April in Coeur d'Alene is the windiest month of the year. In April, the weather in Coeur d'Alene is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Coeur d'Alene has 20 rainy, 5 sunny, 3 partly cloudy, and 2 cloudy days in April. The rains are usually heavy. April as well as February, March, and November is considered the most uncomfortable time to visit Coeur d'Alene.