April in Gatineau is the windiest month of the year. In April, the weather in Gatineau is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Gatineau has 10 rainy, 7 sunny, 7 cloudy, and 6 partly cloudy days in April. The rains are usually heavy. April as well as March, October, November, and December is considered the most uncomfortable time to visit Gatineau.