January in Nablus is the coldest month of the year. In January, the weather in Nablus is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Nablus has 19 sunny, 8 rainy, and 4 partly cloudy days in January. The rains are usually moderate. January as well as February is considered the most uncomfortable time to visit Nablus.