About Congress, AZ's Climate & Weather History

Congress is a city of approximately 2,000 people in Arizona, United States. Located in the Mountain Time Zone at 34.2°N latitude.

In 2025, Congress recorded an average annual temperature of 70°F. The hottest temperatures reached 108°F in August; the coolest were 28°F in January. Total precipitation for the year was 12 inches, with the wettest month being November. Snowfall for the year totaled approximately 1 inches.