January in Montpellier is the cloudiest and the coldest month of the year. In January, the weather in Montpellier is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Montpellier has 11 sunny, 9 rainy, 8 partly cloudy, and 3 cloudy days in January. The rains are usually heavy. January as well as February, November, and December is considered the most uncomfortable time to visit Montpellier.