The Thailand resorts with the warmest sea water temperature in December are Ko Li Pe, Nai Harn Beach and Rawai Beach.
Below you can see a list of all popular Thailand resorts and information about sea water temperature in December for the last two years.
| Resort Name | December 2022 | December 2021 | December 2020 |
|---|---|---|---|
| Ko Li Pe | 88.1°F | 88.1°F | 88.4°F |
| Nai Harn Beach | 87.8°F | 87.5°F | 87.9°F |
| Rawai Beach | 87.8°F | 87.5°F | 87.9°F |
| Karon Beach | 87.7°F | 87.5°F | 87.9°F |
| Kata Beach | 87.7°F | 87.5°F | 87.9°F |
| Cape Panwa | 87.7°F | 87.3°F | 87.7°F |
| Phi Phi | 87.7°F | 87.3°F | 87.5°F |
| Patong Beach | 87.7°F | 87.5°F | 87.9°F |
| Kalim Beach | 87.6°F | 87.5°F | 87.9°F |
| Bang Tao Beach | 87.6°F | 87.5°F | 87.8°F |
| Surin Beach | 87.6°F | 87.5°F | 87.8°F |
| Kamala Beach | 87.6°F | 87.5°F | 87.8°F |
| Phuket | 87.6°F | 87.4°F | 87.7°F |
| Nai Yang Beach | 87.5°F | 87.6°F | 87.8°F |
| Similan | 87.5°F | 87.4°F | 88.1°F |
| Mai Khao Beach | 87.5°F | 87.6°F | 87.8°F |
| Khao Lak | 87.5°F | 87.8°F | 87.9°F |
| Koh Kood | 87.4°F | 86.5°F | 87.1°F |
| Ko Mak | 87.4°F | 86.1°F | 86.7°F |
| Krabi | 87.3°F | 87.3°F | 87.2°F |
| Ko Wai | 87.2°F | 86.1°F | 86.7°F |
| Koh Lanta | 87.1°F | 87.1°F | 87.1°F |
| Koh Chang | 86.9°F | 86.2°F | 86.9°F |
| Narathiwat | 86.9°F | 86.4°F | 86.7°F |
| Samet | 86.9°F | 85.6°F | 86.5°F |
| Koh Lan | 86.8°F | 85.1°F | 85.8°F |
| Hat Yai | 86.7°F | 86.6°F | 86.9°F |
| Rayong | 86.7°F | 85.7°F | 86.4°F |
| Pattani | 86.5°F | 86.2°F | 86.5°F |
| Trat | 86.5°F | 85.9°F | 86.6°F |
| Jomtien | 86.5°F | 84.9°F | 85.6°F |
| Pattaya | 86.5°F | 84.8°F | 85.6°F |
| Chaweng Beach | 86.1°F | 85.6°F | 86.2°F |
| Choeng Mon Beach | 86.1°F | 85.6°F | 86.2°F |
| Lamai Beach | 86.1°F | 85.6°F | 86.1°F |
| Tao | 86.0°F | 85.1°F | 86.3°F |
| Samui | 86.0°F | 85.6°F | 86.2°F |
| Mae Nam Beach | 86.0°F | 85.6°F | 86.1°F |
| Bo Phut Beach | 86.0°F | 85.6°F | 86.1°F |
| Phangan | 86.0°F | 85.4°F | 86.2°F |
| Ko Phangan | 86.0°F | 85.4°F | 86.2°F |
| Taling Ngam Beach | 86.0°F | 85.6°F | 86.0°F |
| Chumphon | 85.5°F | 84.3°F | 85.3°F |
| Prachuap Khiri Khan | 85.5°F | 83.8°F | 84.8°F |
| Hua Hin | 85.4°F | 83.7°F | 84.4°F |
| Cha-am | 85.3°F | 83.6°F | 84.5°F |
| Surat Thani | 85.0°F | 85.0°F | 85.2°F |
| Bangkok | 85.0°F | 83.9°F | 84.3°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts in December.
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 |  |
+86 |
| Chumphon |  |
+86 |
| Hua Hin |  |
+86 |
| Koh Chang | |
+88 |
| Krabi | |
+86 |
| Narathiwat | |
+86 |
| Pattani | |
+90 |
| Pattaya | |
+84 |
| Phi Phi | |
+88 |
| Phuket | |
+88 |
| Prachuap Khiri Khan | |
+84 |
| Rayong | |
+84 |
| Samet | |
+84 |
| Samui | |
+90 |
| Surat Thani | |
+90 |
