The Thailand resorts with the warmest sea water temperature in March are Chumphon, Trat and Koh Lanta.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in March for the last two years.
| Resort Name | March 2020 | March 2019 | March 2018 |
|---|---|---|---|
| Chumphon | 90.0°F | 90.7°F | 89.9°F |
| Trat | 89.9°F | 90.4°F | 89.9°F |
| Koh Lanta | 89.9°F | 90.5°F | 90.0°F |
| Krabi | 89.8°F | 90.3°F | 89.8°F |
| Hat Yai | 89.7°F | 90.1°F | 88.9°F |
| Rayong | 89.6°F | 89.9°F | 89.1°F |
| Koh Chang | 89.5°F | 89.7°F | 88.9°F |
| Ko Mak | 89.4°F | 89.5°F | 88.8°F |
| Ko Wai | 89.4°F | 89.6°F | 88.9°F |
| Koh Kood | 89.3°F | 89.5°F | 88.8°F |
| Samet | 89.3°F | 89.8°F | 88.9°F |
| Mai Khao Beach | 89.3°F | 89.6°F | 89.8°F |
| Nai Yang Beach | 89.2°F | 89.6°F | 89.7°F |
| Phuket | 89.2°F | 89.6°F | 89.7°F |
| Khao Lak | 89.2°F | 89.3°F | 89.8°F |
| Bang Tao Beach | 89.1°F | 89.4°F | 89.6°F |
| Surin Beach | 89.1°F | 89.4°F | 89.6°F |
| Kamala Beach | 89.1°F | 89.4°F | 89.6°F |
| Cha-am | 89.0°F | 89.2°F | 88.5°F |
| Cape Panwa | 89.0°F | 89.5°F | 89.5°F |
| Jomtien | 88.9°F | 89.1°F | 88.7°F |
| Kalim Beach | 88.9°F | 89.4°F | 89.5°F |
| Pattaya | 88.9°F | 89.1°F | 88.8°F |
| Prachuap Khiri Khan | 88.9°F | 89.3°F | 87.9°F |
| Similan | 88.9°F | 89.0°F | 89.5°F |
| Hua Hin | 88.9°F | 89.2°F | 88.3°F |
| Taling Ngam Beach | 88.8°F | 89.2°F | 88.4°F |
| Patong Beach | 88.8°F | 89.3°F | 89.4°F |
| Phi Phi | 88.8°F | 89.4°F | 89.4°F |
| Ko Li Pe | 88.8°F | 89.6°F | 89.5°F |
| Mae Nam Beach | 88.7°F | 89.1°F | 88.3°F |
| Bo Phut Beach | 88.7°F | 89.1°F | 88.3°F |
| Samui | 88.7°F | 89.1°F | 88.3°F |
| Chaweng Beach | 88.7°F | 89.1°F | 88.3°F |
| Karon Beach | 88.7°F | 89.2°F | 89.4°F |
| Surat Thani | 88.7°F | 89.1°F | 89.2°F |
| Kata Beach | 88.7°F | 89.2°F | 89.4°F |
| Lamai Beach | 88.7°F | 89.1°F | 88.3°F |
| Choeng Mon Beach | 88.7°F | 89.1°F | 88.3°F |
| Nai Harn Beach | 88.6°F | 89.3°F | 89.3°F |
| Bangkok | 88.6°F | 88.8°F | 88.8°F |
| Rawai Beach | 88.6°F | 89.3°F | 89.3°F |
| Koh Lan | 88.5°F | 88.8°F | 88.4°F |
| Phangan | 88.5°F | 89.1°F | 88.3°F |
| Pattani | 88.5°F | 88.7°F | 87.9°F |
| Ko Phangan | 88.4°F | 89.0°F | 88.2°F |
| Tao | 88.3°F | 88.8°F | 88.1°F |
| Narathiwat | 88.0°F | 88.6°F | 87.5°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in March.
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 |  |
+82 |
| Hua Hin |  |
+82 |
| Koh Chang |  |
+84 |
| Krabi |  |
+82 |
| Narathiwat | |
+80 |
| Pattani | |
+78 |
| Pattaya | |
+84 |
| Phi Phi | |
+88 |
| Phuket | |
+84 |
| Prachuap Khiri Khan | |
+82 |
| Rayong |  |
+82 |
| Samet | |
+84 |
| Samui | |
+88 |
| Surat Thani | |
+80 |
