January in Nablus is the rainiest, the cloudiest, and 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 13 rainy, 10 partly cloudy, and 8 sunny days in January. The rains are usually heavy. January as well as February is considered the most uncomfortable time to visit Nablus.