The most pleasant months of the year for the 83866 zip code are July, August and September. In the 83866 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the 83866 zip code with an average high temperature of 79.2°, which ranks it as one of the coolest places in Idaho. December is the snowiest month in the 83866 zip code with 17.9 inches of snow, and 6 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.