January in Gafsa is the rainiest and the coldest month of the year. In January, the weather in Gafsa is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Gafsa has 26 sunny, 4 partly cloudy, and 1 rainy day in January. The rains are usually light. January as well as July and August is considered the most uncomfortable time to visit Gafsa.