The Thailand resorts with the warmest sea water temperature in April are Chumphon, Trat and Hat Yai.
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 2020 | April 2019 | April 2018 |
|---|---|---|---|
| Chumphon | 92.6°F | 92.6°F | 90.6°F |
| Trat | 92.3°F | 93.3°F | 90.7°F |
| Hat Yai | 92.2°F | 92.6°F | 90.2°F |
| Koh Lanta | 92.2°F | 92.8°F | 91.4°F |
| Koh Chang | 91.9°F | 92.7°F | 90.0°F |
| Krabi | 91.8°F | 92.3°F | 91.3°F |
| Ko Wai | 91.7°F | 92.5°F | 90.1°F |
| Rayong | 91.6°F | 92.4°F | 90.6°F |
| Samet | 91.6°F | 92.3°F | 90.3°F |
| Ko Mak | 91.5°F | 92.2°F | 90.1°F |
| Koh Kood | 91.5°F | 92.0°F | 90.0°F |
| Surat Thani | 91.4°F | 91.7°F | 91.0°F |
| Phi Phi | 91.3°F | 91.7°F | 91.0°F |
| Taling Ngam Beach | 91.3°F | 92.3°F | 90.0°F |
| Bangkok | 91.2°F | 91.8°F | 90.2°F |
| Ko Li Pe | 91.2°F | 91.6°F | 90.4°F |
| Cape Panwa | 91.1°F | 91.4°F | 90.9°F |
| Mai Khao Beach | 91.1°F | 91.3°F | 90.9°F |
| Cha-am | 91.1°F | 92.2°F | 90.2°F |
| Mae Nam Beach | 91.1°F | 92.0°F | 89.8°F |
| Bo Phut Beach | 91.1°F | 92.0°F | 89.8°F |
| Lamai Beach | 91.1°F | 91.9°F | 89.8°F |
| Samui | 91.1°F | 91.9°F | 89.7°F |
| Nai Yang Beach | 91.1°F | 91.2°F | 90.9°F |
| Phuket | 91.1°F | 91.3°F | 90.9°F |
| Chaweng Beach | 91.1°F | 91.9°F | 89.7°F |
| Pattaya | 91.0°F | 91.5°F | 90.1°F |
| Choeng Mon Beach | 91.0°F | 91.9°F | 89.7°F |
| Hua Hin | 91.0°F | 91.9°F | 89.9°F |
| Jomtien | 91.0°F | 91.5°F | 90.1°F |
| Bang Tao Beach | 90.9°F | 91.1°F | 90.8°F |
| Surin Beach | 90.9°F | 91.1°F | 90.8°F |
| Kamala Beach | 90.9°F | 91.1°F | 90.8°F |
| Kalim Beach | 90.9°F | 91.1°F | 90.7°F |
| Pattani | 90.8°F | 91.1°F | 89.2°F |
| Phangan | 90.8°F | 91.9°F | 89.8°F |
| Patong Beach | 90.8°F | 91.1°F | 90.7°F |
| Nai Harn Beach | 90.8°F | 91.1°F | 90.6°F |
| Rawai Beach | 90.8°F | 91.1°F | 90.6°F |
| Ko Phangan | 90.7°F | 91.7°F | 89.7°F |
| Koh Lan | 90.7°F | 91.3°F | 89.9°F |
| Karon Beach | 90.7°F | 91.0°F | 90.6°F |
| Kata Beach | 90.7°F | 91.0°F | 90.6°F |
| Tao | 90.5°F | 91.4°F | 89.6°F |
| Similan | 90.5°F | 91.3°F | 90.4°F |
| Narathiwat | 90.5°F | 90.6°F | 89.0°F |
| Khao Lak | 90.4°F | 91.1°F | 90.8°F |
| Prachuap Khiri Khan | 90.4°F | 91.3°F | 89.6°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 | |
+78 |
| Koh Chang | |
+84 |
| Krabi | |
+82 |
| Narathiwat | |
+80 |
| Pattani |  |
+80 |
| Pattaya | |
+78 |
| Phi Phi | |
+86 |
| Phuket |  |
+84 |
| Prachuap Khiri Khan | |
+80 |
| Rayong | |
+80 |
| Samet | |
+82 |
| Samui | |
+86 |
| Surat Thani | |
+80 |
