The Thailand resorts with the warmest sea water temperature at this moment are Trat, Koh Chang and Rayong.
Below you can see a list of all popular Thailand resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
November 2025 | December 2025 |
|---|---|---|---|
| Trat | 92.2°F | 88.0°F | 85.7°F |
| Koh Chang | 91.6°F | 87.9°F | 86.0°F |
| Rayong | 91.6°F | 87.6°F | 85.5°F |
| Samet | 91.6°F | 87.5°F | 85.5°F |
| Phuket | 91.4°F | 87.5°F | 87.3°F |
| Surin Beach | 91.4°F | 87.5°F | 87.3°F |
| Patong Beach | 91.4°F | 87.5°F | 87.3°F |
| Cape Panwa | 91.4°F | 87.6°F | 87.2°F |
| Kamala Beach | 91.4°F | 87.5°F | 87.3°F |
| Kalim Beach | 91.4°F | 87.5°F | 87.3°F |
| Bang Tao Beach | 91.4°F | 87.5°F | 87.3°F |
| Ko Wai | 91.4°F | 87.9°F | 85.9°F |
| Phi Phi | 91.4°F | 87.9°F | 87.4°F |
| Kata Beach | 91.2°F | 87.5°F | 87.4°F |
| Ko Mak | 91.2°F | 88.0°F | 86.2°F |
| Karon Beach | 91.2°F | 87.5°F | 87.4°F |
| Pattani | 91.2°F | 87.8°F | 86.3°F |
| Mai Khao Beach | 91.2°F | 87.6°F | 87.3°F |
| Nai Harn Beach | 91.2°F | 87.5°F | 87.4°F |
| Nai Yang Beach | 91.2°F | 87.6°F | 87.3°F |
| Rawai Beach | 91.2°F | 87.5°F | 87.4°F |
| Koh Lan | 91.2°F | 87.1°F | 84.7°F |
| Koh Kood | 91.2°F | 88.2°F | 86.8°F |
| Ko Li Pe | 91.0°F | 87.8°F | 87.9°F |
| Khao Lak | 91.0°F | 87.8°F | 87.7°F |
| Krabi | 91.0°F | 88.2°F | 87.4°F |
| Koh Lanta | 91.0°F | 88.5°F | 87.2°F |
| Jomtien | 91.0°F | 87.1°F | 84.6°F |
| Pattaya | 91.0°F | 87.1°F | 84.6°F |
| Narathiwat | 91.0°F | 87.7°F | 86.4°F |
| Hat Yai | 91.0°F | 88.3°F | 86.7°F |
| Similan | 90.8°F | 87.7°F | 87.3°F |
| Lamai Beach | 90.6°F | 87.0°F | 85.5°F |
| Chumphon | 90.6°F | 87.3°F | 84.4°F |
| Prachuap Khiri Khan | 90.6°F | 86.9°F | 83.5°F |
| Taling Ngam Beach | 90.6°F | 87.0°F | 85.4°F |
| Choeng Mon Beach | 90.4°F | 87.0°F | 85.4°F |
| Chaweng Beach | 90.4°F | 87.0°F | 85.5°F |
| Cha-am | 90.4°F | 86.8°F | 83.7°F |
| Hua Hin | 90.4°F | 86.9°F | 83.7°F |
| Samui | 90.4°F | 87.0°F | 85.4°F |
| Tao | 90.2°F | 87.1°F | 84.9°F |
| Mae Nam Beach | 90.2°F | 87.0°F | 85.4°F |
| Bo Phut Beach | 90.2°F | 87.0°F | 85.4°F |
| Ko Phangan | 90.2°F | 87.1°F | 84.9°F |
| Phangan | 90.2°F | 87.1°F | 84.9°F |
| Surat Thani | 90.0°F | 87.0°F | 84.5°F |
| Bangkok | 90.0°F | 86.8°F | 83.4°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts for more details.
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 |  |
+90 |
| Bangkok | |
+92 |
| Cape Panwa | |
+90 |
| Jomtien | |
+90 |
| Karon Beach | |
+90 |
| Kata Beach | |
+90 |
| Khao Lak | |
+92 |
| Koh Chang |  |
+90 |
| Nai Yang Beach | |
+90 |
| Patong Beach | |
+90 |
| Pattaya | |
+92 |
| Phi Phi |  |
+88 |
| Phuket | |
+90 |
| Samet | |
+90 |
| Samui | |
+86 |
