In January warmest sea in Gulf of Thailand is usually observed in the following locations: Koh Kood, Koh Kong, Koh Rong.
Table below shows the average sea water temperature for marine resorts of Gulf of Thailand in January for the last three years.
| Place name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| Koh Kood | 82.8°F | 82.2°F | 84.4°F |
| Koh Kong | 82.7°F | 81.7°F | 84.3°F |
| Koh Rong | 82.6°F | 82.5°F | 84.6°F |
| Ko Mak | 82.6°F | 82.1°F | 84.3°F |
| Ko Wai | 82.3°F | 81.9°F | 84.2°F |
| Koh Chang | 82.2°F | 81.9°F | 84.2°F |
| Rayong | 81.3°F | 80.2°F | 83.8°F |
| Trat | 81.3°F | 80.5°F | 83.8°F |
| Samet | 81.2°F | 80.5°F | 83.9°F |
| Koh Lan | 81.1°F | 79.8°F | 83.5°F |
| Jomtien | 80.9°F | 79.7°F | 83.4°F |
| Pattaya | 80.9°F | 79.7°F | 83.3°F |
| Prachuap Khiri Khan | 80.4°F | 78.1°F | 82.4°F |
| Hua Hin | 80.0°F | 78.2°F | 82.5°F |
| Cha-am | 79.9°F | 78.2°F | 82.5°F |
| Bangkok | 79.5°F | 78.3°F | 82.2°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea in January.
You can also check other months of the year to see sea temperature of Gulf of Thailand resorts at that time.
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