February in Foz do Iguaçu is the cloudiest month of the year. In February, the weather in Foz do Iguaçu is typically hot. Average daily high temperature in February is about 29 degrees above zero. On average, Foz do Iguaçu has 21 rainy, 7 sunny, and 1 partly cloudy day in February. The rains are usually heavy. February as well as January and December is considered the most uncomfortable time to visit Foz do Iguaçu.