January in Port Alsworth is the most freezing month of the year. In January, the weather in Port Alsworth is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Port Alsworth has 8 snowy, 8 sunny, 8 cloudy, and 7 partly cloudy days in January. The snowfalls are usually moderate. January as well as May, June, July, and August is considered the most uncomfortable time to visit Port Alsworth.