About Greeley, CO's Climate & Weather History

With a population of around 109,000, Greeley sits in Colorado, United States. The city operates in the Mountain Time Zone.

In 2025, Greeley recorded an average annual temperature of 52°F. The hottest temperatures reached 100°F in August; the coolest were -15°F in January. Total precipitation for the year was 17 inches, with the wettest month being May. Snowfall for the year totaled approximately 8 inches.