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 | 90.9°F | 90.7°F | 90.7°F |
| Pattani | 90.6°F | 89.9°F | 90.3°F |
| Narathiwat | 90.5°F | 90.2°F | 90.5°F |
| Hat Yai | 90.4°F | 90.1°F | 91.0°F |
| Koh Lanta | 90.2°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 |
| Cha-am | 89.5°F | 89.6°F | 90.4°F |
| Cape Panwa | 89.5°F | 90.1°F | 89.2°F |
| Phuket | 89.4°F | 89.7°F | 89.1°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 |
| Nai Harn Beach | 89.3°F | 90.1°F | 89.0°F |
| Rawai Beach | 89.3°F | 90.1°F | 89.0°F |
| Patong Beach | 89.3°F | 89.9°F | 89.0°F |
| Nai Yang Beach | 89.3°F | 89.3°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 |
| Mai Khao Beach | 89.3°F | 89.1°F | 89.1°F |
| Koh Lan | 89.3°F | 89.5°F | 90.5°F |
| Lamai Beach | 89.2°F | 90.0°F | 90.2°F |
| Chaweng Beach | 89.2°F | 89.9°F | 90.2°F |
| Choeng Mon Beach | 89.2°F | 89.9°F | 90.1°F |
| Samui | 89.1°F | 89.9°F | 90.1°F |
| Taling Ngam Beach | 89.1°F | 89.8°F | 90.1°F |
| Pattaya | 89.1°F | 89.3°F | 90.2°F |
| Ko Phangan | 89.1°F | 89.8°F | 90.1°F |
| Rayong | 89.1°F | 89.1°F | 90.2°F |
| Phangan | 89.1°F | 89.8°F | 90.1°F |
| Bo Phut Beach | 89.1°F | 89.9°F | 90.1°F |
| Mae Nam Beach | 89.1°F | 89.9°F | 90.1°F |
| Tao | 89.1°F | 89.8°F | 89.9°F |
| Jomtien | 89.1°F | 89.3°F | 90.2°F |
| Bangkok | 89.0°F | 89.1°F | 90.4°F |
| Hua Hin | 89.0°F | 89.5°F | 90.2°F |
| Samet | 88.9°F | 89.0°F | 90.0°F |
| Khao Lak | 88.8°F | 88.7°F | 89.1°F |
| Surat Thani | 88.7°F | 88.8°F | 89.1°F |
| Koh Chang | 88.5°F | 88.9°F | 88.9°F |
| Ko Wai | 88.5°F | 88.6°F | 89.0°F |
| Ko Mak | 88.4°F | 88.6°F | 89.1°F |
| Koh Kood | 88.4°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 |  |
+88 |
| Bangkok |  |
+82 |
| Karon Beach | |
+88 |
| Kata Beach | |
+88 |
| Khao Lak | |
+84 |
| Ko Li Pe | |
+84 |
| Koh Chang | |
+84 |
| Krabi | |
+86 |
| Patong Beach | |
+88 |
| Pattaya |  |
+88 |
| Phi Phi | |
+84 |
| Phuket | |
+88 |
| Samet | |
+84 |
| Samui | |
+84 |
| Similan | |
+84 |
