The most pleasant months of the year for the 59756 zip code are July, August and June. In the 59756 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 59756 zip code with an average high temperature of 78.1°, which ranks it as one of the coolest places in Montana. March is the snowiest month in the 59756 zip code with 10.4 inches of snow, and 9 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.