About Owasso, OK's Climate & Weather History

With a population of around 34,500, Owasso sits in Oklahoma, United States. The city operates in the Central Time Zone.

In 2025, Owasso recorded an average annual temperature of 61°F. The hottest temperatures reached 97°F in July; the coolest were -0°F in February. Total precipitation for the year was 57 inches, with the wettest month being June. Snowfall for the year totaled approximately 3 inches.