December in Port Hardy is the windiest and the coldest month of the year. In December, the weather in Port Hardy is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Port Hardy has 19 rainy, 6 partly cloudy, 4 cloudy, and 2 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Port Hardy.