The Thailand resorts with the warmest sea water temperature in April are Trat, Chumphon and Koh Lanta.
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 2019 | April 2018 | April 2017 |
|---|---|---|---|
| Trat | 93.0°F | 90.7°F | 91.5°F |
| Chumphon | 92.6°F | 90.6°F | 90.3°F |
| Koh Lanta | 92.4°F | 91.4°F | 91.0°F |
| Koh Chang | 92.3°F | 90.0°F | 90.9°F |
| Hat Yai | 92.3°F | 90.2°F | 90.8°F |
| Ko Wai | 92.1°F | 90.1°F | 90.9°F |
| Rayong | 92.1°F | 90.6°F | 90.6°F |
| Krabi | 92.1°F | 91.3°F | 90.9°F |
| Taling Ngam Beach | 92.0°F | 90.0°F | 90.4°F |
| Samet | 92.0°F | 90.3°F | 90.7°F |
| Ko Mak | 91.8°F | 90.1°F | 90.8°F |
| Cha-am | 91.8°F | 90.2°F | 90.5°F |
| Mae Nam Beach | 91.7°F | 89.8°F | 90.2°F |
| Bo Phut Beach | 91.7°F | 89.8°F | 90.2°F |
| Samui | 91.7°F | 89.7°F | 90.1°F |
| Lamai Beach | 91.6°F | 89.8°F | 90.1°F |
| Phangan | 91.6°F | 89.8°F | 90.2°F |
| Koh Kood | 91.6°F | 90.0°F | 90.7°F |
| Chaweng Beach | 91.6°F | 89.7°F | 90.1°F |
| Choeng Mon Beach | 91.6°F | 89.7°F | 90.1°F |
| Hua Hin | 91.5°F | 89.9°F | 90.5°F |
| Phi Phi | 91.5°F | 91.0°F | 90.8°F |
| Ko Phangan | 91.5°F | 89.7°F | 90.2°F |
| Surat Thani | 91.5°F | 91.0°F | 91.0°F |
| Bangkok | 91.4°F | 90.2°F | 90.7°F |
| Ko Li Pe | 91.4°F | 90.4°F | 90.4°F |
| Cape Panwa | 91.3°F | 90.9°F | 90.4°F |
| Phuket | 91.2°F | 90.9°F | 90.1°F |
| Mai Khao Beach | 91.2°F | 90.9°F | 90.0°F |
| Tao | 91.2°F | 89.6°F | 90.0°F |
| Nai Yang Beach | 91.2°F | 90.9°F | 90.0°F |
| Similan | 91.1°F | 90.4°F | 89.7°F |
| Pattaya | 91.1°F | 90.1°F | 90.4°F |
| Surin Beach | 91.1°F | 90.8°F | 90.0°F |
| Jomtien | 91.1°F | 90.1°F | 90.3°F |
| Bang Tao Beach | 91.1°F | 90.8°F | 90.0°F |
| Kamala Beach | 91.1°F | 90.8°F | 90.0°F |
| Kalim Beach | 91.0°F | 90.7°F | 89.9°F |
| Khao Lak | 91.0°F | 90.8°F | 89.8°F |
| Prachuap Khiri Khan | 91.0°F | 89.6°F | 89.9°F |
| Patong Beach | 91.0°F | 90.7°F | 89.9°F |
| Koh Lan | 91.0°F | 89.9°F | 90.3°F |
| Nai Harn Beach | 90.9°F | 90.6°F | 90.0°F |
| Rawai Beach | 90.9°F | 90.6°F | 90.0°F |
| Kata Beach | 90.9°F | 90.6°F | 89.9°F |
| Karon Beach | 90.9°F | 90.6°F | 89.9°F |
| Pattani | 90.9°F | 89.2°F | 89.9°F |
| Narathiwat | 90.4°F | 89.0°F | 89.7°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 |  |
+94 |
| Chumphon |  |
+88 |
| Hua Hin |  |
+88 |
| Koh Chang | |
+90 |
| Krabi | |
+88 |
| Narathiwat |  |
+86 |
| Pattani | |
+84 |
| Pattaya | |
+90 |
| Phi Phi | |
+86 |
| Phuket | |
+90 |
| Prachuap Khiri Khan | |
+86 |
| Rayong | |
+90 |
| Samet | |
+92 |
| Samui | |
+92 |
| Surat Thani | |
+86 |
