January in Campbell River is the snowiest and the cloudiest month of the year. In January, the weather in Campbell River is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Campbell River has 15 rainy, 7 cloudy, 6 partly cloudy, 2 sunny, and 1 snowy day in January. The rains are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit Campbell River.