February in Portorosa is the windiest, the cloudiest, and the coldest month of the year. In February, the weather in Portorosa is typically warm. Average daily high temperature in February is about 11 degrees above zero. On average, Portorosa has 10 rainy, 10 partly cloudy, and 9 sunny days in February. The rains are usually heavy. February as well as January, March, and December is considered the most uncomfortable time to visit Portorosa.