The Thailand resorts with the warmest sea water temperature in July are Ko Li Pe, Pattani and Narathiwat.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in July for the last two years.
| Resort Name | July 2025 | July 2024 | July 2023 |
|---|---|---|---|
| Ko Li Pe | 90.8°F | 90.7°F | 90.7°F |
| Pattani | 90.6°F | 89.9°F | 90.3°F |
| Narathiwat | 90.4°F | 90.2°F | 90.5°F |
| Hat Yai | 90.4°F | 90.1°F | 91.0°F |
| Koh Lanta | 90.3°F | 89.7°F | 89.9°F |
| Krabi | 89.8°F | 89.9°F | 89.7°F |
| Phi Phi | 89.7°F | 90.2°F | 89.6°F |
| Cape Panwa | 89.4°F | 90.1°F | 89.2°F |
| Phuket | 89.4°F | 89.7°F | 89.1°F |
| Lamai Beach | 89.4°F | 90.0°F | 90.2°F |
| Rawai Beach | 89.3°F | 90.1°F | 89.0°F |
| Nai Harn Beach | 89.3°F | 90.1°F | 89.0°F |
| Koh Lan | 89.3°F | 89.5°F | 90.5°F |
| Surin Beach | 89.3°F | 89.6°F | 89.1°F |
| Kamala Beach | 89.3°F | 89.6°F | 89.1°F |
| Kalim Beach | 89.3°F | 89.8°F | 89.1°F |
| Bang Tao Beach | 89.3°F | 89.6°F | 89.1°F |
| Kata Beach | 89.3°F | 90.0°F | 89.0°F |
| Karon Beach | 89.3°F | 90.0°F | 89.0°F |
| Patong Beach | 89.3°F | 89.9°F | 89.0°F |
| Chaweng Beach | 89.3°F | 89.9°F | 90.2°F |
| Cha-am | 89.3°F | 89.6°F | 90.4°F |
| Choeng Mon Beach | 89.3°F | 89.9°F | 90.1°F |
| Rayong | 89.3°F | 89.1°F | 90.2°F |
| Nai Yang Beach | 89.2°F | 89.3°F | 89.1°F |
| Samui | 89.2°F | 89.9°F | 90.1°F |
| Pattaya | 89.2°F | 89.3°F | 90.2°F |
| Mai Khao Beach | 89.2°F | 89.1°F | 89.1°F |
| Taling Ngam Beach | 89.2°F | 89.8°F | 90.1°F |
| Bo Phut Beach | 89.2°F | 89.9°F | 90.1°F |
| Mae Nam Beach | 89.2°F | 89.9°F | 90.1°F |
| Jomtien | 89.1°F | 89.3°F | 90.2°F |
| Ko Phangan | 89.1°F | 89.8°F | 90.1°F |
| Phangan | 89.1°F | 89.8°F | 90.1°F |
| Tao | 89.0°F | 89.8°F | 89.9°F |
| Bangkok | 89.0°F | 89.1°F | 90.4°F |
| Samet | 89.0°F | 89.0°F | 90.0°F |
| Surat Thani | 89.0°F | 88.8°F | 89.1°F |
| Hua Hin | 88.9°F | 89.5°F | 90.2°F |
| Khao Lak | 88.7°F | 88.7°F | 89.1°F |
| Ko Wai | 88.5°F | 88.6°F | 89.0°F |
| Koh Chang | 88.4°F | 88.9°F | 88.9°F |
| Ko Mak | 88.4°F | 88.6°F | 89.1°F |
| Koh Kood | 88.3°F | 88.7°F | 89.2°F |
| Trat | 88.3°F | 88.2°F | 88.9°F |
| Chumphon | 88.2°F | 88.6°F | 89.0°F |
| Similan | 88.1°F | 89.1°F | 88.7°F |
| Prachuap Khiri Khan | 87.9°F | 88.8°F | 88.7°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in July.
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 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak |  |
+86 |
| Koh Chang | |
+86 |
| Krabi |  |
+88 |
| Patong Beach | |
+86 |
| Pattaya |  |
+88 |
| Phangan | |
+90 |
| Phi Phi | |
+88 |
| Phuket | |
+86 |
| Samet | |
+86 |
| Samui | |
+90 |
