The most pleasant months of the year for Slana are July, June and August. In Slana, there are 0 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Slana with an average high temperature of 66.5°, which ranks it as warmer than most places in Alaska. November is the snowiest month in Slana with 11.3 inches of snow, and 9 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.