In October, the weather in Guarapuava is typically warm. Average daily high temperature in October is about 22 degrees above zero. On average, Guarapuava has 20 rainy, 7 sunny, 2 cloudy, and 2 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and November is considered the most uncomfortable time to visit Guarapuava.