Baton Rouge Weather in December

The climate in Baton Rouge during December can be summarized as mild and wet.

December is in the winter in Baton Rouge and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 6°C (42°F) is normal.

On average December is the 3rd wettest month of the year in Baton Rouge with around 142mm 5.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.5 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 Baton Rouge in December 2024.