January in Moab is the snowiest and the coldest month of the year. In January, the weather in Moab is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Moab has 16 partly cloudy, 13 sunny, 1 rainy, and 1 snowy day in January. The rains are usually light. January as well as February and December is considered the most uncomfortable time to visit Moab.