January in Coral Harbour is the sunniest month of the year. In January, the weather in Coral Harbour is typically freezing. Average daily high temperature in January is about 25 degrees below zero. On average, Coral Harbour has 13 sunny, 8 partly cloudy, 7 cloudy, and 3 snowy days in January. The snowfalls are usually light. January as well as February, March, April, and November is considered the most uncomfortable time to visit Coral Harbour.