February in Cagliari is the windiest and the coldest month of the year. In February, the weather in Cagliari is typically warm. Average daily high temperature in February is about 12 degrees above zero. On average, Cagliari has 13 sunny, 11 partly cloudy, and 5 rainy days in February. The rains are usually light. February as well as January is considered the most uncomfortable time to visit Cagliari.