The Thailand resorts with the warmest sea water temperature in August are Ko Li Pe, Narathiwat and Pattani.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in August for the last two years.
| Resort Name | August 2026 | August 2025 | August 2024 |
|---|---|---|---|
| Ko Li Pe | 91.1°F | 90.8°F | 91.0°F |
| Narathiwat | 91.0°F | 90.3°F | 90.7°F |
| Pattani | 90.9°F | 90.3°F | 90.6°F |
| Hat Yai | 90.9°F | 90.6°F | 90.8°F |
| Koh Lanta | 90.7°F | 90.2°F | 90.2°F |
| Krabi | 90.5°F | 89.9°F | 90.2°F |
| Bangkok | 90.3°F | 89.3°F | 89.7°F |
| Phi Phi | 90.3°F | 90.2°F | 90.6°F |
| Lamai Beach | 90.1°F | 89.5°F | 90.6°F |
| Surat Thani | 90.1°F | 89.2°F | 89.3°F |
| Chaweng Beach | 90.0°F | 89.5°F | 90.6°F |
| Taling Ngam Beach | 90.0°F | 89.4°F | 90.4°F |
| Samui | 90.0°F | 89.4°F | 90.6°F |
| Choeng Mon Beach | 89.9°F | 89.4°F | 90.6°F |
| Cape Panwa | 89.9°F | 89.7°F | 90.4°F |
| Bo Phut Beach | 89.9°F | 89.3°F | 90.5°F |
| Mae Nam Beach | 89.9°F | 89.3°F | 90.5°F |
| Ko Phangan | 89.9°F | 89.3°F | 90.5°F |
| Koh Lan | 89.9°F | 89.5°F | 90.1°F |
| Phangan | 89.9°F | 89.3°F | 90.5°F |
| Cha-am | 89.9°F | 90.0°F | 90.1°F |
| Pattaya | 89.8°F | 89.3°F | 89.7°F |
| Jomtien | 89.8°F | 89.3°F | 89.7°F |
| Phuket | 89.8°F | 89.6°F | 90.1°F |
| Hua Hin | 89.7°F | 89.4°F | 90.0°F |
| Rayong | 89.7°F | 89.2°F | 89.7°F |
| Kamala Beach | 89.6°F | 89.5°F | 90.0°F |
| Bang Tao Beach | 89.6°F | 89.5°F | 90.0°F |
| Surin Beach | 89.6°F | 89.5°F | 90.0°F |
| Kalim Beach | 89.6°F | 89.5°F | 90.0°F |
| Nai Yang Beach | 89.6°F | 89.5°F | 89.8°F |
| Mai Khao Beach | 89.5°F | 89.5°F | 89.7°F |
| Patong Beach | 89.5°F | 89.5°F | 90.2°F |
| Nai Harn Beach | 89.5°F | 89.6°F | 90.3°F |
| Rawai Beach | 89.5°F | 89.6°F | 90.3°F |
| Karon Beach | 89.5°F | 89.5°F | 90.2°F |
| Kata Beach | 89.5°F | 89.5°F | 90.2°F |
| Samet | 89.5°F | 89.3°F | 89.9°F |
| Khao Lak | 89.3°F | 88.7°F | 89.3°F |
| Tao | 89.2°F | 89.3°F | 90.3°F |
| Koh Chang | 89.2°F | 89.0°F | 89.8°F |
| Trat | 88.9°F | 89.0°F | 89.5°F |
| Ko Wai | 88.8°F | 88.9°F | 89.8°F |
| Similan | 88.6°F | 88.7°F | 89.5°F |
| Ko Mak | 88.6°F | 88.9°F | 89.9°F |
| Koh Kood | 88.5°F | 88.9°F | 89.9°F |
| Chumphon | 88.5°F | 88.6°F | 89.4°F |
| Prachuap Khiri Khan | 88.1°F | 88.3°F | 89.1°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in August.
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 |  |
+86 |
| Bangkok | |
+86 |
| Cape Panwa | |
+86 |
| Hua Hin | |
+86 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak | |
+84 |
| Koh Chang |  |
+86 |
| Nai Yang Beach | |
+86 |
| Pattaya | |
+84 |
| Phangan | |
+86 |
| Phi Phi | |
+88 |
| Phuket | |
+86 |
| Samet | |
+86 |
| Samui | |
+86 |
