Sanibel Weather in December

The climate in Sanibel during December can be summarized as warm and reasonably dry.

December is in the winter in Sanibel and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 24°C (76°F), whilst at night 13°C (55°F) is normal.

On average December is the 3rd driest month of the year in Sanibel with around 41mm 1.6 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 7.5 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 Sanibel in December 2024.