Current sea water temperature:
+56.8°F
| Minimum sea water temperature in December: | 68.7°F |
| Maximum sea water temperature in December: | 52.3°F |
| Average sea water temperature in December: | 60.6°F |
| more information | |
14 days
forecast
forecast
| Bay Saint Louis |
monthly
weather
weather
| Bay Saint Louis |
Sea water temperature for the last 10 days:
| December 21 | 56.8°F | December 16 | 57.4°F |
| December 20 | 56.3°F | December 15 | 59.9°F |
| December 19 | 57.0°F | December 14 | 61.5°F |
| December 18 | 56.8°F | December 13 | 57.6°F |
| December 17 | 56.7°F | December 12 | 59.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Bay Saint Louis?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bay Saint Louis was noticed in August, July and June.
Monthly Sea Temperatures in Bay Saint Louis, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.5°F and 84.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 87.2°F. The highest and lowest sea temperatures during the month were 88.9°F and 85.8°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 87.3°F and 82.4°F.
current
weather
weather
| Bay Saint Louis |
weather in
December
December
| Bay Saint Louis |
Best time for vacation in Bay Saint Louis
Bay Saint Louis on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bay Saint Louis
Local time: 02:46
December 21, sunday
0300
59°F
N
5 mph
5 mph
0600
59°F
N
3 mph
3 mph
0900
63°F
NW
5 mph
5 mph
1200
64°F
NW
6 mph
6 mph
1500
66°F
NW
6 mph
6 mph
1800
66°F
W
6 mph
6 mph
2100
64°F
W
6 mph
6 mph
December 22, monday
0000
63°F
W
7 mph
7 mph
