In April warmest sea in Gulf of Thailand is usually observed in the following locations: Trat, Koh Kong, Cha-am.
Table below shows the average sea water temperature for marine resorts of Gulf of Thailand in April for the last three years.
| Place name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Trat | 87.6°F | 89.7°F | 88.1°F |
| Koh Kong | 87.4°F | 89.3°F | 87.9°F |
| Cha-am | 87.1°F | 88.3°F | 87.2°F |
| Samet | 86.9°F | 88.8°F | 87.4°F |
| Rayong | 86.9°F | 88.9°F | 87.5°F |
| Hua Hin | 86.8°F | 88.1°F | 86.9°F |
| Koh Chang | 86.8°F | 89.2°F | 87.6°F |
| Koh Rong | 86.7°F | 88.4°F | 87.1°F |
| Koh Kood | 86.7°F | 88.6°F | 87.3°F |
| Ko Wai | 86.6°F | 88.9°F | 87.4°F |
| Bangkok | 86.4°F | 87.9°F | 86.5°F |
| Ko Mak | 86.4°F | 88.7°F | 87.2°F |
| Jomtien | 86.2°F | 88.2°F | 86.7°F |
| Pattaya | 86.2°F | 88.2°F | 86.7°F |
| Koh Lan | 86.1°F | 87.8°F | 86.4°F |
| Prachuap Khiri Khan | 85.8°F | 87.3°F | 86.2°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea in April.
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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