In December, the weather in Manley Hot Springs is typically freezing. Average daily high temperature in December is about 15 degrees below zero. On average, Manley Hot Springs has 13 cloudy, 9 partly cloudy, 7 sunny, and 2 snowy days in December. The snowfalls are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Manley Hot Springs.