January in Tripoli is the rainiest, the windiest, and the cloudiest month of the year. In January, the weather in Tripoli is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Tripoli has 13 sunny, 10 rainy, and 8 partly cloudy days in January. The rains are usually heavy. January as well as December is considered the most uncomfortable time to visit Tripoli.