About Basalt, CO's Climate & Weather History

Basalt, in Colorado, United States, is home to roughly 3,900 people in the Mountain Time Zone at 39.4°N latitude.

In 2025, Basalt recorded an average annual temperature of 46°F. The hottest temperatures reached 94°F in August; the coolest were -24°F in January. Total precipitation for the year was 13 inches, with the wettest month being February. Snowfall for the year totaled approximately 21 inches.