Clayton, in Ohio, United States, is home to roughly 13,100 people in the Eastern Time Zone at 39.9°N latitude.
In 2025, Clayton recorded an average annual temperature of 52°F. The hottest temperatures reached 90°F in June; the coolest were -8°F in January. Total precipitation for the year was 43 inches, with the wettest month being April. Snowfall for the year totaled approximately 7 inches.
View current conditions and forecast for Clayton · More cities in Ohio