January in Port Clinton is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Port Clinton is typically freezing. Average daily high temperature in January is about zero. On average, Port Clinton has 11 cloudy, 8 partly cloudy, 5 snowy, 4 sunny, and 3 rainy days in January. The snowfalls are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit Port Clinton.