April in Port Douglas is the windiest month of the year. In April, the weather in Port Douglas is typically warm. Average daily high temperature in April is about 26 degrees above zero. On average, Port Douglas has 19 rainy, 6 sunny, 4 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and December is considered the most uncomfortable time to visit Port Douglas.