About Dayton, TN's Climate & Weather History

Dayton is a city of approximately 7,400 people in Tennessee, United States. Located in the Eastern Time Zone at 35.5°N latitude.

In 2025, Dayton recorded an average annual temperature of 61°F. The hottest temperatures reached 97°F in June; the coolest were 11°F in January. Total precipitation for the year was 48 inches, with the wettest month being May. Snowfall for the year totaled approximately 1 inches.