February in Cairns is the rainiest and the cloudiest month of the year. In February, the weather in Cairns is typically hot. Average daily high temperature in February is about 28 degrees above zero. On average, Cairns has 20 rainy, 4 sunny, 4 cloudy, and 1 partly cloudy day in February. The rains are usually heavy. February as well as January and March is considered the most uncomfortable time to visit Cairns.