The Mexico resorts with the warmest sea water temperature in July are Puerto Arista, San Blas and La Penita de Jaltemba.
Below you can see a list of all popular Mexico resorts and information about sea water temperature in July for the last two years.
| Resort Name | July 2026 | July 2025 | July 2024 |
|---|---|---|---|
| Puerto Arista | 93.5°F | 91.6°F | 91.1°F |
| San Blas | 93.4°F | 92.0°F | 90.3°F |
| La Penita de Jaltemba | 92.9°F | 91.7°F | 90.0°F |
| Rincon de Guayabitos | 92.9°F | 91.7°F | 90.0°F |
| Barra de Potosi | 92.8°F | 90.5°F | 89.5°F |
| Luces en el Mar | 92.7°F | 90.6°F | 90.3°F |
| Acapulco | 92.6°F | 90.6°F | 90.3°F |
| Zihuatanejo | 92.6°F | 90.4°F | 89.4°F |
| San Pancho | 92.6°F | 91.4°F | 89.6°F |
| Troncones | 92.6°F | 90.3°F | 89.3°F |
| Sayulita | 92.6°F | 91.4°F | 89.5°F |
| Mazatlan | 92.6°F | 90.8°F | 88.9°F |
| Manzaltan | 92.6°F | 90.8°F | 88.9°F |
| Nuevo Vallarta | 92.5°F | 91.7°F | 89.5°F |
| Ciudad Lazaro Cardenas | 92.5°F | 90.0°F | 88.9°F |
| Puerto Vallarta | 92.5°F | 91.7°F | 89.5°F |
| Punta Mita | 92.4°F | 91.3°F | 89.2°F |
| Punta Villela | 92.4°F | 91.3°F | 89.2°F |
| Caleta de Campos | 92.3°F | 90.0°F | 88.4°F |
| La Manzanilla | 92.3°F | 90.0°F | 87.3°F |
| San Patricio | 92.2°F | 90.1°F | 87.6°F |
| Playa Azul | 92.2°F | 90.2°F | 87.3°F |
| Manzanillo | 92.2°F | 90.2°F | 87.3°F |
| Costa Careyes | 92.1°F | 90.0°F | 87.3°F |
| Perula | 92.0°F | 90.0°F | 87.0°F |
| Mazunte | 91.7°F | 90.0°F | 90.3°F |
| Purerto Escondido | 91.7°F | 90.0°F | 90.3°F |
| Brisas de Zicatela | 91.6°F | 90.0°F | 90.3°F |
| Playa Zipolite | 91.6°F | 90.0°F | 90.3°F |
| San Agustinillo | 91.6°F | 90.0°F | 90.3°F |
| Puerto Angel | 91.5°F | 90.0°F | 90.2°F |
| Salchi | 91.3°F | 90.0°F | 90.0°F |
| La Crucecita | 91.0°F | 90.1°F | 89.9°F |
| Tangolunda | 91.0°F | 90.1°F | 89.9°F |
| Chetumal | 90.3°F | 89.9°F | 90.0°F |
| Campeche | 90.1°F | 89.9°F | 90.1°F |
| Ciudad del Carmen | 90.0°F | 89.9°F | 89.8°F |
| Merida | 89.7°F | 84.3°F | 87.1°F |
| Coatzacoalcos | 89.3°F | 88.6°F | 88.9°F |
| Boca del Rio | 89.1°F | 88.9°F | 89.6°F |
| Veracruz | 89.0°F | 88.9°F | 89.5°F |
| Tulum | 88.9°F | 88.6°F | 89.1°F |
| Cozumel | 88.8°F | 88.4°F | 88.9°F |
| Puerto Morelos | 88.8°F | 88.7°F | 88.9°F |
| Playa del Carmen | 88.8°F | 88.4°F | 88.9°F |
| Mahahual | 88.7°F | 88.3°F | 88.9°F |
| Puerto Aventuras | 88.6°F | 88.4°F | 89.0°F |
| Riviera Maya | 88.6°F | 88.4°F | 89.0°F |
| San Jose del Cabo | 88.4°F | 87.4°F | 85.4°F |
| Cancun | 88.4°F | 88.4°F | 88.6°F |
| Costa de Oro | 88.2°F | 88.2°F | 89.2°F |
| La Paz | 88.2°F | 85.1°F | 84.5°F |
| Tampico | 88.1°F | 87.6°F | 88.9°F |
| Playa Chachalacas | 88.1°F | 88.4°F | 89.1°F |
| Los Medanos | 88.1°F | 88.4°F | 89.1°F |
| Ciudad Madero | 87.8°F | 87.7°F | 89.0°F |
| Cabo San Lucas | 87.7°F | 86.0°F | 81.5°F |
| Isla Mujeres | 87.5°F | 87.9°F | 88.4°F |
| Casitas | 85.9°F | 86.8°F | 87.1°F |
| Monte Gordo | 85.9°F | 86.8°F | 87.1°F |
| Tecolutla | 85.9°F | 86.5°F | 87.4°F |
| Playa Oriente | 85.8°F | 86.7°F | 87.2°F |
| La Vigueta | 85.8°F | 86.7°F | 87.2°F |
| La Pesca | 85.6°F | 85.2°F | 88.7°F |
| Ensenada | 73.7°F | 70.0°F | 71.4°F |
| Tijuana | 71.8°F | 67.5°F | 69.9°F |
Please see following sea water temperature averages charts for the warmest Mexico resorts in July.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| Puerto Arista |
Sea Water
Temperature
Temperature
| San Blas |
Sea Water
Temperature
Temperature
| La Penita de Jaltemba |
Mexico Resorts:
NAME
F°
| Acapulco |  |
+92 |
| Cabo San Lucas | |
+92 |
| Cancun |  |
+92 |
| Cozumel |  |
+92 |
| La Paz |  |
+106 |
| Merida | |
+106 |
| Monte Gordo | |
+94 |
| Playa del Carmen | |
+94 |
| Puerto Vallarta | |
+96 |
| Purerto Escondido | |
+92 |
| Riviera Maya | |
+94 |
| San Jose del Cabo | |
+96 |
| Tijuana | |
+80 |
| Tulum | |
+94 |
| Zihuatanejo | |
+92 |
