March in Sunshine Coast is the rainiest month of the year. In March, the weather in Sunshine Coast is typically warm. Average daily high temperature in March is about 27 degrees above zero. On average, Sunshine Coast has 17 rainy, 10 sunny, 3 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, and December is considered the most uncomfortable time to visit Sunshine Coast.