January in Jerusalem is the rainiest and the coldest month of the year. In January, the weather in Jerusalem is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Jerusalem has 20 sunny, 7 rainy, and 4 partly cloudy days in January. The rains are usually light. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit Jerusalem.