December in Peace River is the most freezing month of the year. In December, the weather in Peace River is typically freezing. Average daily high temperature in December is about 10 degrees below zero. On average, Peace River has 21 cloudy, 4 sunny, 4 partly cloudy, and 2 snowy days in December. The snowfalls are usually light. December as well as January and April is considered the most uncomfortable time to visit Peace River.