January in Toulouse is the cloudiest and the coldest month of the year. In January, the weather in Toulouse is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Toulouse has 20 rainy, 5 sunny, 4 cloudy, and 2 partly cloudy days in January. The rains are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Toulouse.