In August warmest sea in Gulf of Thailand is usually observed in the following locations: Cha-am, Koh Lan, Hua Hin.
Table below shows the average sea water temperature for marine resorts of Gulf of Thailand in August for the last three years.
| Place name | August 2025 | August 2024 | August 2023 |
|---|---|---|---|
| Cha-am | 86.0°F | 86.1°F | 85.6°F |
| Koh Lan | 85.5°F | 86.1°F | 85.8°F |
| Hua Hin | 85.5°F | 86.0°F | 85.3°F |
| Pattaya | 85.4°F | 85.7°F | 85.6°F |
| Jomtien | 85.4°F | 85.7°F | 85.6°F |
| Bangkok | 85.3°F | 85.7°F | 85.6°F |
| Samet | 85.3°F | 85.9°F | 85.0°F |
| Rayong | 85.2°F | 85.7°F | 85.1°F |
| Koh Rong | 85.2°F | 85.4°F | 84.8°F |
| Trat | 85.1°F | 85.5°F | 85.4°F |
| Koh Chang | 85.1°F | 85.8°F | 85.3°F |
| Ko Wai | 85.0°F | 85.9°F | 85.3°F |
| Koh Kood | 85.0°F | 85.9°F | 85.2°F |
| Ko Mak | 85.0°F | 85.9°F | 85.2°F |
| Koh Kong | 84.8°F | 85.2°F | 84.6°F |
| Prachuap Khiri Khan | 84.5°F | 85.2°F | 84.2°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea in August.
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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