The Thailand resorts with the warmest sea water temperature in October are Koh Chang, Ko Wai and Trat.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2018 | October 2017 | October 2016 |
|---|---|---|---|
| Koh Chang | 90.6°F | 89.9°F | 88.1°F |
| Ko Wai | 90.4°F | 89.8°F | 87.9°F |
| Trat | 90.4°F | 89.7°F | 88.0°F |
| Ko Mak | 90.3°F | 89.7°F | 87.7°F |
| Cha-am | 90.1°F | 90.0°F | 88.7°F |
| Koh Kood | 90.0°F | 89.6°F | 87.5°F |
| Hua Hin | 89.9°F | 89.9°F | 88.6°F |
| Hat Yai | 89.9°F | 90.8°F | 88.8°F |
| Koh Lanta | 89.8°F | 89.6°F | 87.2°F |
| Samet | 89.8°F | 89.7°F | 88.3°F |
| Taling Ngam Beach | 89.7°F | 89.4°F | 87.1°F |
| Phi Phi | 89.7°F | 89.3°F | 86.9°F |
| Lamai Beach | 89.6°F | 89.5°F | 87.3°F |
| Rayong | 89.6°F | 89.7°F | 88.4°F |
| Chaweng Beach | 89.6°F | 89.4°F | 87.2°F |
| Samui | 89.6°F | 89.4°F | 87.2°F |
| Krabi | 89.6°F | 89.4°F | 87.0°F |
| Mae Nam Beach | 89.5°F | 89.3°F | 87.1°F |
| Bo Phut Beach | 89.5°F | 89.3°F | 87.1°F |
| Choeng Mon Beach | 89.5°F | 89.4°F | 87.2°F |
| Prachuap Khiri Khan | 89.5°F | 89.6°F | 87.9°F |
| Narathiwat | 89.5°F | 89.6°F | 88.2°F |
| Koh Lan | 89.4°F | 89.8°F | 88.7°F |
| Ko Li Pe | 89.4°F | 89.6°F | 87.2°F |
| Bangkok | 89.4°F | 89.9°F | 88.8°F |
| Phangan | 89.4°F | 89.3°F | 87.0°F |
| Ko Phangan | 89.3°F | 89.3°F | 87.0°F |
| Pattaya | 89.2°F | 89.8°F | 88.6°F |
| Jomtien | 89.1°F | 89.7°F | 88.6°F |
| Pattani | 89.1°F | 89.7°F | 88.1°F |
| Tao | 88.9°F | 89.2°F | 86.9°F |
| Cape Panwa | 88.9°F | 89.0°F | 86.7°F |
| Chumphon | 88.8°F | 89.1°F | 86.7°F |
| Nai Harn Beach | 88.8°F | 88.9°F | 86.5°F |
| Rawai Beach | 88.8°F | 88.9°F | 86.5°F |
| Kata Beach | 88.6°F | 88.8°F | 86.4°F |
| Karon Beach | 88.6°F | 88.8°F | 86.4°F |
| Similan | 88.6°F | 88.3°F | 85.9°F |
| Patong Beach | 88.5°F | 88.7°F | 86.3°F |
| Phuket | 88.4°F | 88.8°F | 86.4°F |
| Kalim Beach | 88.4°F | 88.7°F | 86.3°F |
| Kamala Beach | 88.3°F | 88.7°F | 86.3°F |
| Surin Beach | 88.3°F | 88.7°F | 86.3°F |
| Bang Tao Beach | 88.3°F | 88.7°F | 86.3°F |
| Surat Thani | 88.2°F | 89.3°F | 86.8°F |
| Nai Yang Beach | 88.2°F | 88.7°F | 86.2°F |
| Mai Khao Beach | 88.1°F | 88.7°F | 86.2°F |
| Khao Lak | 88.1°F | 88.6°F | 85.9°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in October.
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 |  |
+100 |
| Chumphon | |
+92 |
| Hua Hin | |
+92 |
| Koh Chang | |
+88 |
| Krabi |  |
+88 |
| Narathiwat |  |
+90 |
| Pattani | |
+92 |
| Pattaya |  |
+90 |
| Phi Phi |  |
+86 |
| Phuket | |
+88 |
| Prachuap Khiri Khan | |
+90 |
| Rayong |  |
+90 |
| Samet | |
+90 |
| Samui | |
+88 |
| Surat Thani | |
+92 |
