The Thailand resorts with the warmest sea water temperature in October are Koh Lanta, Krabi 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 |
|---|---|---|---|
| Koh Lanta | 91.3°F | 89.3°F | 89.8°F |
| Krabi | 91.3°F | 89.1°F | 89.2°F |
| Phi Phi | 91.3°F | 88.9°F | 89.4°F |
| Taling Ngam Beach | 91.1°F | 88.9°F | 90.2°F |
| Hat Yai | 90.9°F | 89.6°F | 90.0°F |
| Lamai Beach | 90.9°F | 88.9°F | 90.1°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 |
| Ko Li Pe | 90.8°F | 89.2°F | 90.1°F |
| Samui | 90.8°F | 88.8°F | 89.9°F |
| Chaweng Beach | 90.8°F | 88.8°F | 89.9°F |
| Choeng Mon Beach | 90.8°F | 88.7°F | 89.9°F |
| Phangan | 90.7°F | 88.6°F | 89.8°F |
| Pattani | 90.6°F | 88.8°F | 89.3°F |
| Ko Phangan | 90.6°F | 88.6°F | 89.8°F |
| Cape Panwa | 90.5°F | 88.4°F | 89.1°F |
| Narathiwat | 90.4°F | 89.0°F | 89.5°F |
| Phuket | 90.4°F | 88.2°F | 89.1°F |
| Nai Yang Beach | 90.3°F | 88.3°F | 89.1°F |
| Mai Khao Beach | 90.3°F | 88.3°F | 89.1°F |
| Surin Beach | 90.3°F | 88.1°F | 89.1°F |
| Bang Tao Beach | 90.3°F | 88.1°F | 89.1°F |
| Kamala Beach | 90.3°F | 88.1°F | 89.1°F |
| Hua Hin | 90.3°F | 89.3°F | 90.6°F |
| Rawai Beach | 90.3°F | 88.0°F | 89.0°F |
| Nai Harn Beach | 90.3°F | 88.0°F | 89.0°F |
| Kalim Beach | 90.2°F | 88.1°F | 89.0°F |
| Patong Beach | 90.2°F | 88.0°F | 89.0°F |
| Tao | 90.2°F | 88.5°F | 89.5°F |
| Kata Beach | 90.2°F | 88.0°F | 89.0°F |
| Karon Beach | 90.2°F | 88.0°F | 89.0°F |
| Cha-am | 90.2°F | 89.5°F | 90.7°F |
| Khao Lak | 90.1°F | 87.9°F | 88.6°F |
| Ko Wai | 90.1°F | 88.8°F | 90.1°F |
| Ko Mak | 90.1°F | 88.7°F | 89.9°F |
| Samet | 90.1°F | 89.0°F | 90.5°F |
| Koh Kood | 90.1°F | 88.5°F | 89.8°F |
| Rayong | 90.0°F | 88.8°F | 90.5°F |
| Koh Chang | 90.0°F | 88.8°F | 90.4°F |
| Similan | 89.8°F | 87.7°F | 88.8°F |
| Surat Thani | 89.8°F | 88.4°F | 89.1°F |
| Koh Lan | 89.8°F | 88.7°F | 90.5°F |
| Chumphon | 89.8°F | 88.3°F | 89.7°F |
| Jomtien | 89.7°F | 88.6°F | 90.1°F |
| Pattaya | 89.7°F | 88.6°F | 90.2°F |
| Bangkok | 89.6°F | 88.7°F | 90.0°F |
| Prachuap Khiri Khan | 89.5°F | 88.7°F | 90.1°F |
| Trat | 89.4°F | 88.6°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°
| Bangkok |  |
+96 |
| Cape Panwa |  |
+90 |
| Hua Hin |  |
+88 |
| Jomtien | |
+88 |
| Karon Beach | |
+90 |
| Kata Beach | |
+90 |
| Khao Lak |  |
+90 |
| Koh Chang | |
+88 |
| Krabi | |
+96 |
| Nai Yang Beach | |
+90 |
| Pattaya | |
+88 |
| Phi Phi | |
+86 |
| Phuket | |
+90 |
| Samet | |
+88 |
| Samui | |
+88 |
