January in Kotlik is the sunniest and the most freezing month of the year. In January, the weather in Kotlik is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Kotlik has 16 cloudy, 6 partly cloudy, 5 sunny, and 4 snowy days in January. The snowfalls are usually light. January as well as February, March, July, and August is considered the most uncomfortable time to visit Kotlik.