December weather forecast in Saint John's

In December, the weather in Saint John's is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Saint John's has 12 rainy, 11 cloudy, 6 snowy, and 2 sunny days in December. The rains are usually heavy. December as well as April, May, June, and October is considered the most uncomfortable time to visit Saint John's.