December in Key West typically offers a pleasant tropical climate, characterized by warm temperatures, sunshine, and moderate humidity. Average highs range in the low 70s Fahrenheit (low 20s Celsius), while average lows settle in the high 60s Fahrenheit (high teens Celsius). Rainfall is relatively low during this month, contributing to the island’s dry season. This period offers a comfortable escape from colder continental climates.
The agreeable climate of Key West during this period makes it a desirable destination for tourists seeking outdoor activities such as swimming, snorkeling, fishing, and boating. Historically, this time of year has coincided with increased tourism to the island, benefiting the local economy and providing visitors an opportunity to experience the unique culture and environment. The relatively dry and sunny conditions also make it an ideal time for exploring the island’s historical sites and natural attractions.
