In August warmest sea in Puerto Rico is usually observed in the following locations: Ponce, Mayaguez, Aguadilla.
Table below shows the average sea water temperature for marine resorts of Puerto Rico in August for the last three years.
| Place name | August 2025 | August 2024 | August 2023 |
|---|---|---|---|
| Ponce | 85.4°F | 86.1°F | 86.0°F |
| Mayaguez | 85.2°F | 85.9°F | 85.7°F |
| Aguadilla | 85.0°F | 85.7°F | 85.4°F |
| San Juan | 84.8°F | 85.3°F | 85.3°F |
| Isabella | 84.7°F | 85.4°F | 85.1°F |
| Arecibo | 84.6°F | 85.2°F | 85.6°F |
Charts below show average sea water temperature for Puerto Rico resorts with the warmest sea in August.
You can also check other months of the year to see sea temperature of Puerto Rico resorts at that time.
Places in Puerto Rico:
Name
°F
