If you're looking for summer vibes, the best time to travel to Umuarama is in September, January and February, when the average temperature reaches 33.39 °C, while August, July and September are the 3 sunniest months of the year, with an average of 153.93 hours.
However, if you prefer colder temperatures, make sure you visit Umuarama during July, June or August to experience an average of 10.81 °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, February and April, when the average precipitation in Umuarama is 6.75 mm, while the months of January, February and March are drier, with an average of 0 mm.