April in North Bay is the windiest month of the year. In April, the weather in North Bay is typically warm. Average daily high temperature in April is about 9 degrees above zero. On average, North Bay has 8 rainy, 8 sunny, 8 cloudy, 5 partly cloudy, and 1 snowy day in April. The rains are usually heavy. April as well as March, October, and November is considered the most uncomfortable time to visit North Bay.