The Thailand resorts with the warmest sea water temperature in January are Ko Li Pe, Similan and Karon Beach.
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 2021 | January 2020 | January 2019 |
|---|---|---|---|
| Ko Li Pe | 87.8°F | 86.1°F | 87.9°F |
| Similan | 87.6°F | 87.3°F | 87.7°F |
| Karon Beach | 87.5°F | 86.7°F | 87.3°F |
| Kata Beach | 87.5°F | 86.7°F | 87.3°F |
| Khao Lak | 87.5°F | 87.0°F | 87.5°F |
| Patong Beach | 87.5°F | 86.9°F | 87.3°F |
| Nai Harn Beach | 87.5°F | 86.6°F | 87.3°F |
| Rawai Beach | 87.5°F | 86.6°F | 87.3°F |
| Kalim Beach | 87.4°F | 87.0°F | 87.3°F |
| Bang Tao Beach | 87.3°F | 87.1°F | 87.3°F |
| Surin Beach | 87.3°F | 87.1°F | 87.3°F |
| Kamala Beach | 87.3°F | 87.1°F | 87.3°F |
| Cape Panwa | 87.3°F | 86.7°F | 87.1°F |
| Phuket | 87.3°F | 87.2°F | 87.3°F |
| Nai Yang Beach | 87.2°F | 87.3°F | 87.3°F |
| Mai Khao Beach | 87.2°F | 87.3°F | 87.3°F |
| Phi Phi | 87.0°F | 86.6°F | 87.1°F |
| Krabi | 86.7°F | 86.6°F | 86.7°F |
| Koh Lanta | 86.7°F | 87.2°F | 87.0°F |
| Hat Yai | 86.3°F | 86.8°F | 86.7°F |
| Koh Kood | 86.0°F | 88.3°F | 87.4°F |
| Ko Mak | 85.9°F | 88.4°F | 87.3°F |
| Koh Chang | 85.9°F | 88.4°F | 87.1°F |
| Ko Wai | 85.8°F | 88.4°F | 87.3°F |
| Narathiwat | 85.7°F | 86.2°F | 86.5°F |
| Pattani | 85.7°F | 86.3°F | 86.4°F |
| Trat | 85.1°F | 87.9°F | 87.1°F |
| Lamai Beach | 85.0°F | 86.9°F | 86.5°F |
| Chaweng Beach | 84.9°F | 86.9°F | 86.5°F |
| Choeng Mon Beach | 84.9°F | 86.9°F | 86.5°F |
| Samui | 84.9°F | 86.9°F | 86.5°F |
| Mae Nam Beach | 84.9°F | 86.9°F | 86.5°F |
| Bo Phut Beach | 84.9°F | 86.9°F | 86.5°F |
| Taling Ngam Beach | 84.8°F | 86.9°F | 86.5°F |
| Ko Phangan | 84.8°F | 86.9°F | 86.5°F |
| Surat Thani | 84.7°F | 85.7°F | 85.4°F |
| Phangan | 84.7°F | 86.9°F | 86.5°F |
| Samet | 84.6°F | 87.6°F | 87.0°F |
| Tao | 84.4°F | 87.0°F | 86.5°F |
| Rayong | 84.2°F | 87.8°F | 87.0°F |
| Chumphon | 84.1°F | 87.2°F | 86.3°F |
| Koh Lan | 83.9°F | 87.1°F | 86.7°F |
| Pattaya | 83.8°F | 86.9°F | 86.6°F |
| Jomtien | 83.8°F | 87.0°F | 86.6°F |
| Prachuap Khiri Khan | 82.6°F | 86.4°F | 85.5°F |
| Bangkok | 82.4°F | 86.4°F | 85.3°F |
| Cha-am | 82.1°F | 86.4°F | 85.1°F |
| Hua Hin | 82.0°F | 86.2°F | 85.1°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 |  |
+80 |
| Chumphon | |
+76 |
| Hua Hin | |
+76 |
| Koh Chang | |
+78 |
| Krabi | |
+78 |
| Narathiwat |  |
+76 |
| Pattani |  |
+74 |
| Pattaya | |
+76 |
| Phi Phi | |
+82 |
| Phuket | |
+80 |
| Prachuap Khiri Khan | |
+74 |
| Rayong | |
+76 |
| Samet | |
+78 |
| Samui | |
+78 |
| Surat Thani | |
+74 |
