Miami Weather in December

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

December is in the winter in Miami and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 17°C (63°F) is normal.

On average December is the driest month of the year in Miami with around 43mm 1.7 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 7.6 hours of sunshine per day.

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 Miami in December 2025.