January in Napaskiak is the sunniest and the most freezing month of the year. In January, the weather in Napaskiak is typically freezing. Average daily high temperature in January is about 10 degrees below zero. On average, Napaskiak has 9 snowy, 9 partly cloudy, 8 cloudy, and 5 sunny days in January. The snowfalls are usually light. January as well as February, April, May, and July is considered the most uncomfortable time to visit Napaskiak.