January in San Cristobal is the coldest month of the year. In January, the weather in San Cristobal is typically warm. Average daily high temperature in January is about 25 degrees above zero. On average, San Cristobal has 20 rainy, 5 partly cloudy, 3 sunny, and 3 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit San Cristobal.