In May, the weather in Saguenay is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Saguenay has 16 rainy, 9 partly cloudy, 5 sunny, and 1 cloudy day in May. The rains are usually moderate. May as well as January, February, April, and October is considered the most uncomfortable time to visit Saguenay.