In May warmest sea in Sumatra is usually observed in the following locations: Penang, Batu Feringgi, George Town.
Table below shows the average sea water temperature for marine resorts of Sumatra in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Penang | 88.5°F | 87.3°F | 88.1°F |
| Batu Feringgi | 88.4°F | 87.4°F | 88.2°F |
| George Town | 88.3°F | 87.3°F | 88.0°F |
| Pangkor | 87.5°F | 86.8°F | 87.6°F |
| Kuala Terengganu | 87.4°F | 86.4°F | 87.7°F |
| Perhentian Islands | 87.2°F | 87.1°F | 88.1°F |
| Malacca | 87.1°F | 86.3°F | 87.9°F |
| Tioman | 87.1°F | 86.3°F | 87.0°F |
| Medan | 87.1°F | 85.9°F | 87.1°F |
| Johor Bahrul | 87.1°F | 86.2°F | 87.1°F |
| Kuala Lumpur | 87.0°F | 86.6°F | 87.2°F |
| Singapore | 87.0°F | 86.3°F | 87.4°F |
| Sentosa | 87.0°F | 86.7°F | 87.8°F |
| Redang | 87.0°F | 86.9°F | 88.1°F |
| Bintan | 86.9°F | 86.7°F | 87.0°F |
| Batam | 86.8°F | 86.4°F | 87.1°F |
Charts below show average sea water temperature for Sumatra resorts with the warmest sea in May.
You can also check other months of the year to see sea temperature of Sumatra resorts at that time.
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