January in San Juan de los Morros is the sunniest month of the year. In January, the weather in San Juan de los Morros is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, San Juan de los Morros has 12 sunny, 12 partly cloudy, 5 rainy, and 2 cloudy days in January. The rains are usually light. January as well as February is considered the most comfortable time to visit San Juan de los Morros.