About Deerfield Beach, FL's Climate & Weather History

With a population of around 79,800, Deerfield Beach sits in Florida, United States. The city operates in the Eastern Time Zone.

In 2025, Deerfield Beach recorded an average annual temperature of 76°F. The hottest temperatures reached 99°F in August; the coolest were 43°F in December. Total precipitation for the year was 54 inches, with the wettest month being September.