The most pleasant months of the year for the 81129 zip code are July, August and June. In the 81129 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 81129 zip code with an average high temperature of 78.8°, which ranks it as cooler than most places in Colorado. March is the snowiest month in the 81129 zip code with 14.9 inches of snow, and 8 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.