About Willoughby Hills, OH's Climate & Weather History

With a population of around 9,400, Willoughby Hills sits in Ohio, United States. The city operates in the Eastern Time Zone.

In 2025, Willoughby Hills recorded an average annual temperature of 51°F. The hottest temperatures reached 93°F in July; the coolest were -9°F in January. Total precipitation for the year was 49 inches, with the wettest month being May. Snowfall for the year totaled approximately 19 inches.