December in Kitchener is the windiest and the cloudiest month of the year. In December, the weather in Kitchener is typically freezing. Average daily high temperature in December is about 1 degree below zero. On average, Kitchener has 16 snowy, 10 cloudy, 4 rainy, and 1 sunny day in December. The snowfalls are usually moderate. December as well as March, April, October, and November is considered the most uncomfortable time to visit Kitchener.