The Costa Rica resorts with the warmest sea water temperature in October are Limon, Puerto Limon and Cahuita.
Below you can see a list of all popular Costa Rica resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2023 | October 2022 | October 2021 |
|---|---|---|---|
| Limon | 90.3°F | 88.3°F | 88.5°F |
| Puerto Limon | 90.3°F | 88.3°F | 88.5°F |
| Cahuita | 90.2°F | 88.4°F | 88.8°F |
| Puerto Viejo de Talamanca | 90.2°F | 88.5°F | 88.7°F |
| Tortuguero | 89.7°F | 88.2°F | 88.3°F |
| Playas del Coco | 89.7°F | 86.7°F | 88.0°F |
| Tamarindo | 89.6°F | 86.1°F | 87.5°F |
| Santa Teresa | 89.4°F | 85.7°F | 86.8°F |
| Playa Flamingo | 89.4°F | 86.3°F | 87.5°F |
| San Jose | 89.2°F | 85.7°F | 86.9°F |
| Cartago | 89.2°F | 85.7°F | 86.9°F |
| Samara | 89.2°F | 85.9°F | 87.1°F |
| Quepos | 89.0°F | 85.8°F | 86.8°F |
| Heredia | 89.0°F | 85.9°F | 86.9°F |
| Jaco | 88.9°F | 85.9°F | 86.9°F |
| Alajuela | 88.8°F | 85.9°F | 86.7°F |
| El Roble | 88.8°F | 85.9°F | 86.5°F |
Please see following sea water temperature averages charts for the warmest Costa Rica resorts in October.
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 |  |
+74 |
| Cartago | |
+68 |
| El Roble |  |
+92 |
| Heredia | |
+72 |
| Jaco | |
+88 |
| Limon | |
+86 |
| Playa Flamingo |  |
+92 |
| Playas del Coco | |
+92 |
| Puerto Limon | |
+86 |
| Puerto Viejo de Talamanca | |
+84 |
| Quepos | |
+80 |
| Samara | |
+90 |
| San Jose | |
+72 |
| Santa Teresa | |
+90 |
| Tamarindo | |
+92 |
