December weather forecast in Toronto

In December, the weather in Toronto is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Toronto has 10 cloudy, 8 partly cloudy, 5 rainy, 5 sunny, and 3 snowy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Toronto.