January in Mashhad is the coldest month of the year. In January, the weather in Mashhad is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Mashhad has 21 sunny, 9 partly cloudy, and 1 rainy day in January. The rains are usually light. January as well as February and December is considered the most uncomfortable time to visit Mashhad.