February in Florianopolis is the warmest month of the year. In February, the weather in Florianopolis is typically hot. Average daily high temperature in February is about 28 degrees above zero. On average, Florianopolis has 21 rainy, 5 partly cloudy, 2 sunny, and 1 cloudy day in February. The rains are usually heavy. February as well as January, March, October, and December is considered the most uncomfortable time to visit Florianopolis.