About Louisville, CO's Climate & Weather History

Louisville is a city of approximately 20,400 people in Colorado, United States. Located in the Mountain Time Zone at 40°N latitude.

In 2025, Louisville recorded an average annual temperature of 51°F. The hottest temperatures reached 100°F in July; the coolest were -14°F in January. Total precipitation for the year was 21 inches, with the wettest month being May. Snowfall for the year totaled approximately 12 inches.