January in Parkersburg is the snowiest and the coldest month of the year. In January, the weather in Parkersburg is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Parkersburg has 10 rainy, 8 cloudy, 5 sunny, 5 partly cloudy, and 3 snowy days in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Parkersburg.