The most pleasant months of the year for the 86003 zip code are August, June and September. In the 86003 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 86003 zip code with an average high temperature of 83.4°, which ranks it as one of the coolest places in Arizona. January is the snowiest month in the 86003 zip code with 17.8 inches of snow, and 8 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.