The most pleasant months of the year for Lupton are September, June and May. In Lupton, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Lupton with an average high temperature of 86.0°, which ranks it as one of the coolest places in Arizona. December is the snowiest month in Lupton with 4.2 inches of snow, and 6 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.