In October warmest sea in Gulf of Thailand is usually observed in the following locations: Cha-am, Hua Hin, Samet.
Table below shows the average sea water temperature for marine resorts of Gulf of Thailand in October for the last three years.
| Place name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Cha-am | 85.5°F | 86.6°F | 86.0°F |
| Hua Hin | 85.3°F | 86.6°F | 85.9°F |
| Samet | 85.1°F | 86.5°F | 85.6°F |
| Koh Chang | 84.9°F | 86.4°F | 85.6°F |
| Rayong | 84.9°F | 86.5°F | 85.3°F |
| Ko Wai | 84.9°F | 86.1°F | 85.6°F |
| Koh Rong | 84.9°F | 85.9°F | 85.5°F |
| Ko Mak | 84.9°F | 85.9°F | 85.6°F |
| Prachuap Khiri Khan | 84.9°F | 86.1°F | 85.1°F |
| Koh Lan | 84.9°F | 86.4°F | 85.6°F |
| Bangkok | 84.8°F | 86.0°F | 85.3°F |
| Trat | 84.8°F | 86.1°F | 85.4°F |
| Pattaya | 84.7°F | 86.1°F | 85.4°F |
| Jomtien | 84.7°F | 86.1°F | 85.3°F |
| Koh Kood | 84.6°F | 85.8°F | 85.6°F |
| Koh Kong | 84.4°F | 85.4°F | 85.0°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea in October.
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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