January in Florence is the coldest month of the year. In January, the weather in Florence is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Florence has 9 cloudy, 8 rainy, 7 sunny, and 7 partly cloudy days in January. The rains are usually moderate. January as well as February, March, April, and November is considered the most uncomfortable time to visit Florence.