The Thailand resorts with the warmest sea water temperature in July are Cha-am, Lamai Beach and Chaweng 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 2020 | July 2019 | July 2018 |
|---|---|---|---|
| Cha-am | 91.3°F | 90.0°F | 89.8°F |
| Lamai Beach | 91.1°F | 90.8°F | 89.1°F |
| Chaweng Beach | 91.0°F | 90.7°F | 89.1°F |
| Choeng Mon Beach | 90.9°F | 90.7°F | 89.0°F |
| Samui | 90.9°F | 90.7°F | 89.0°F |
| Hua Hin | 90.9°F | 89.7°F | 89.6°F |
| Mae Nam Beach | 90.8°F | 90.7°F | 89.0°F |
| Bo Phut Beach | 90.8°F | 90.7°F | 89.0°F |
| Ko Phangan | 90.7°F | 90.6°F | 88.8°F |
| Koh Lan | 90.7°F | 90.0°F | 89.5°F |
| Taling Ngam Beach | 90.7°F | 90.7°F | 89.0°F |
| Phangan | 90.7°F | 90.6°F | 88.7°F |
| Nai Harn Beach | 90.6°F | 90.7°F | 88.4°F |
| Rawai Beach | 90.6°F | 90.7°F | 88.4°F |
| Karon Beach | 90.6°F | 90.7°F | 88.3°F |
| Cape Panwa | 90.6°F | 90.9°F | 88.6°F |
| Kata Beach | 90.6°F | 90.7°F | 88.3°F |
| Tao | 90.6°F | 90.3°F | 88.4°F |
| Bangkok | 90.6°F | 90.2°F | 89.4°F |
| Hat Yai | 90.5°F | 90.3°F | 89.5°F |
| Patong Beach | 90.5°F | 90.7°F | 88.3°F |
| Phi Phi | 90.5°F | 91.0°F | 89.1°F |
| Kalim Beach | 90.5°F | 90.8°F | 88.3°F |
| Bang Tao Beach | 90.4°F | 90.8°F | 88.3°F |
| Surin Beach | 90.4°F | 90.8°F | 88.3°F |
| Kamala Beach | 90.4°F | 90.8°F | 88.3°F |
| Phuket | 90.4°F | 90.9°F | 88.4°F |
| Narathiwat | 90.4°F | 90.5°F | 89.6°F |
| Jomtien | 90.4°F | 89.7°F | 89.4°F |
| Pattaya | 90.3°F | 89.7°F | 89.4°F |
| Ko Li Pe | 90.3°F | 90.4°F | 90.0°F |
| Rayong | 90.3°F | 89.7°F | 88.9°F |
| Pattani | 90.3°F | 90.4°F | 89.7°F |
| Nai Yang Beach | 90.2°F | 90.7°F | 88.3°F |
| Krabi | 90.2°F | 90.7°F | 89.3°F |
| Mai Khao Beach | 90.1°F | 90.7°F | 88.3°F |
| Koh Lanta | 90.1°F | 90.9°F | 89.3°F |
| Samet | 90.1°F | 89.5°F | 89.0°F |
| Koh Chang | 90.0°F | 89.4°F | 88.6°F |
| Similan | 90.0°F | 89.6°F | 87.7°F |
| Prachuap Khiri Khan | 89.9°F | 88.8°F | 88.4°F |
| Ko Wai | 89.9°F | 89.5°F | 88.4°F |
| Koh Kood | 89.8°F | 89.3°F | 88.3°F |
| Ko Mak | 89.8°F | 89.4°F | 88.4°F |
| Surat Thani | 89.6°F | 89.3°F | 88.5°F |
| Chumphon | 89.5°F | 89.0°F | 88.1°F |
| Trat | 89.5°F | 89.2°F | 88.5°F |
| Khao Lak | 89.1°F | 89.9°F | 88.3°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°
| Bangkok |  |
+88 |
| Chumphon |  |
+84 |
| Hua Hin | |
+82 |
| Koh Chang |  |
+86 |
| Krabi |  |
+92 |
| Narathiwat | |
+88 |
| Pattani |  |
+92 |
| Pattaya | |
+84 |
| Phi Phi | |
+86 |
| Phuket | |
+88 |
| Prachuap Khiri Khan | |
+84 |
| Rayong | |
+88 |
| Samet | |
+86 |
| Samui | |
+84 |
| Surat Thani | |
+90 |
