The most pleasant months of the year for Mount Laguna are June, September and October. In Mount Laguna, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Mount Laguna with an average high temperature of 86.1°, which ranks it as cooler than most places in California. February is the snowiest month in Mount Laguna with 4.1 inches of snow, and 6 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.