February in Joinville is the warmest month of the year. In February, the weather in Joinville is typically warm. Average daily high temperature in February is about 27 degrees above zero. On average, Joinville has 24 rainy, 3 sunny, and 2 cloudy days in February. The rains are usually heavy. February as well as January, March, October, and November is considered the most uncomfortable time to visit Joinville.