January in Skyros is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Skyros is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Skyros has 14 rainy, 9 sunny, 6 partly cloudy, and 2 cloudy days in January. The rains are usually moderate. January as well as December is considered the most uncomfortable time to visit Skyros.