In April, the weather in Coral Harbour is typically freezing. Average daily high temperature in April is about 10 degrees below zero. On average, Coral Harbour has 9 partly cloudy, 8 sunny, 8 cloudy, and 5 snowy days in April. The snowfalls are usually light. April as well as January, February, March, and November is considered the most uncomfortable time to visit Coral Harbour.