April in Sherbrooke is the windiest month of the year. In April, the weather in Sherbrooke is typically cold. Average daily high temperature in April is about 8 degrees above zero. On average, Sherbrooke has 20 rainy, 5 sunny, 4 partly cloudy, and 1 cloudy day in April. The rains are usually moderate. April as well as March, May, June, and October is considered the most uncomfortable time to visit Sherbrooke.