January in Cala Bona is the coldest month of the year. In January, the weather in Cala Bona is typically warm. Average daily high temperature in January is about 14 degrees above zero. On average, Cala Bona has 11 sunny, 9 partly cloudy, 8 rainy, and 3 cloudy days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Cala Bona.