The Thailand resorts with the warmest sea water temperature in March are Khao Lak, Trat and Mai Khao Beach.
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 2021 | March 2020 | March 2019 |
|---|---|---|---|
| Khao Lak | 89.7°F | 89.2°F | 89.3°F |
| Trat | 89.7°F | 89.9°F | 90.4°F |
| Mai Khao Beach | 89.5°F | 89.3°F | 89.6°F |
| Nai Yang Beach | 89.5°F | 89.2°F | 89.6°F |
| Phuket | 89.5°F | 89.2°F | 89.6°F |
| Bang Tao Beach | 89.4°F | 89.1°F | 89.4°F |
| Surin Beach | 89.4°F | 89.1°F | 89.4°F |
| Kamala Beach | 89.4°F | 89.1°F | 89.4°F |
| Similan | 89.3°F | 88.9°F | 89.0°F |
| Chumphon | 89.3°F | 90.0°F | 90.7°F |
| Kalim Beach | 89.3°F | 88.9°F | 89.4°F |
| Patong Beach | 89.3°F | 88.8°F | 89.3°F |
| Koh Lanta | 89.2°F | 89.9°F | 90.5°F |
| Karon Beach | 89.2°F | 88.7°F | 89.2°F |
| Kata Beach | 89.2°F | 88.7°F | 89.2°F |
| Cape Panwa | 89.1°F | 89.0°F | 89.5°F |
| Nai Harn Beach | 89.0°F | 88.6°F | 89.3°F |
| Rawai Beach | 89.0°F | 88.6°F | 89.3°F |
| Ko Wai | 89.0°F | 89.4°F | 89.6°F |
| Koh Kood | 89.0°F | 89.3°F | 89.5°F |
| Koh Chang | 89.0°F | 89.5°F | 89.7°F |
| Krabi | 88.9°F | 89.8°F | 90.3°F |
| Ko Li Pe | 88.9°F | 88.8°F | 89.6°F |
| Ko Mak | 88.9°F | 89.4°F | 89.5°F |
| Hat Yai | 88.9°F | 89.7°F | 90.1°F |
| Phi Phi | 88.8°F | 88.8°F | 89.4°F |
| Rayong | 88.8°F | 89.6°F | 89.9°F |
| Samet | 88.7°F | 89.3°F | 89.8°F |
| Bangkok | 88.4°F | 88.6°F | 88.8°F |
| Cha-am | 88.4°F | 89.0°F | 89.2°F |
| Surat Thani | 88.2°F | 88.7°F | 89.1°F |
| Pattaya | 88.1°F | 88.9°F | 89.1°F |
| Jomtien | 88.1°F | 88.9°F | 89.1°F |
| Hua Hin | 88.0°F | 88.9°F | 89.2°F |
| Taling Ngam Beach | 88.0°F | 88.8°F | 89.2°F |
| Pattani | 87.9°F | 88.5°F | 88.7°F |
| Mae Nam Beach | 87.8°F | 88.7°F | 89.1°F |
| Bo Phut Beach | 87.8°F | 88.7°F | 89.1°F |
| Samui | 87.8°F | 88.7°F | 89.1°F |
| Lamai Beach | 87.8°F | 88.7°F | 89.1°F |
| Chaweng Beach | 87.8°F | 88.7°F | 89.1°F |
| Narathiwat | 87.8°F | 88.0°F | 88.6°F |
| Phangan | 87.8°F | 88.5°F | 89.1°F |
| Choeng Mon Beach | 87.8°F | 88.7°F | 89.1°F |
| Koh Lan | 87.7°F | 88.5°F | 88.8°F |
| Ko Phangan | 87.7°F | 88.4°F | 89.0°F |
| Tao | 87.6°F | 88.3°F | 88.8°F |
| Prachuap Khiri Khan | 87.5°F | 88.9°F | 89.3°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 |  |
+90 |
| Chumphon |  |
+86 |
| Hua Hin | |
+86 |
| Koh Chang | |
+88 |
| Krabi |  |
+86 |
| Narathiwat | |
+84 |
| Pattani | |
+84 |
| Pattaya | |
+86 |
| Phi Phi | |
+80 |
| Phuket | |
+78 |
| Prachuap Khiri Khan | |
+84 |
| Rayong | |
+88 |
| Samet |  |
+88 |
| Samui | |
+82 |
| Surat Thani | |
+84 |
