In January warmest sea in Sumatra is usually observed in the following locations: Pangkor, Kuala Lumpur, Penang.
Table below shows the average sea water temperature for marine resorts of Sumatra in January for the last three years.
| Place name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| Pangkor | 85.2°F | 85.5°F | 85.5°F |
| Kuala Lumpur | 84.4°F | 84.8°F | 84.9°F |
| Penang | 84.4°F | 84.5°F | 84.6°F |
| Batu Feringgi | 84.2°F | 84.5°F | 84.5°F |
| George Town | 84.1°F | 84.4°F | 84.8°F |
| Medan | 83.9°F | 83.8°F | 84.1°F |
| Malacca | 82.2°F | 83.5°F | 83.2°F |
| Perhentian Islands | 81.8°F | 82.7°F | 83.0°F |
| Kuala Terengganu | 81.8°F | 82.6°F | 82.5°F |
| Johor Bahrul | 81.7°F | 82.3°F | 82.3°F |
| Sentosa | 81.7°F | 82.4°F | 82.7°F |
| Singapore | 81.7°F | 82.4°F | 82.4°F |
| Redang | 81.6°F | 82.7°F | 82.7°F |
| Batam | 81.3°F | 82.2°F | 82.5°F |
| Bintan | 81.3°F | 82.3°F | 82.5°F |
| Tioman | 81.2°F | 82.2°F | 82.2°F |
Charts below show average sea water temperature for Sumatra resorts with the warmest sea in January.
You can also check other months of the year to see sea temperature of Sumatra resorts at that time.
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