In February, the weather in Salto del Guairá is typically hot. Average daily high temperature in February is about 30 degrees above zero. On average, Salto del Guairá has 17 rainy, 8 sunny, and 4 partly cloudy days in February. The rains are usually heavy. February as well as January, March, and December is considered the most uncomfortable time to visit Salto del Guairá.