The most pleasant months of the year for the 59636 zip code are August, June and July. In the 59636 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 59636 zip code with an average high temperature of 83.2°, which ranks it as cooler than most places in Montana. December is the snowiest month in the 59636 zip code with 6.1 inches of snow, and 9 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.