April in Bonaventure is the rainiest month of the year. In April, the weather in Bonaventure is typically cold. Average daily high temperature in April is about 4 degrees above zero. On average, Bonaventure has 12 rainy, 12 cloudy, 3 sunny, and 3 partly cloudy days in April. The rains are usually heavy. April as well as October and November is considered the most uncomfortable time to visit Bonaventure.