In July warmest sea in Costa Rica is usually observed in the following locations: San Jose, Cartago, Quepos.
Table below shows the average sea water temperature for marine resorts of Costa Rica in July for the last three years.
| Place name | July 2026 | July 2025 | July 2024 |
|---|---|---|---|
| San Jose | 86.9°F | 85.1°F | 83.9°F |
| Cartago | 86.8°F | 84.9°F | 83.9°F |
| Quepos | 86.8°F | 84.8°F | 83.8°F |
| Heredia | 86.7°F | 85.0°F | 83.9°F |
| Jaco | 86.6°F | 85.1°F | 84.0°F |
| Santa Teresa | 86.6°F | 85.0°F | 84.3°F |
| Alajuela | 86.5°F | 85.0°F | 84.0°F |
| Samara | 86.3°F | 85.1°F | 84.6°F |
| El Roble | 86.2°F | 84.6°F | 84.1°F |
| Tamarindo | 85.9°F | 84.7°F | 83.9°F |
| Playas del Coco | 85.7°F | 84.2°F | 84.0°F |
| Playa Flamingo | 85.7°F | 84.3°F | 83.9°F |
| Cahuita | 84.0°F | 83.2°F | 84.4°F |
| Puerto Viejo de Talamanca | 84.0°F | 83.2°F | 84.4°F |
| Limon | 83.9°F | 83.1°F | 84.5°F |
| Puerto Limon | 83.9°F | 83.1°F | 84.5°F |
| Tortuguero | 83.4°F | 82.5°F | 84.0°F |
Charts below show average sea water temperature for Costa Rica resorts with the warmest sea in July.
You can also check other months of the year to see sea temperature of Costa Rica resorts at that time.
Places in Costa Rica:
Name
°F
