Bay Saint Louis Weather in October

The climate in Bay Saint Louis during October can be summarized as warm, humid and reasonably dry.

October is in the fall / autumn in Bay Saint Louis and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 14°C (57°F) is normal.

On average October is the driest month of the year in Bay Saint Louis with around 74mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 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 Bay Saint Louis in October 2025.