The highest day temperature in January 2025 was 71°F. The lowest night temperature was 18°F. The average values for day and night temperatures during January were 53.4°F и 44.3°F respectivly.

The average sea surface temperature in January 2025 for Bay Saint Louis was 55.9°F. The maximum and minimum values were 50.8°F and 62.8°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

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

The average wind speed in January is 8.8 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 January is 5.9 hours.