The Thailand resorts with the warmest sea water temperature at this moment are Taling Ngam Beach, Ko Li Pe and Koh Lan.
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 |
July 2025 | August 2025 |
|---|---|---|---|
| Taling Ngam Beach | 92.0°F | 89.1°F | 89.4°F |
| Ko Li Pe | 91.6°F | 90.9°F | 90.8°F |
| Koh Lan | 91.6°F | 89.3°F | 89.5°F |
| Lamai Beach | 91.6°F | 89.2°F | 89.5°F |
| Samui | 91.4°F | 89.1°F | 89.4°F |
| Bangkok | 91.4°F | 89.0°F | 89.3°F |
| Pattaya | 91.4°F | 89.1°F | 89.3°F |
| Bo Phut Beach | 91.4°F | 89.1°F | 89.3°F |
| Jomtien | 91.4°F | 89.1°F | 89.3°F |
| Surat Thani | 91.4°F | 88.7°F | 89.2°F |
| Choeng Mon Beach | 91.4°F | 89.2°F | 89.4°F |
| Mae Nam Beach | 91.4°F | 89.1°F | 89.3°F |
| Chaweng Beach | 91.4°F | 89.2°F | 89.5°F |
| Rayong | 91.2°F | 89.1°F | 89.2°F |
| Krabi | 91.2°F | 89.8°F | 89.9°F |
| Phi Phi | 91.2°F | 89.7°F | 90.2°F |
| Koh Lanta | 91.2°F | 90.2°F | 90.2°F |
| Phangan | 91.0°F | 89.1°F | 89.3°F |
| Samet | 91.0°F | 88.9°F | 89.3°F |
| Ko Phangan | 91.0°F | 89.1°F | 89.3°F |
| Cha-am | 91.0°F | 89.5°F | 90.0°F |
| Tao | 90.8°F | 89.1°F | 89.3°F |
| Hat Yai | 90.8°F | 90.4°F | 90.6°F |
| Koh Chang | 90.8°F | 88.5°F | 89.0°F |
| Narathiwat | 90.8°F | 90.5°F | 90.3°F |
| Pattani | 90.8°F | 90.6°F | 90.3°F |
| Trat | 90.8°F | 88.3°F | 89.0°F |
| Hua Hin | 90.6°F | 89.0°F | 89.4°F |
| Cape Panwa | 90.4°F | 89.5°F | 89.7°F |
| Khao Lak | 90.2°F | 88.8°F | 88.7°F |
| Mai Khao Beach | 90.2°F | 89.3°F | 89.5°F |
| Nai Yang Beach | 90.2°F | 89.3°F | 89.5°F |
| Rawai Beach | 90.0°F | 89.3°F | 89.6°F |
| Surin Beach | 90.0°F | 89.3°F | 89.5°F |
| Nai Harn Beach | 90.0°F | 89.3°F | 89.6°F |
| Phuket | 90.0°F | 89.4°F | 89.6°F |
| Kamala Beach | 90.0°F | 89.3°F | 89.5°F |
| Kalim Beach | 90.0°F | 89.3°F | 89.5°F |
| Bang Tao Beach | 90.0°F | 89.3°F | 89.5°F |
| Ko Wai | 90.0°F | 88.5°F | 88.9°F |
| Ko Mak | 90.0°F | 88.4°F | 88.9°F |
| Patong Beach | 89.8°F | 89.3°F | 89.5°F |
| Karon Beach | 89.8°F | 89.3°F | 89.5°F |
| Chumphon | 89.8°F | 88.2°F | 88.6°F |
| Koh Kood | 89.8°F | 88.4°F | 88.9°F |
| Kata Beach | 89.8°F | 89.3°F | 89.5°F |
| Prachuap Khiri Khan | 89.6°F | 87.9°F | 88.3°F |
| Similan | 89.4°F | 88.1°F | 88.7°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 |  |
+86 |
| Bangkok |  |
+94 |
| Cape Panwa | |
+86 |
| Hua Hin | |
+90 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak |  |
+86 |
| Koh Chang | |
+88 |
| Nai Yang Beach | |
+86 |
| Pattaya | |
+88 |
| Phangan | |
+90 |
| Phi Phi | |
+88 |
| Phuket | |
+86 |
| Samet | |
+88 |
| Samui | |
+90 |
