At this moment warmest sea in Sumatra was observed in the following locations: Penang, Batu Feringgi, George Town.
You can find the full list of Sumatra marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
June 2025 | July 2025 |
|---|---|---|---|
| Penang | 87.3°F | 87.1°F | 87.6°F |
| Batu Feringgi | 87.3°F | 87.1°F | 87.7°F |
| George Town | 87.1°F | 87.0°F | 87.5°F |
| Malacca | 87.1°F | 87.0°F | 86.8°F |
| Perhentian Islands | 87.1°F | 86.6°F | 86.1°F |
| Medan | 86.9°F | 86.5°F | 86.3°F |
| Redang | 86.9°F | 86.3°F | 86.0°F |
| Pangkor | 86.7°F | 86.8°F | 86.8°F |
| Kuala Lumpur | 86.7°F | 86.8°F | 86.9°F |
| Sentosa | 86.7°F | 87.0°F | 86.2°F |
| Padang | 86.5°F | 85.8°F | 85.6°F |
| Bintan | 86.5°F | 86.8°F | 85.8°F |
| Batam | 86.4°F | 86.8°F | 85.9°F |
| Johor Bahrul | 86.2°F | 86.4°F | 85.8°F |
| Singapore | 86.2°F | 86.7°F | 86.0°F |
| Kuala Terengganu | 86.0°F | 85.9°F | 85.5°F |
| Jakarta | 86.0°F | 86.1°F | 84.5°F |
| Tioman | 85.3°F | 84.9°F | 84.4°F |
Charts below show average sea water temperature for Sumatra resorts with the warmest sea.
You can also check other months of the year to see sea temperature of Sumatra resorts at that time.
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