January in San Pedro de Ycuamandiyú is the hottest month of the year. In January, the weather in San Pedro de Ycuamandiyú is typically hot. Average daily high temperature in January is about 33 degrees above zero. On average, San Pedro de Ycuamandiyú has 12 rainy, 8 sunny, 7 partly cloudy, and 4 cloudy days in January. The rains are usually heavy. January as well as February and December is considered the most uncomfortable time to visit San Pedro de Ycuamandiyú.