The Costa Rica resorts with the warmest sea water temperature in June are Quepos, San Jose and Cartago.
Below you can see a list of all popular Costa Rica resorts and information about sea water temperature in June for the last two years.
| Resort Name | June 2026 | June 2025 | June 2024 |
|---|---|---|---|
| Quepos | 90.0°F | 88.3°F | 88.5°F |
| San Jose | 89.9°F | 88.4°F | 88.4°F |
| Cartago | 89.9°F | 88.4°F | 88.4°F |
| Heredia | 89.8°F | 88.3°F | 88.3°F |
| Samara | 89.8°F | 88.9°F | 88.7°F |
| Tamarindo | 89.8°F | 88.9°F | 88.3°F |
| Playas del Coco | 89.7°F | 88.8°F | 88.3°F |
| Santa Teresa | 89.7°F | 88.7°F | 88.5°F |
| Jaco | 89.7°F | 88.4°F | 88.4°F |
| Playa Flamingo | 89.6°F | 88.8°F | 88.3°F |
| Alajuela | 89.5°F | 88.5°F | 88.4°F |
| El Roble | 89.4°F | 88.6°F | 88.6°F |
| Puerto Viejo de Talamanca | 88.5°F | 87.5°F | 89.6°F |
| Limon | 88.5°F | 87.9°F | 89.7°F |
| Puerto Limon | 88.5°F | 87.9°F | 89.7°F |
| Cahuita | 88.5°F | 87.5°F | 89.6°F |
| Tortuguero | 88.0°F | 87.2°F | 89.4°F |
Please see following sea water temperature averages charts for the warmest Costa Rica resorts in June.
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.
Costa Rica Resorts:
NAME
F°
| Alajuela |  |
+68 |
| Cartago | |
+60 |
| Heredia | |
+64 |
| Jaco | |
+84 |
| Limon |  |
+80 |
| Playa Flamingo | |
+80 |
| Playas del Coco | |
+80 |
| Puerto Limon | |
+80 |
| Puerto Viejo de Talamanca | |
+78 |
| Quepos | |
+74 |
| Samara | |
+80 |
| San Jose | |
+62 |
| Santa Teresa | |
+84 |
| Tamarindo | |
+80 |
| Tortuguero | |
+78 |
