January in Salamanca is the coldest month of the year. In January, the weather in Salamanca is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Salamanca has 9 partly cloudy, 8 rainy, 8 sunny, and 6 cloudy days in January. The rains are usually moderate. January as well as February, March, April, and November is considered the most uncomfortable time to visit Salamanca.