catania.