In December warmest sea in Gulf of Mexico is usually observed in the following locations: Everglades, Marco Island, Naples.
Table below shows the average sea water temperature for marine resorts of Gulf of Mexico in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Everglades | 74.6°F | 69.7°F | 73.5°F |
| Marco Island | 72.4°F | 68.0°F | 70.0°F |
| Naples | 72.0°F | 67.7°F | 69.8°F |
| South Padre Island | 71.9°F | 71.9°F | 67.9°F |
| Cape Coral | 71.8°F | 67.8°F | 68.9°F |
| Sanibel Island | 71.5°F | 67.1°F | 68.6°F |
| Siesta Key | 70.0°F | 65.6°F | 66.9°F |
| Sarasota | 69.8°F | 65.6°F | 66.8°F |
| Tampa | 68.5°F | 65.5°F | 66.2°F |
| Orlando | 68.4°F | 66.0°F | 66.4°F |
| Daytona Beach | 68.2°F | 65.8°F | 65.5°F |
| St. Petersburg | 67.9°F | 64.3°F | 65.4°F |
| Mustang Island | 67.3°F | 67.5°F | 64.8°F |
| Clearwater Beach | 67.2°F | 62.9°F | 64.4°F |
| Fort Walton Beach | 66.9°F | 67.1°F | 65.2°F |
| Destin | 66.7°F | 66.5°F | 64.8°F |
| Corpus Christi | 66.7°F | 66.5°F | 65.5°F |
| Port Aransas | 66.7°F | 67.5°F | 64.5°F |
| Miramar Beach | 66.4°F | 66.5°F | 64.6°F |
| Santa Rosa Beach | 65.9°F | 66.0°F | 64.0°F |
| Pensacola Beach | 65.8°F | 66.7°F | 64.3°F |
| Panama City Beach | 65.4°F | 65.0°F | 63.2°F |
| St. Augustine | 65.3°F | 63.7°F | 64.1°F |
| Grand Isle | 64.8°F | 65.9°F | 65.0°F |
| Avery Island | 64.7°F | 60.3°F | 59.8°F |
| Mobile | 64.2°F | 61.1°F | 60.5°F |
| St. George Island | 64.1°F | 62.2°F | 60.9°F |
| Gulf Shores | 64.1°F | 64.3°F | 63.1°F |
| Galveston Island | 63.9°F | 63.5°F | 61.7°F |
| Orange Beach | 63.9°F | 64.1°F | 63.0°F |
| Pensacola | 63.9°F | 62.6°F | 61.7°F |
| Houston | 63.6°F | 62.3°F | 62.1°F |
| Jacksonville | 63.1°F | 61.5°F | 61.7°F |
| Galveston | 62.9°F | 62.8°F | 61.4°F |
| Dauphin Island | 62.9°F | 60.8°F | 60.4°F |
| New Orleans | 62.6°F | 59.2°F | 58.4°F |
| Bay Saint Louis | 62.6°F | 57.8°F | 59.5°F |
| Amelia Island | 62.0°F | 60.5°F | 60.7°F |
| Pass Christian | 61.7°F | 57.8°F | 59.2°F |
| Ocean Springs | 61.4°F | 59.2°F | 59.9°F |
| Gulfport | 61.3°F | 58.7°F | 59.5°F |
| Biloxi | 61.2°F | 59.1°F | 59.8°F |
| Long Beach | 61.2°F | 58.1°F | 59.1°F |
| Kissimmee | 32.0°F | 32.0°F | 32.0°F |
Charts below show average sea water temperature for Gulf of Mexico resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Gulf of Mexico resorts at that time.
Popular places:
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