The Thailand resorts with the warmest sea water temperature at this moment are Bangkok, Ko Li Pe and Rayong.
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 |
June 2025 | July 2025 |
|---|---|---|---|
| Bangkok | 91.8°F | 90.4°F | 89.0°F |
| Ko Li Pe | 91.6°F | 90.3°F | 90.9°F |
| Rayong | 91.2°F | 90.1°F | 89.1°F |
| Koh Lan | 91.2°F | 90.2°F | 89.3°F |
| Pattaya | 91.2°F | 90.1°F | 89.1°F |
| Hat Yai | 91.2°F | 90.9°F | 90.4°F |
| Jomtien | 91.2°F | 90.1°F | 89.1°F |
| Cha-am | 91.0°F | 90.4°F | 89.5°F |
| Koh Lanta | 91.0°F | 90.0°F | 90.2°F |
| Samui | 90.8°F | 90.1°F | 89.1°F |
| Ko Phangan | 90.8°F | 90.0°F | 89.1°F |
| Phangan | 90.8°F | 90.0°F | 89.1°F |
| Samet | 90.8°F | 90.0°F | 88.9°F |
| Krabi | 90.8°F | 89.8°F | 89.8°F |
| Pattani | 90.8°F | 90.5°F | 90.6°F |
| Bo Phut Beach | 90.8°F | 90.1°F | 89.1°F |
| Choeng Mon Beach | 90.8°F | 90.2°F | 89.2°F |
| Chaweng Beach | 90.8°F | 90.2°F | 89.2°F |
| Taling Ngam Beach | 90.8°F | 90.1°F | 89.1°F |
| Lamai Beach | 90.8°F | 90.3°F | 89.2°F |
| Mae Nam Beach | 90.8°F | 90.1°F | 89.1°F |
| Tao | 90.6°F | 89.8°F | 89.1°F |
| Phi Phi | 90.6°F | 89.7°F | 89.7°F |
| Hua Hin | 90.6°F | 90.2°F | 89.0°F |
| Narathiwat | 90.6°F | 90.6°F | 90.5°F |
| Surat Thani | 90.6°F | 89.8°F | 88.7°F |
| Rawai Beach | 90.4°F | 89.3°F | 89.3°F |
| Nai Harn Beach | 90.4°F | 89.3°F | 89.3°F |
| Cape Panwa | 90.4°F | 89.4°F | 89.5°F |
| Phuket | 90.2°F | 89.3°F | 89.4°F |
| Patong Beach | 90.2°F | 89.3°F | 89.3°F |
| Surin Beach | 90.2°F | 89.2°F | 89.3°F |
| Karon Beach | 90.2°F | 89.3°F | 89.3°F |
| Kamala Beach | 90.2°F | 89.2°F | 89.3°F |
| Kalim Beach | 90.2°F | 89.2°F | 89.3°F |
| Bang Tao Beach | 90.2°F | 89.2°F | 89.3°F |
| Kata Beach | 90.2°F | 89.3°F | 89.3°F |
| Nai Yang Beach | 90.0°F | 89.2°F | 89.3°F |
| Mai Khao Beach | 90.0°F | 89.2°F | 89.3°F |
| Chumphon | 90.0°F | 89.1°F | 88.2°F |
| Trat | 89.8°F | 89.5°F | 88.3°F |
| Khao Lak | 89.8°F | 88.7°F | 88.8°F |
| Koh Chang | 89.8°F | 89.6°F | 88.5°F |
| Similan | 89.6°F | 88.9°F | 88.1°F |
| Ko Wai | 89.6°F | 89.6°F | 88.5°F |
| Ko Mak | 89.4°F | 89.6°F | 88.4°F |
| Koh Kood | 89.4°F | 89.5°F | 88.4°F |
| Prachuap Khiri Khan | 89.0°F | 89.2°F | 87.9°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 |  |
+90 |
| Cape Panwa | |
+86 |
| Hua Hin | |
+86 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak | |
+86 |
| Koh Chang | |
+88 |
| Nai Yang Beach | |
+86 |
| Pattaya | |
+86 |
| Phangan | |
+86 |
| Phi Phi | |
+86 |
| Phuket | |
+86 |
| Samet | |
+86 |
| Samui | |
+86 |
