In May warmest sea in Gulf of Mexico is usually observed in the following locations: Everglades, Cape Coral, Marco Island.
Table below shows the average sea water temperature for marine resorts of Gulf of Mexico in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Everglades | 84.6°F | 84.5°F | 84.6°F |
| Cape Coral | 82.7°F | 83.4°F | 83.6°F |
| Marco Island | 82.6°F | 83.5°F | 84.0°F |
| Naples | 82.4°F | 83.5°F | 83.8°F |
| Sanibel Island | 81.7°F | 83.1°F | 83.2°F |
| St. Petersburg | 81.0°F | 82.6°F | 82.4°F |
| Tampa | 81.0°F | 82.7°F | 82.5°F |
| Sarasota | 80.7°F | 82.7°F | 82.9°F |
| Clearwater Beach | 80.5°F | 82.6°F | 82.5°F |
| Siesta Key | 80.4°F | 82.5°F | 82.6°F |
| Corpus Christi | 79.0°F | 80.9°F | 81.0°F |
| South Padre Island | 78.4°F | 80.0°F | 81.1°F |
| Port Aransas | 78.4°F | 80.3°F | 80.7°F |
| Grand Isle | 78.4°F | 81.1°F | 80.3°F |
| Mustang Island | 78.2°F | 80.1°F | 80.5°F |
| Avery Island | 77.9°F | 79.4°F | 80.0°F |
| Galveston Island | 77.7°F | 79.8°F | 79.9°F |
| Houston | 77.6°F | 79.5°F | 78.9°F |
| Galveston | 77.6°F | 79.6°F | 79.5°F |
| Orlando | 77.4°F | 77.2°F | 77.6°F |
| New Orleans | 77.3°F | 79.5°F | 79.9°F |
| Daytona Beach | 77.2°F | 76.0°F | 77.2°F |
| St. George Island | 76.5°F | 79.2°F | 79.1°F |
| Gulfport | 76.4°F | 80.3°F | 79.5°F |
| Bay Saint Louis | 76.2°F | 79.8°F | 79.6°F |
| Pass Christian | 76.1°F | 79.8°F | 79.8°F |
| Long Beach | 76.1°F | 79.9°F | 79.9°F |
| Biloxi | 76.0°F | 80.0°F | 79.7°F |
| Ocean Springs | 76.0°F | 79.9°F | 79.9°F |
| Mobile | 76.0°F | 77.5°F | 78.2°F |
| Pensacola | 75.6°F | 80.1°F | 79.4°F |
| Dauphin Island | 75.6°F | 79.8°F | 79.4°F |
| St. Augustine | 75.3°F | 76.9°F | 77.4°F |
| Gulf Shores | 75.3°F | 79.5°F | 78.6°F |
| Panama City Beach | 75.3°F | 79.0°F | 78.6°F |
| Orange Beach | 75.2°F | 79.8°F | 78.7°F |
| Santa Rosa Beach | 75.0°F | 78.8°F | 77.7°F |
| Pensacola Beach | 74.8°F | 79.6°F | 78.7°F |
| Miramar Beach | 74.8°F | 78.8°F | 78.1°F |
| Destin | 74.6°F | 78.7°F | 78.1°F |
| Fort Walton Beach | 74.5°F | 78.5°F | 77.8°F |
| Jacksonville | 74.3°F | 77.6°F | 77.1°F |
| Amelia Island | 74.3°F | 77.9°F | 77.2°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 May.
You can also check other months of the year to see sea temperature of Gulf of Mexico resorts at that time.
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