The Thailand resorts with the warmest sea water temperature in October are Krabi, Koh Lanta and Phi Phi.
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 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Krabi | 91.3°F | 89.1°F | 89.2°F |
| Koh Lanta | 91.3°F | 89.3°F | 89.8°F |
| Phi Phi | 91.2°F | 88.9°F | 89.4°F |
| Hat Yai | 91.0°F | 89.6°F | 90.0°F |
| Taling Ngam Beach | 91.0°F | 88.9°F | 90.2°F |
| Lamai Beach | 90.9°F | 88.9°F | 90.1°F |
| Pattani | 90.8°F | 88.8°F | 89.3°F |
| Bo Phut Beach | 90.8°F | 88.7°F | 89.9°F |
| Mae Nam Beach | 90.8°F | 88.7°F | 89.9°F |
| Samui | 90.8°F | 88.8°F | 89.9°F |
| Chaweng Beach | 90.8°F | 88.8°F | 89.9°F |
| Ko Li Pe | 90.8°F | 89.2°F | 90.1°F |
| Choeng Mon Beach | 90.8°F | 88.7°F | 89.9°F |
| Phangan | 90.6°F | 88.6°F | 89.8°F |
| Ko Phangan | 90.6°F | 88.6°F | 89.8°F |
| Ko Wai | 90.6°F | 88.8°F | 90.1°F |
| Ko Mak | 90.5°F | 88.7°F | 89.9°F |
| Narathiwat | 90.5°F | 89.0°F | 89.5°F |
| Koh Chang | 90.5°F | 88.8°F | 90.4°F |
| Samet | 90.5°F | 89.0°F | 90.5°F |
| Cape Panwa | 90.5°F | 88.4°F | 89.1°F |
| Koh Kood | 90.5°F | 88.5°F | 89.8°F |
| Hua Hin | 90.4°F | 89.3°F | 90.6°F |
| Phuket | 90.4°F | 88.2°F | 89.1°F |
| Mai Khao Beach | 90.4°F | 88.3°F | 89.1°F |
| Nai Yang Beach | 90.4°F | 88.3°F | 89.1°F |
| Bang Tao Beach | 90.4°F | 88.1°F | 89.1°F |
| Kamala Beach | 90.4°F | 88.1°F | 89.1°F |
| Surin Beach | 90.4°F | 88.1°F | 89.1°F |
| Rayong | 90.3°F | 88.8°F | 90.5°F |
| Tao | 90.3°F | 88.5°F | 89.5°F |
| Khao Lak | 90.3°F | 87.9°F | 88.6°F |
| Nai Harn Beach | 90.3°F | 88.0°F | 89.0°F |
| Rawai Beach | 90.3°F | 88.0°F | 89.0°F |
| Kalim Beach | 90.3°F | 88.1°F | 89.0°F |
| Cha-am | 90.3°F | 89.5°F | 90.7°F |
| Patong Beach | 90.3°F | 88.0°F | 89.0°F |
| Karon Beach | 90.2°F | 88.0°F | 89.0°F |
| Kata Beach | 90.2°F | 88.0°F | 89.0°F |
| Koh Lan | 90.1°F | 88.7°F | 90.5°F |
| Surat Thani | 90.0°F | 88.4°F | 89.1°F |
| Trat | 90.0°F | 88.6°F | 90.1°F |
| Pattaya | 90.0°F | 88.6°F | 90.2°F |
| Jomtien | 90.0°F | 88.6°F | 90.1°F |
| Similan | 90.0°F | 87.7°F | 88.8°F |
| Bangkok | 90.0°F | 88.7°F | 90.0°F |
| Chumphon | 89.8°F | 88.3°F | 89.7°F |
| Prachuap Khiri Khan | 89.6°F | 88.7°F | 90.1°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°
| Bang Tao Beach |  |
+82 |
| Bangkok |  |
+80 |
| Cape Panwa | |
+82 |
| Jomtien | |
+80 |
| Karon Beach | |
+82 |
| Kata Beach | |
+82 |
| Khao Lak |  |
+78 |
| Koh Chang | |
+80 |
| Nai Yang Beach | |
+82 |
| Patong Beach | |
+82 |
| Pattaya | |
+78 |
| Phi Phi | |
+82 |
| Phuket | |
+82 |
| Samet | |
+78 |
| Samui | |
+80 |
