The most pleasant months of the year for Long Barn are September, June and August. In Long Barn, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Long Barn with an average high temperature of 85.1°, which ranks it as cooler than most places in California. February is the snowiest month in Long Barn with 22.9 inches of snow, and 8 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.