January weather forecast in Salta

January in Salta is the warmest month of the year. In January, the weather in Salta is typically warm. Average daily high temperature in January is about 22 degrees above zero. On average, Salta has 18 rainy, 5 sunny, 5 cloudy, and 3 partly cloudy days in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Salta.