Sea Temperature in Bay Saint Louis in December

Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Bay Saint Louis in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Bay Saint Louis. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Bay Saint Louis in December

12°C

MINIMUN

15.5°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in December in Bay Saint Louis

Water Temperature Chart for Gulf of Mexico (Gulf of America) in Bay Saint Louis in December

Sea Temperature Table in Bay Saint Louis in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	18°C	16°C	17°C	16.5°C
Dec 2	17°C	16°C	16°C	16.3°C
Dec 3	17°C	16°C	16°C	16.0°C
Dec 4	17°C	16°C	16°C	16.3°C
Dec 5	16°C	16°C	16°C	16.0°C
Dec 6	16°C	16°C	16°C	16.0°C
Dec 7	16°C	16°C	16°C	16.0°C
Dec 8	14°C	15°C	16°C	15.5°C
Dec 9	15°C	14°C	16°C	15.5°C
Dec 10	15°C	16°C	17°C	16.3°C
Dec 11	15°C	16°C	17°C	16.3°C
Dec 12	14°C	16°C	17°C	16.0°C
Dec 13	14°C	15°C	17°C	15.8°C
Dec 14	14°C	15°C	17°C	16.0°C
Dec 15	14°C	14°C	18°C	16.0°C
Dec 16	14°C	14°C	18°C	16.0°C
Dec 17	14°C	14°C	18°C	15.8°C
Dec 18	14°C	14°C	17°C	15.8°C
Dec 19	15°C	14°C	16°C	15.8°C
Dec 20	15°C	14°C	16°C	15.5°C
Dec 21	15°C	13°C	16°C	15.5°C
Dec 22	14°C	12°C	16°C	14.5°C
Dec 23	14°C	13°C	15°C	14.5°C
Dec 24	14°C	13°C	15°C	14.5°C
Dec 25	14°C	14°C	14°C	14.5°C
Dec 26	13°C	13°C	13°C	13.8°C
Dec 27	14°C	14°C	13°C	14.3°C
Dec 28	14°C	14°C	12°C	14.0°C
Dec 29	14°C	14°C	13°C	14.5°C
Dec 30	14°C	13°C	13°C	14.3°C

Bay Saint Louis Climate and Swimming Opportunities in December

18°C

Average Day Air Temperature

8°C

Average Night Air Temperature

107 mm

Precipitation Amount per Month

9 days

Number of Rainy Days

10 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

14 km/h

Average Wind Speed

75%

Average
humidity

Bay Saint Louis lies within the Mississippi in United States. The average daytime temperature in Bay Saint Louis in December is 64°F (18°C), while the nighttime average is 47°F (8°C). There are typically nine rainy days during the month, with a total precipitation of 4.2 inches (107 mm). The daylight duration in December in Bay Saint Louis is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 9 mph (14 km/h), and the humidity level is around 75%.

The water temperature in Bay Saint Louis in December ranges from 55°F to 63°F (13°C to 17°C). At the beginning of the month, the average temperature is around 61°F (16°C), shifting to 61°F (16°C) by mid-December and reaching 59°F (15°C) in the last ten days. Overall, the average sea temperature in Bay Saint Louis for December is 61°F (16°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Bay Saint Louis

What is the sea temperature in Bay Saint Louis in December?

The water temperature in the Gulf of Mexico (Gulf of America) in Bay Saint Louis in December ranges from 55°F to 63°F (13°C to 17°C).

Is it possible to swim in the Gulf of Mexico (Gulf of America) in Bay Saint Louis in December?

The average sea temperature in Bay Saint Louis in December is 61°F (16°C), and the air temperature is 64°F (18°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.