World Resorts USA Bay Saint Louis Weather

Bay Saint Louis Sea Temperature in December

Average sea water temperature in December:
+60.6°F
Minimum sea water temperature in December: 68.7°F
Maximum sea water temperature in December: 52.3°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 61.4°F. The highest and lowest sea temperatures during the month were 66.4°F and 56.3°F.

Monthly sea water temperature in Bay Saint Louis, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
West Palm Beach 79.2°F 78.4°F
Fort Lauderdale 78.9°F 77.6°F
Honolulu 78.7°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.4°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.8°F 75.9°F
Oahu 77.2°F 77.2°F
Islamorada 77.0°F 73.4°F
Key Largo 76.8°F 73.1°F
Key West 76.4°F 72.6°F
Miami 76.1°F 73.0°F
Everglades 74.2°F 69.7°F
Marco Island 72.1°F 68.0°F
Naples 71.7°F 67.7°F
Cape Coral 71.5°F 67.8°F
South Padre Island 71.4°F 71.9°F
Sanibel Island 71.1°F 67.1°F
Siesta Key 69.5°F 65.6°F

Best time for vacation in Bay Saint Louis

Sunniest months:
October 20 days
September 16 days
November 14 days
Warmest months:
August 88.3 °F
July 88.2 °F
June 86.7 °F
Warmest sea temp:
August 86.9 °F
July 86.4 °F
June 83.9 °F
Coldest months:
January 57.5 °F
February 61.2 °F
December 61.8 °F
Rainiest months:
August 5 days
July 5 days
June 4 days
Windiest months:
April 9.1 mph
March 9.1 mph
January 8.8 mph

Bay Saint Louis on a weather map

Bay Saint Louis
+59°F
W 2 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+73°F
+73°F
+50°F
+61°F
+70°F
+75°F
+64°F
+37°F
+61°F
+55°F
+61°F
+61°F
+68°F
+36°F
24 Hours Forecast
Bay Saint Louis
Local time: 06:59
December 24, wednesday
0900
59°F
SW
4 mph
1200
59°F
W
4 mph
1500
59°F
NW
5 mph
1800
61°F
NW
4 mph
2100
61°F
N
4 mph
December 25, thursday
0000
59°F
N
3 mph
0300
59°F
NE
5 mph
0600
57°F
SE
2 mph
Units of measurement: °C / °F