In July warmest sea in Sumatra is usually observed in the following locations: Batu Feringgi, Penang, George Town.
Table below shows the average sea water temperature for marine resorts of Sumatra in July for the last three years.
| Place name | July 2025 | July 2024 | July 2023 |
|---|---|---|---|
| Batu Feringgi | 87.7°F | 86.7°F | 86.9°F |
| Penang | 87.6°F | 86.6°F | 86.8°F |
| George Town | 87.5°F | 86.5°F | 86.9°F |
| Kuala Lumpur | 86.9°F | 86.3°F | 86.3°F |
| Pangkor | 86.8°F | 86.1°F | 86.0°F |
| Malacca | 86.8°F | 86.8°F | 86.8°F |
| Medan | 86.3°F | 86.3°F | 86.2°F |
| Sentosa | 86.2°F | 86.4°F | 86.1°F |
| Perhentian Islands | 86.1°F | 86.6°F | 86.5°F |
| Singapore | 86.0°F | 86.3°F | 85.9°F |
| Redang | 86.0°F | 86.3°F | 86.3°F |
| Batam | 85.9°F | 86.1°F | 85.8°F |
| Johor Bahrul | 85.8°F | 85.9°F | 85.7°F |
| Bintan | 85.8°F | 85.9°F | 85.6°F |
| Kuala Terengganu | 85.5°F | 85.6°F | 85.9°F |
| Tioman | 84.4°F | 85.0°F | 84.5°F |
Charts below show average sea water temperature for Sumatra resorts with the warmest sea in July.
You can also check other months of the year to see sea temperature of Sumatra resorts at that time.
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