The Thailand resorts with the warmest sea water temperature in March are Trat, Khao Lak 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 2025 | March 2024 | March 2023 |
|---|---|---|---|
| Trat | 89.8°F | 90.9°F | 88.4°F |
| Khao Lak | 89.7°F | 90.1°F | 88.7°F |
| Koh Lanta | 89.5°F | 89.9°F | 88.3°F |
| Mai Khao Beach | 89.5°F | 90.0°F | 88.4°F |
| Nai Yang Beach | 89.5°F | 90.0°F | 88.4°F |
| Phuket | 89.5°F | 90.0°F | 88.3°F |
| Krabi | 89.5°F | 90.0°F | 88.4°F |
| Surin Beach | 89.4°F | 89.9°F | 88.3°F |
| Kamala Beach | 89.4°F | 89.9°F | 88.3°F |
| Bang Tao Beach | 89.4°F | 89.9°F | 88.3°F |
| Kalim Beach | 89.3°F | 89.8°F | 88.2°F |
| Koh Kood | 89.3°F | 90.4°F | 87.9°F |
| Cape Panwa | 89.3°F | 89.7°F | 88.1°F |
| Similan | 89.3°F | 89.9°F | 88.4°F |
| Patong Beach | 89.2°F | 89.8°F | 88.1°F |
| Phi Phi | 89.2°F | 89.5°F | 88.0°F |
| Ko Li Pe | 89.2°F | 89.5°F | 88.1°F |
| Kata Beach | 89.1°F | 89.7°F | 88.0°F |
| Karon Beach | 89.1°F | 89.7°F | 88.0°F |
| Koh Chang | 89.1°F | 90.3°F | 88.0°F |
| Samet | 89.0°F | 90.4°F | 87.9°F |
| Nai Harn Beach | 89.0°F | 89.5°F | 87.9°F |
| Rawai Beach | 89.0°F | 89.5°F | 87.9°F |
| Rayong | 89.0°F | 90.6°F | 88.0°F |
| Hat Yai | 89.0°F | 90.3°F | 87.7°F |
| Ko Wai | 89.0°F | 90.2°F | 87.8°F |
| Chumphon | 89.0°F | 90.7°F | 88.2°F |
| Ko Mak | 88.9°F | 90.2°F | 87.8°F |
| Surat Thani | 88.7°F | 89.3°F | 87.9°F |
| Choeng Mon Beach | 88.6°F | 89.4°F | 87.1°F |
| Phangan | 88.5°F | 89.4°F | 87.2°F |
| Chaweng Beach | 88.5°F | 89.4°F | 87.1°F |
| Bo Phut Beach | 88.5°F | 89.5°F | 87.1°F |
| Mae Nam Beach | 88.5°F | 89.5°F | 87.1°F |
| Samui | 88.5°F | 89.4°F | 87.1°F |
| Taling Ngam Beach | 88.5°F | 89.5°F | 87.2°F |
| Lamai Beach | 88.5°F | 89.4°F | 87.1°F |
| Tao | 88.5°F | 89.2°F | 87.2°F |
| Ko Phangan | 88.5°F | 89.4°F | 87.1°F |
| Cha-am | 88.5°F | 89.8°F | 87.0°F |
| Hua Hin | 88.1°F | 89.7°F | 86.6°F |
| Bangkok | 88.1°F | 89.5°F | 86.7°F |
| Jomtien | 88.1°F | 90.0°F | 87.2°F |
| Pattaya | 88.0°F | 90.0°F | 87.2°F |
| Koh Lan | 87.7°F | 89.8°F | 86.9°F |
| Pattani | 87.6°F | 89.1°F | 86.6°F |
| Prachuap Khiri Khan | 87.4°F | 89.0°F | 86.5°F |
| Narathiwat | 87.4°F | 89.3°F | 86.8°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°
| Bang Tao Beach |  |
+86 |
| Bangkok | |
+82 |
| Hua Hin |  |
+84 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak |  |
+86 |
| Koh Chang | |
+82 |
| Krabi | |
+86 |
| Patong Beach | |
+86 |
| Pattaya |  |
+84 |
| Phangan | |
+86 |
| Phi Phi | |
+86 |
| Phuket | |
+86 |
| Samet | |
+84 |
| Samui | |
+86 |
