In June warmest sea in Costa Rica is usually observed in the following locations: Quepos, Cartago, San Jose.
Table below shows the average sea water temperature for marine resorts of Costa Rica in June for the last three years.
| Place name | June 2026 | June 2025 | June 2024 |
|---|---|---|---|
| Quepos | 85.9°F | 84.5°F | 84.6°F |
| Cartago | 85.8°F | 84.5°F | 84.6°F |
| San Jose | 85.8°F | 84.6°F | 84.5°F |
| Tamarindo | 85.8°F | 85.0°F | 84.5°F |
| Playas del Coco | 85.8°F | 84.9°F | 84.5°F |
| Samara | 85.7°F | 85.1°F | 84.8°F |
| Playa Flamingo | 85.7°F | 84.9°F | 84.5°F |
| Heredia | 85.7°F | 84.5°F | 84.5°F |
| Santa Teresa | 85.7°F | 84.8°F | 84.7°F |
| Jaco | 85.6°F | 84.6°F | 84.6°F |
| Alajuela | 85.5°F | 84.6°F | 84.6°F |
| El Roble | 85.3°F | 84.7°F | 84.7°F |
| Puerto Viejo de Talamanca | 84.7°F | 83.8°F | 85.7°F |
| Limon | 84.7°F | 84.1°F | 85.7°F |
| Puerto Limon | 84.7°F | 84.1°F | 85.7°F |
| Cahuita | 84.7°F | 83.8°F | 85.6°F |
| Tortuguero | 84.2°F | 83.5°F | 85.5°F |
Charts below show average sea water temperature for Costa Rica resorts with the warmest sea in June.
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
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