In July warmest sea in Gulf of Thailand is usually observed in the following locations: Cha-am, Koh Lan, Pattaya.
Table below shows the average sea water temperature for marine resorts of Gulf of Thailand in July for the last three years.
| Place name | July 2025 | July 2024 | July 2023 |
|---|---|---|---|
| Cha-am | 85.5°F | 85.6°F | 86.4°F |
| Koh Lan | 85.3°F | 85.6°F | 86.4°F |
| Pattaya | 85.2°F | 85.3°F | 86.2°F |
| Rayong | 85.2°F | 85.2°F | 86.2°F |
| Jomtien | 85.2°F | 85.4°F | 86.2°F |
| Bangkok | 85.1°F | 85.2°F | 86.4°F |
| Hua Hin | 85.1°F | 85.6°F | 86.2°F |
| Samet | 85.0°F | 85.1°F | 86.0°F |
| Koh Chang | 84.7°F | 85.0°F | 85.0°F |
| Ko Wai | 84.6°F | 84.8°F | 85.1°F |
| Ko Mak | 84.6°F | 84.8°F | 85.2°F |
| Koh Kood | 84.5°F | 84.8°F | 85.3°F |
| Trat | 84.5°F | 84.4°F | 85.0°F |
| Koh Rong | 84.3°F | 85.1°F | 85.2°F |
| Koh Kong | 84.2°F | 84.4°F | 85.0°F |
| Prachuap Khiri Khan | 84.2°F | 84.9°F | 84.8°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea in July.
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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