The Thailand resorts with the warmest sea water temperature in January are Ko Li Pe, Similan and Khao Lak.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in January for the last two years.
| Resort Name | January 2019 | January 2018 | January 2017 |
|---|---|---|---|
| Ko Li Pe | 87.9°F | 87.7°F | 88.1°F |
| Similan | 87.7°F | 87.3°F | 87.0°F |
| Khao Lak | 87.5°F | 87.5°F | 87.3°F |
| Koh Kood | 87.4°F | 86.0°F | 87.3°F |
| Mai Khao Beach | 87.3°F | 87.4°F | 87.4°F |
| Ko Mak | 87.3°F | 86.0°F | 87.1°F |
| Nai Yang Beach | 87.3°F | 87.4°F | 87.4°F |
| Surin Beach | 87.3°F | 87.4°F | 87.4°F |
| Bang Tao Beach | 87.3°F | 87.4°F | 87.4°F |
| Kamala Beach | 87.3°F | 87.4°F | 87.4°F |
| Kata Beach | 87.3°F | 87.4°F | 87.5°F |
| Karon Beach | 87.3°F | 87.4°F | 87.5°F |
| Kalim Beach | 87.3°F | 87.4°F | 87.4°F |
| Patong Beach | 87.3°F | 87.4°F | 87.5°F |
| Ko Wai | 87.3°F | 86.0°F | 87.0°F |
| Phuket | 87.3°F | 87.3°F | 87.4°F |
| Nai Harn Beach | 87.3°F | 87.4°F | 87.5°F |
| Rawai Beach | 87.3°F | 87.4°F | 87.5°F |
| Cape Panwa | 87.1°F | 87.2°F | 87.4°F |
| Phi Phi | 87.1°F | 87.2°F | 87.4°F |
| Koh Chang | 87.1°F | 86.0°F | 86.8°F |
| Trat | 87.1°F | 85.9°F | 87.2°F |
| Koh Lanta | 87.0°F | 87.1°F | 87.4°F |
| Samet | 87.0°F | 85.1°F | 86.2°F |
| Rayong | 87.0°F | 85.0°F | 86.3°F |
| Koh Lan | 86.7°F | 84.2°F | 85.6°F |
| Krabi | 86.7°F | 87.0°F | 87.2°F |
| Hat Yai | 86.7°F | 86.2°F | 86.8°F |
| Jomtien | 86.6°F | 84.2°F | 85.8°F |
| Pattaya | 86.6°F | 84.2°F | 85.7°F |
| Narathiwat | 86.5°F | 85.5°F | 86.3°F |
| Choeng Mon Beach | 86.5°F | 85.4°F | 85.9°F |
| Chaweng Beach | 86.5°F | 85.4°F | 85.9°F |
| Lamai Beach | 86.5°F | 85.5°F | 85.9°F |
| Taling Ngam Beach | 86.5°F | 85.3°F | 85.8°F |
| Mae Nam Beach | 86.5°F | 85.3°F | 85.8°F |
| Bo Phut Beach | 86.5°F | 85.3°F | 85.8°F |
| Samui | 86.5°F | 85.4°F | 85.9°F |
| Phangan | 86.5°F | 85.2°F | 85.8°F |
| Ko Phangan | 86.5°F | 85.2°F | 85.8°F |
| Tao | 86.5°F | 85.0°F | 85.6°F |
| Pattani | 86.4°F | 85.6°F | 86.4°F |
| Chumphon | 86.3°F | 84.9°F | 85.4°F |
| Prachuap Khiri Khan | 85.5°F | 83.6°F | 84.7°F |
| Surat Thani | 85.4°F | 85.6°F | 85.9°F |
| Bangkok | 85.3°F | 83.8°F | 85.0°F |
| Hua Hin | 85.1°F | 83.0°F | 84.3°F |
| Cha-am | 85.1°F | 83.1°F | 84.3°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in January.
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 | |
+76 |
| Hua Hin |  |
+74 |
| Koh Chang | |
+82 |
| Krabi | |
+80 |
| Narathiwat |  |
+80 |
| Pattani | |
+76 |
| Pattaya | |
+80 |
| Phi Phi | |
+84 |
| Phuket |  |
+82 |
| Prachuap Khiri Khan | |
+74 |
| Rayong | |
+82 |
| Samet | |
+74 |
| Samui | |
+70 |
| Surat Thani | |
+78 |
