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 10 cloudy, 9 sunny, 6 partly cloudy, 5 snowy, and 1 rainy day in January. The snowfalls are usually light. January as well as April, May, July, and August is considered the most uncomfortable time to visit Napaskiak.