The most pleasant months of the year for Mount Hebron are September, June and August. In Mount Hebron, there are 2 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Mount Hebron with an average high temperature of 86.1°, which ranks it as cooler than most places in California. December is the snowiest month in Mount Hebron with 12.4 inches of snow, and 6 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.