Key West Weather in December

What's the weather like in Key West (Florida) in December 2024?

The climate in Key West during December can be summarized as warm, humid and reasonably dry.

December is in the winter in Key West and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 18°C (64°F) is normal.

Key West weather averages (imperial / metric)
Daytime temperature 24.4°C 75.9°F
Nightly temperature 18°C 64.4°F
Average temperature 21.2°C 70.2°F
Daily sunshine 8 hrs
Avg rainfall 45 mm 1.8 ins
Rainy days 6 days
Sea temperature 25°C 77°F
Humidity 76%
Windspeed 17.3kph 11 mph

On average December is the 2nd driest month of the year in Key West with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

December temperatures in Key West

Key West average temperature in December

December rainfall

Key West average rain in December

December hourly sunshine

Key West average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Key West in December 2024.