Summer days are not to hot and the night have a cool temprature. July has an average daytime high of 83 degrees and at nighttime a low of 47 degrees. Precipitation mostly comes from afternoon thundershowers. This usualy accures during mid to late summer. Weather in the Spring and fall is highly unpredictable. Visit Utah Weather.net for the current weather conditions in the park.

Cold winter days are offset by high altitude sun and dry climate. Winter nights are sub-freezing. During some winters, Alaskan cold fronts descend on the Colorado Plateau region bringing temperatures as low as 30 degrees below zero. Although March is the snowiest month, the area can have snowstorms from October through April. Annual snowfall averages 95 inches, providing opportunities for cross-country skiing and snowshoeing.