In December, the weather in Leighton Township is typically freezing. Average daily high temperature in December is about zero. On average, Leighton Township has 16 snowy, 7 rainy, 5 cloudy, 2 sunny, and 1 partly cloudy day in December. The snowfalls are usually moderate. December as well as March, April, October, and November is considered the most uncomfortable time to visit Leighton Township.