In December, the weather in San José del Guaviare is typically hot. Average daily high temperature in December is about 30 degrees above zero. On average, San José del Guaviare has 17 rainy, 7 cloudy, 4 sunny, and 3 partly cloudy days in December. The rains are usually heavy. December as well as March, April, May, and June is considered the most uncomfortable time to visit San José del Guaviare.