January in San Pedro is the windiest and the coldest month of the year. In January, the weather in San Pedro is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, San Pedro has 11 sunny, 11 partly cloudy, 5 rainy, and 4 cloudy days in January. The rains are usually moderate. January as well as February is considered the most comfortable time to visit San Pedro.