January in Amman is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Amman is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Amman has 20 sunny, 7 partly cloudy, and 4 rainy 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 Amman.