Measurements:
°C
°F
Bay Saint Louis
50°F
S 11 mph
Feels like: 44°F
Precip: 60%
World Resorts USA Bay Saint Louis Weather December Weather in Bay Saint Louis

Bay Saint Louis Weather: December

Average Day Temperature: 63.1°F
Average Night Temperature: 54.0°F
Sea Water Temperature: 61.8°F
Number of Sunny Days: 11 days
Sunshine Hours: 10.2 - 10.3 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in December, °F

Select Year: 2024 2023 2022

The highest day temperature in December 2024 was 75°F. The lowest night temperature was 37°F. The average values for day and night temperatures during December were 62.3°F и 52.5°F respectivly.

Bay Saint Louis Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Bay Saint Louis was 58.7°F. The maximum and minimum values were 54.4°F and 65.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Bay Saint Louis is 1.2 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

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

Average Sunny Hours Per Day

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 December is 5.6 hours.

Best Time to Visit Bay Saint Louis
The most sunny months:
October 20 days
September 16 days
November 14 days
The most warm months:
August 92.5 °F
July 92.4 °F
June 90.8 °F
Warmest sea temperature:
August 91.0 °F
July 90.5 °F
June 87.7 °F
The most cold months:
January 58.3 °F
February 62.4 °F
December 63.1 °F
The most rainy months:
August 5 days
July 5 days
June 4 days
The most windy months:
April 9 mph
March 9 mph
January 9 mph

Bay Saint Louis on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Bay Saint Louis
Local time: 03:10
05 dec, friday
0600 50°F
S
8 mph
0900 48°F
S
8 mph
1200 52°F
S
9 mph
1500 56°F
S
5 mph
1800 56°F
SW
7 mph
2100 52°F
S
5 mph
06 dec, saturday
0000 52°F
S
2 mph
0300 50°F
SW
4 mph