The Thailand resorts with the warmest sea water temperature in April are Trat, Koh Chang and Rayong.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in April for the last two years.
| Resort Name | April 2023 | April 2022 | April 2021 |
|---|---|---|---|
| Trat | 92.4°F | 91.7°F | 92.4°F |
| Koh Chang | 91.7°F | 91.0°F | 91.5°F |
| Rayong | 91.7°F | 91.0°F | 91.5°F |
| Koh Lanta | 91.6°F | 91.9°F | 91.2°F |
| Samet | 91.5°F | 91.0°F | 91.2°F |
| Ko Wai | 91.5°F | 90.9°F | 91.3°F |
| Koh Kood | 91.5°F | 90.9°F | 91.2°F |
| Hat Yai | 91.4°F | 91.4°F | 90.9°F |
| Surat Thani | 91.4°F | 91.4°F | 90.8°F |
| Ko Mak | 91.3°F | 90.8°F | 91.1°F |
| Cha-am | 91.3°F | 90.7°F | 91.2°F |
| Hua Hin | 91.0°F | 90.3°F | 90.6°F |
| Krabi | 91.0°F | 91.5°F | 90.9°F |
| Chumphon | 91.0°F | 90.8°F | 90.7°F |
| Pattaya | 90.8°F | 90.4°F | 90.5°F |
| Phangan | 90.8°F | 90.6°F | 90.7°F |
| Jomtien | 90.8°F | 90.3°F | 90.5°F |
| Ko Phangan | 90.6°F | 90.5°F | 90.6°F |
| Narathiwat | 90.6°F | 90.5°F | 90.2°F |
| Bangkok | 90.6°F | 90.4°F | 90.9°F |
| Pattani | 90.5°F | 90.8°F | 90.8°F |
| Tao | 90.4°F | 90.2°F | 90.3°F |
| Koh Lan | 90.4°F | 90.1°F | 90.4°F |
| Mae Nam Beach | 90.4°F | 90.6°F | 90.5°F |
| Bo Phut Beach | 90.4°F | 90.6°F | 90.5°F |
| Taling Ngam Beach | 90.3°F | 90.8°F | 90.7°F |
| Samui | 90.3°F | 90.6°F | 90.4°F |
| Prachuap Khiri Khan | 90.2°F | 90.4°F | 90.1°F |
| Choeng Mon Beach | 90.2°F | 90.6°F | 90.4°F |
| Phi Phi | 90.2°F | 90.9°F | 90.6°F |
| Chaweng Beach | 90.2°F | 90.6°F | 90.4°F |
| Lamai Beach | 90.1°F | 90.5°F | 90.4°F |
| Ko Li Pe | 90.0°F | 90.7°F | 90.3°F |
| Mai Khao Beach | 89.9°F | 90.7°F | 90.5°F |
| Nai Yang Beach | 89.8°F | 90.7°F | 90.5°F |
| Phuket | 89.8°F | 90.7°F | 90.4°F |
| Khao Lak | 89.8°F | 90.1°F | 90.3°F |
| Similan | 89.7°F | 90.3°F | 89.9°F |
| Bang Tao Beach | 89.7°F | 90.6°F | 90.4°F |
| Surin Beach | 89.7°F | 90.6°F | 90.4°F |
| Kamala Beach | 89.7°F | 90.6°F | 90.4°F |
| Cape Panwa | 89.7°F | 90.7°F | 90.4°F |
| Kalim Beach | 89.6°F | 90.5°F | 90.3°F |
| Patong Beach | 89.5°F | 90.4°F | 90.3°F |
| Nai Harn Beach | 89.4°F | 90.4°F | 90.3°F |
| Rawai Beach | 89.4°F | 90.4°F | 90.3°F |
| Karon Beach | 89.4°F | 90.4°F | 90.2°F |
| Kata Beach | 89.4°F | 90.4°F | 90.2°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in April.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Thailand Resorts:
NAME
F°
| Bangkok |  |
+80 |
| Chumphon |  |
+80 |
| Hua Hin |  |
+82 |
| Koh Chang | |
+82 |
| Krabi | |
+80 |
| Narathiwat |  |
+82 |
| Pattani | |
+80 |
| Pattaya | |
+82 |
| Phi Phi | |
+86 |
| Phuket | |
+86 |
| Prachuap Khiri Khan | |
+78 |
| Rayong | |
+82 |
| Samet | |
+82 |
| Samui | |
+86 |
| Surat Thani | |
+80 |
