The Thailand resorts with the warmest sea water temperature in January are Ko Li Pe, Similan and Koh Lanta.
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 2023 | January 2022 | January 2021 |
|---|---|---|---|
| Ko Li Pe | 87.3°F | 87.8°F | 87.6°F |
| Similan | 86.9°F | 87.4°F | 87.4°F |
| Koh Lanta | 86.8°F | 87.3°F | 86.7°F |
| Khao Lak | 86.8°F | 87.9°F | 87.5°F |
| Phi Phi | 86.8°F | 87.3°F | 87.0°F |
| Mai Khao Beach | 86.7°F | 87.6°F | 87.3°F |
| Nai Yang Beach | 86.7°F | 87.6°F | 87.3°F |
| Krabi | 86.7°F | 87.1°F | 86.7°F |
| Bang Tao Beach | 86.6°F | 87.6°F | 87.3°F |
| Kalim Beach | 86.6°F | 87.5°F | 87.4°F |
| Surin Beach | 86.6°F | 87.6°F | 87.3°F |
| Kamala Beach | 86.6°F | 87.6°F | 87.3°F |
| Nai Harn Beach | 86.6°F | 87.5°F | 87.3°F |
| Rawai Beach | 86.6°F | 87.5°F | 87.3°F |
| Karon Beach | 86.6°F | 87.5°F | 87.4°F |
| Kata Beach | 86.6°F | 87.5°F | 87.4°F |
| Phuket | 86.6°F | 87.5°F | 87.3°F |
| Patong Beach | 86.6°F | 87.5°F | 87.4°F |
| Cape Panwa | 86.5°F | 87.5°F | 87.2°F |
| Hat Yai | 86.5°F | 86.5°F | 86.3°F |
| Narathiwat | 85.7°F | 86.1°F | 85.6°F |
| Pattani | 85.7°F | 86.1°F | 85.6°F |
| Koh Kood | 85.6°F | 87.3°F | 85.7°F |
| Lamai Beach | 85.5°F | 86.3°F | 85.0°F |
| Chaweng Beach | 85.5°F | 86.3°F | 85.0°F |
| Taling Ngam Beach | 85.4°F | 86.4°F | 84.9°F |
| Samui | 85.4°F | 86.3°F | 84.9°F |
| Choeng Mon Beach | 85.4°F | 86.3°F | 84.9°F |
| Mae Nam Beach | 85.4°F | 86.3°F | 84.9°F |
| Bo Phut Beach | 85.4°F | 86.3°F | 84.9°F |
| Koh Chang | 85.3°F | 87.0°F | 85.6°F |
| Ko Mak | 85.3°F | 87.2°F | 85.6°F |
| Surat Thani | 85.3°F | 85.5°F | 85.0°F |
| Phangan | 85.3°F | 86.2°F | 84.8°F |
| Ko Phangan | 85.3°F | 86.1°F | 84.8°F |
| Ko Wai | 85.1°F | 87.0°F | 85.5°F |
| Samet | 85.0°F | 86.4°F | 84.4°F |
| Rayong | 84.8°F | 86.5°F | 84.1°F |
| Tao | 84.8°F | 86.0°F | 84.4°F |
| Trat | 84.7°F | 86.8°F | 84.9°F |
| Jomtien | 84.3°F | 85.8°F | 83.6°F |
| Koh Lan | 84.3°F | 85.8°F | 83.6°F |
| Pattaya | 84.3°F | 85.8°F | 83.5°F |
| Chumphon | 84.2°F | 86.1°F | 84.2°F |
| Prachuap Khiri Khan | 83.1°F | 85.2°F | 82.6°F |
| Cha-am | 83.0°F | 85.2°F | 81.9°F |
| Bangkok | 83.0°F | 84.8°F | 82.3°F |
| Hua Hin | 83.0°F | 85.1°F | 81.9°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 |  |
+80 |
| Hua Hin |  |
+82 |
| Koh Chang | |
+82 |
| Krabi | |
+80 |
| Narathiwat |  |
+82 |
| Pattani | |
+80 |
| Pattaya | |
+82 |
| Phi Phi | |
+86 |
| Phuket | |
+86 |
| Prachuap Khiri Khan | |
+78 |
| Rayong | |
+82 |
| Samet | |
+82 |
| Samui | |
+86 |
| Surat Thani | |
+80 |
