The Thailand resorts with the warmest sea water temperature in July are Ko Li Pe, Cha-am and Taling Ngam Beach.
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 2026 | July 2025 | July 2024 |
|---|---|---|---|
| Ko Li Pe | 91.2°F | 90.9°F | 90.7°F |
| Cha-am | 91.1°F | 89.5°F | 89.6°F |
| Taling Ngam Beach | 91.0°F | 89.1°F | 89.8°F |
| Koh Lan | 91.0°F | 89.3°F | 89.5°F |
| Lamai Beach | 91.0°F | 89.2°F | 90.0°F |
| Bangkok | 90.9°F | 89.0°F | 89.1°F |
| Pattaya | 90.9°F | 89.1°F | 89.3°F |
| Chaweng Beach | 90.9°F | 89.2°F | 89.9°F |
| Samui | 90.9°F | 89.1°F | 89.9°F |
| Hat Yai | 90.9°F | 90.4°F | 90.1°F |
| Jomtien | 90.8°F | 89.1°F | 89.3°F |
| Pattani | 90.8°F | 90.6°F | 89.9°F |
| Bo Phut Beach | 90.8°F | 89.1°F | 89.9°F |
| Mae Nam Beach | 90.8°F | 89.1°F | 89.9°F |
| Choeng Mon Beach | 90.8°F | 89.2°F | 89.9°F |
| Koh Lanta | 90.8°F | 90.2°F | 89.7°F |
| Narathiwat | 90.8°F | 90.5°F | 90.2°F |
| Hua Hin | 90.8°F | 89.0°F | 89.5°F |
| Krabi | 90.7°F | 89.8°F | 89.9°F |
| Surat Thani | 90.6°F | 88.7°F | 88.8°F |
| Phangan | 90.6°F | 89.1°F | 89.8°F |
| Ko Phangan | 90.6°F | 89.1°F | 89.8°F |
| Phi Phi | 90.5°F | 89.7°F | 90.2°F |
| Samet | 90.5°F | 88.9°F | 89.0°F |
| Rayong | 90.4°F | 89.1°F | 89.1°F |
| Trat | 90.2°F | 88.3°F | 88.2°F |
| Tao | 90.1°F | 89.1°F | 89.8°F |
| Koh Chang | 90.1°F | 88.5°F | 88.9°F |
| Mai Khao Beach | 90.1°F | 89.3°F | 89.1°F |
| Cape Panwa | 90.1°F | 89.5°F | 90.1°F |
| Nai Yang Beach | 90.0°F | 89.3°F | 89.3°F |
| Phuket | 90.0°F | 89.4°F | 89.7°F |
| Khao Lak | 90.0°F | 88.8°F | 88.7°F |
| Surin Beach | 89.9°F | 89.3°F | 89.6°F |
| Kamala Beach | 89.9°F | 89.3°F | 89.6°F |
| Bang Tao Beach | 89.9°F | 89.3°F | 89.6°F |
| Kalim Beach | 89.9°F | 89.3°F | 89.8°F |
| Patong Beach | 89.9°F | 89.3°F | 89.9°F |
| Karon Beach | 89.9°F | 89.3°F | 90.0°F |
| Kata Beach | 89.9°F | 89.3°F | 90.0°F |
| Rawai Beach | 89.9°F | 89.3°F | 90.1°F |
| Nai Harn Beach | 89.9°F | 89.3°F | 90.1°F |
| Ko Wai | 89.8°F | 88.5°F | 88.6°F |
| Ko Mak | 89.8°F | 88.4°F | 88.6°F |
| Koh Kood | 89.7°F | 88.4°F | 88.7°F |
| Chumphon | 89.5°F | 88.2°F | 88.6°F |
| Prachuap Khiri Khan | 89.5°F | 87.9°F | 88.8°F |
| Similan | 89.3°F | 88.1°F | 89.1°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 |  |
+82 |
| Bangkok |  |
+84 |
| Cape Panwa | |
+82 |
| Hua Hin | |
+82 |
| Karon Beach | |
+82 |
| Kata Beach | |
+82 |
| Khao Lak | |
+82 |
| Koh Chang |  |
+84 |
| Nai Yang Beach | |
+82 |
| Pattaya | |
+84 |
| Phangan | |
+86 |
| Phi Phi | |
+86 |
| Phuket | |
+84 |
| Samet | |
+84 |
| Samui | |
+86 |
