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 | 83.3°F | 83.4°F | 83.6°F |
| Marco Island | 83.2°F | 83.5°F | 84.0°F |
| Naples | 82.9°F | 83.5°F | 83.8°F |
| Sanibel Island | 82.3°F | 83.1°F | 83.2°F |
| St. Petersburg | 82.0°F | 82.6°F | 82.4°F |
| Tampa | 81.9°F | 82.7°F | 82.5°F |
| Clearwater Beach | 81.5°F | 82.6°F | 82.5°F |
| Sarasota | 81.5°F | 82.7°F | 82.9°F |
| Siesta Key | 81.3°F | 82.5°F | 82.6°F |
| Corpus Christi | 79.5°F | 80.9°F | 81.0°F |
| Grand Isle | 79.4°F | 81.1°F | 80.3°F |
| South Padre Island | 79.1°F | 80.0°F | 81.1°F |
| Port Aransas | 79.0°F | 80.3°F | 80.7°F |
| Mustang Island | 78.8°F | 80.1°F | 80.5°F |
| Avery Island | 78.8°F | 79.4°F | 80.0°F |
| Galveston Island | 78.5°F | 79.8°F | 79.9°F |
| Galveston | 78.4°F | 79.6°F | 79.5°F |
| Orlando | 78.4°F | 77.2°F | 77.6°F |
| Houston | 78.4°F | 79.5°F | 78.9°F |
| Daytona Beach | 78.1°F | 76.0°F | 77.2°F |
| New Orleans | 78.0°F | 79.5°F | 79.9°F |
| St. George Island | 77.8°F | 79.2°F | 79.1°F |
| Gulfport | 77.6°F | 80.3°F | 79.5°F |
| Long Beach | 77.3°F | 79.9°F | 79.9°F |
| Bay Saint Louis | 77.3°F | 79.8°F | 79.6°F |
| Pass Christian | 77.3°F | 79.8°F | 79.8°F |
| Biloxi | 77.2°F | 80.0°F | 79.7°F |
| Ocean Springs | 77.1°F | 79.9°F | 79.9°F |
| Pensacola | 76.9°F | 80.1°F | 79.4°F |
| Panama City Beach | 76.8°F | 79.0°F | 78.6°F |
| Mobile | 76.8°F | 77.5°F | 78.2°F |
| St. Augustine | 76.7°F | 76.9°F | 77.4°F |
| Dauphin Island | 76.7°F | 79.8°F | 79.4°F |
| Gulf Shores | 76.4°F | 79.5°F | 78.6°F |
| Santa Rosa Beach | 76.4°F | 78.8°F | 77.7°F |
| Orange Beach | 76.3°F | 79.8°F | 78.7°F |
| Pensacola Beach | 76.2°F | 79.6°F | 78.7°F |
| Miramar Beach | 76.1°F | 78.8°F | 78.1°F |
| Destin | 75.9°F | 78.7°F | 78.1°F |
| Jacksonville | 75.9°F | 77.6°F | 77.1°F |
| Fort Walton Beach | 75.8°F | 78.5°F | 77.8°F |
| Amelia Island | 75.7°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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