January in Laredo is the cloudiest month of the year. In January, the weather in Laredo is typically warm. Average daily high temperature in January is about 21 degrees above zero. On average, Laredo has 11 sunny, 9 partly cloudy, 6 cloudy, and 5 rainy days in January. The rains are usually light. January as well as February, November, and December is considered the most comfortable time to visit Laredo.