In July warmest sea in Puerto Rico is usually observed in the following locations: Mayaguez, Aguadilla, Ponce.
Table below shows the average sea water temperature for marine resorts of Puerto Rico in July for the last three years.
| Place name | July 2026 | July 2025 | July 2024 |
|---|---|---|---|
| Mayaguez | 84.6°F | 84.2°F | 85.5°F |
| Aguadilla | 84.2°F | 83.8°F | 85.4°F |
| Ponce | 84.0°F | 84.1°F | 85.7°F |
| Isabella | 83.6°F | 83.5°F | 85.0°F |
| Arecibo | 83.5°F | 83.5°F | 84.7°F |
| San Juan | 83.4°F | 83.5°F | 84.5°F |
Charts below show average sea water temperature for Puerto Rico resorts with the warmest sea in July.
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
