The Thailand resorts with the warmest sea water temperature in April are Trat, Surat Thani 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 2017 | April 2016 | April 2015 |
|---|---|---|---|
| Trat | 91.6°F | 92.2°F | 91.5°F |
| Surat Thani | 91.1°F | 92.3°F | 91.0°F |
| Koh Lanta | 91.1°F | 91.9°F | 90.6°F |
| Ko Wai | 91.0°F | 91.6°F | 90.8°F |
| Krabi | 91.0°F | 91.8°F | 90.6°F |
| Koh Chang | 91.0°F | 91.5°F | 90.8°F |
| Hat Yai | 90.9°F | 91.9°F | 90.1°F |
| Ko Mak | 90.9°F | 91.6°F | 90.7°F |
| Phi Phi | 90.8°F | 91.5°F | 90.4°F |
| Samet | 90.8°F | 91.6°F | 90.6°F |
| Bangkok | 90.8°F | 91.0°F | 90.7°F |
| Koh Kood | 90.8°F | 91.5°F | 90.7°F |
| Rayong | 90.7°F | 91.4°F | 90.5°F |
| Hua Hin | 90.6°F | 90.9°F | 89.9°F |
| Taling Ngam Beach | 90.5°F | 91.8°F | 90.4°F |
| Cape Panwa | 90.5°F | 91.1°F | 90.2°F |
| Pattaya | 90.4°F | 90.7°F | 90.1°F |
| Jomtien | 90.4°F | 90.7°F | 90.0°F |
| Ko Li Pe | 90.4°F | 91.7°F | 89.9°F |
| Koh Lan | 90.4°F | 90.6°F | 90.0°F |
| Chumphon | 90.4°F | 91.4°F | 90.3°F |
| Phangan | 90.3°F | 91.5°F | 90.2°F |
| Bo Phut Beach | 90.3°F | 91.5°F | 90.1°F |
| Mae Nam Beach | 90.3°F | 91.5°F | 90.1°F |
| Ko Phangan | 90.3°F | 91.4°F | 90.1°F |
| Samui | 90.2°F | 91.5°F | 90.1°F |
| Choeng Mon Beach | 90.2°F | 91.5°F | 90.1°F |
| Chaweng Beach | 90.2°F | 91.5°F | 90.1°F |
| Lamai Beach | 90.2°F | 91.5°F | 90.1°F |
| Phuket | 90.2°F | 90.8°F | 90.0°F |
| Tao | 90.1°F | 91.0°F | 89.8°F |
| Nai Harn Beach | 90.1°F | 90.8°F | 89.9°F |
| Rawai Beach | 90.1°F | 90.8°F | 89.9°F |
| Mai Khao Beach | 90.1°F | 90.8°F | 90.0°F |
| Nai Yang Beach | 90.1°F | 90.8°F | 90.0°F |
| Prachuap Khiri Khan | 90.0°F | 90.5°F | 89.2°F |
| Kamala Beach | 90.0°F | 90.7°F | 89.9°F |
| Surin Beach | 90.0°F | 90.7°F | 89.9°F |
| Bang Tao Beach | 90.0°F | 90.7°F | 89.9°F |
| Kalim Beach | 90.0°F | 90.7°F | 89.9°F |
| Pattani | 90.0°F | 90.8°F | 89.1°F |
| Kata Beach | 90.0°F | 90.7°F | 89.9°F |
| Karon Beach | 90.0°F | 90.7°F | 89.9°F |
| Patong Beach | 89.9°F | 90.7°F | 89.9°F |
| Khao Lak | 89.9°F | 90.5°F | 90.1°F |
| Similan | 89.8°F | 90.8°F | 90.3°F |
| Narathiwat | 89.8°F | 90.5°F | 88.9°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 |  |
+100 |
| Chumphon |  |
+86 |
| Hua Hin |  |
+92 |
| Koh Chang | |
+88 |
| Krabi |  |
+82 |
| Narathiwat | |
+92 |
| Pattani |  |
+90 |
| Pattaya | |
+90 |
| Phi Phi | |
+86 |
| Phuket | |
+84 |
| Prachuap Khiri Khan | |
+90 |
| Rayong | |
+90 |
| Samet | |
+88 |
| Samui | |
+84 |
| Surat Thani | |
+84 |
