At this moment warmest sea in Costa Rica was observed in the following locations: Samara, Santa Teresa, Jaco.
You can find the full list of Costa Rica marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
May 2025 | June 2025 |
|---|---|---|---|
| Samara | 86.9°F | 85.8°F | 85.1°F |
| Santa Teresa | 86.9°F | 86.2°F | 84.8°F |
| Jaco | 86.7°F | 85.9°F | 84.6°F |
| San Jose | 86.5°F | 85.9°F | 84.6°F |
| Alajuela | 86.5°F | 85.8°F | 84.6°F |
| Heredia | 86.5°F | 85.8°F | 84.5°F |
| Cartago | 86.5°F | 85.8°F | 84.5°F |
| Quepos | 86.4°F | 85.7°F | 84.5°F |
| Tamarindo | 86.2°F | 85.3°F | 85.0°F |
| El Roble | 85.8°F | 85.8°F | 84.7°F |
| Playa Flamingo | 85.5°F | 85.1°F | 84.9°F |
| Limon | 85.5°F | 84.1°F | 84.1°F |
| Puerto Limon | 85.5°F | 84.1°F | 84.1°F |
| Playas del Coco | 84.9°F | 85.4°F | 84.9°F |
| Tortuguero | 84.6°F | 84.3°F | 83.5°F |
| Puerto Viejo de Talamanca | 83.8°F | 84.0°F | 83.8°F |
| Cahuita | 83.8°F | 84.1°F | 83.8°F |
Charts below show average sea water temperature for Costa Rica resorts with the warmest sea.
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
