In December, the weather in North York is typically freezing. Average daily high temperature in December is about 1 degree above zero. On average, North York has 12 cloudy, 8 partly cloudy, 4 snowy, 4 sunny, and 3 rainy days in December. The snowfalls are usually moderate. December as well as February, March, April, and October is considered the most uncomfortable time to visit North York.