About Dewey Humboldt, AZ's Climate & Weather History

With a population of around 3,900, Dewey Humboldt sits in Arizona, United States. The city operates in the Mountain Time Zone.

In 2025, Dewey Humboldt recorded an average annual temperature of 61°F. The hottest temperatures reached 101°F in August; the coolest were 21°F in January. Total precipitation for the year was 15 inches, with the wettest month being November. Snowfall for the year totaled approximately 6 inches.