In December, the weather in Kasigluk is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Kasigluk has 11 cloudy, 8 partly cloudy, 6 snowy, 5 sunny, and 1 rainy day in December. The snowfalls are usually light. December as well as January, April, May, and July is considered the most uncomfortable time to visit Kasigluk.