If you're looking for summer vibes, the best time to travel to Cascavel is in January, February and September, when the average temperature reaches 31.53 °C, while August, July and September are the 3 sunniest months of the year, with an average of 135.66 hours.
However, if you prefer colder temperatures, make sure you visit Cascavel during July, June or August to experience an average of 9.11 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during January, April and May, when the average precipitation in Cascavel is 6 mm, while the months of January, February and March are drier, with an average of 0 mm.