About Dover, DE's Climate & Weather History

Dover, in Delaware, United States, is home to roughly 39,400 people in the Eastern Time Zone at 39.2°N latitude.

In 2025, Dover recorded an average annual temperature of 56°F. The hottest temperatures reached 96°F in June; the coolest were 12°F in January. Total precipitation for the year was 46 inches, with the wettest month being July. Snowfall for the year totaled approximately 6 inches.