January in Ponta Grossa is the rainiest month of the year. In January, the weather in Ponta Grossa is typically warm. Average daily high temperature in January is about 24 degrees above zero. On average, Ponta Grossa has 27 rainy and 4 sunny days in January. The rains are usually heavy. January as well as February, March, October, and November is considered the most uncomfortable time to visit Ponta Grossa.