About Fernandina Beach, FL's Climate & Weather History

With a population of around 12,300, Fernandina Beach sits in Florida, United States. The city operates in the Eastern Time Zone.

In 2025, Fernandina Beach recorded an average annual temperature of 69°F. The hottest temperatures reached 96°F in July; the coolest were 30°F in January. Total precipitation for the year was 51 inches, with the wettest month being August.