The highest day temperature in October 2025 was 90°F. The lowest night temperature was 50°F. The average values for day and night temperatures during October were 82.3°F и 72.3°F respectivly.

The average sea surface temperature in October 2025 for Bay Saint Louis was 80.9°F. The maximum and minimum values were 74.2°F and 87.2°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Bay Saint Louis is 1.3 in.

The average wind speed in October is 8.0 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bay Saint Louis in October is 8.7 hours.