The Thailand resorts with the warmest sea water temperature in May are Trat, Cha-am and Koh Chang.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in May for the last two years.
| Resort Name | May 2023 | May 2022 | May 2021 |
|---|---|---|---|
| Trat | 93.0°F | 91.8°F | 92.0°F |
| Cha-am | 92.9°F | 90.8°F | 92.9°F |
| Koh Chang | 92.7°F | 91.1°F | 91.9°F |
| Hua Hin | 92.6°F | 90.6°F | 92.3°F |
| Rayong | 92.5°F | 91.3°F | 92.0°F |
| Ko Wai | 92.5°F | 91.1°F | 91.9°F |
| Bangkok | 92.4°F | 91.2°F | 92.5°F |
| Samet | 92.4°F | 91.2°F | 92.0°F |
| Koh Kood | 92.4°F | 90.8°F | 91.7°F |
| Ko Mak | 92.3°F | 90.9°F | 91.7°F |
| Pattaya | 92.2°F | 91.0°F | 91.7°F |
| Hat Yai | 92.2°F | 91.8°F | 91.8°F |
| Jomtien | 92.1°F | 91.0°F | 91.7°F |
| Koh Lan | 92.1°F | 90.8°F | 91.7°F |
| Phangan | 92.1°F | 90.6°F | 91.5°F |
| Koh Lanta | 92.1°F | 91.6°F | 91.1°F |
| Ko Phangan | 91.9°F | 90.5°F | 91.4°F |
| Chumphon | 91.9°F | 90.8°F | 91.3°F |
| Krabi | 91.9°F | 91.3°F | 90.9°F |
| Surat Thani | 91.7°F | 90.8°F | 91.2°F |
| Tao | 91.7°F | 90.0°F | 91.4°F |
| Taling Ngam Beach | 91.6°F | 90.8°F | 91.4°F |
| Pattani | 91.6°F | 91.5°F | 91.3°F |
| Mae Nam Beach | 91.5°F | 90.7°F | 91.4°F |
| Bo Phut Beach | 91.5°F | 90.7°F | 91.4°F |
| Ko Li Pe | 91.5°F | 91.1°F | 91.1°F |
| Phuket | 91.5°F | 90.7°F | 91.0°F |
| Phi Phi | 91.5°F | 91.2°F | 91.1°F |
| Nai Yang Beach | 91.5°F | 90.7°F | 91.0°F |
| Mai Khao Beach | 91.4°F | 90.7°F | 91.0°F |
| Samui | 91.4°F | 90.7°F | 91.4°F |
| Prachuap Khiri Khan | 91.4°F | 90.3°F | 91.1°F |
| Choeng Mon Beach | 91.4°F | 90.7°F | 91.3°F |
| Cape Panwa | 91.4°F | 90.8°F | 91.0°F |
| Bang Tao Beach | 91.4°F | 90.7°F | 90.9°F |
| Surin Beach | 91.4°F | 90.7°F | 90.9°F |
| Kamala Beach | 91.4°F | 90.7°F | 90.9°F |
| Chaweng Beach | 91.4°F | 90.7°F | 91.3°F |
| Lamai Beach | 91.3°F | 90.7°F | 91.3°F |
| Narathiwat | 91.3°F | 90.9°F | 91.1°F |
| Kalim Beach | 91.3°F | 90.6°F | 90.8°F |
| Khao Lak | 91.2°F | 90.2°F | 90.7°F |
| Patong Beach | 91.2°F | 90.6°F | 90.8°F |
| Similan | 91.2°F | 90.3°F | 90.9°F |
| Karon Beach | 91.1°F | 90.6°F | 90.8°F |
| Kata Beach | 91.1°F | 90.6°F | 90.8°F |
| Nai Harn Beach | 91.1°F | 90.6°F | 90.7°F |
| Rawai Beach | 91.1°F | 90.6°F | 90.7°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in May.
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 |  |
+80 |
| Chumphon |  |
+80 |
| Hua Hin |  |
+82 |
| Koh Chang | |
+82 |
| Krabi | |
+80 |
| Narathiwat |  |
+82 |
| Pattani | |
+80 |
| Pattaya | |
+82 |
| Phi Phi | |
+86 |
| Phuket | |
+86 |
| Prachuap Khiri Khan | |
+78 |
| Rayong | |
+82 |
| Samet | |
+82 |
| Samui | |
+86 |
| Surat Thani | |
+80 |
