January in Leon is the coldest month of the year. In January, the weather in Leon is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Leon has 9 rainy, 8 cloudy, 8 partly cloudy, and 6 sunny 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 Leon.