The Thailand resorts with the warmest sea water temperature in December are Koh Kood, Ko Mak and Ko Wai.
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 2023 | December 2022 | December 2021 |
|---|---|---|---|
| Koh Kood | 89.1°F | 87.4°F | 86.5°F |
| Ko Mak | 88.9°F | 87.4°F | 86.1°F |
| Ko Wai | 88.7°F | 87.2°F | 86.1°F |
| Koh Chang | 88.7°F | 86.9°F | 86.2°F |
| Samet | 88.4°F | 86.9°F | 85.6°F |
| Rayong | 88.4°F | 86.7°F | 85.7°F |
| Trat | 88.3°F | 86.5°F | 85.9°F |
| Ko Li Pe | 88.2°F | 88.1°F | 88.1°F |
| Mai Khao Beach | 88.1°F | 87.5°F | 87.6°F |
| Nai Yang Beach | 88.1°F | 87.5°F | 87.6°F |
| Cape Panwa | 88.1°F | 87.7°F | 87.3°F |
| Phuket | 88.1°F | 87.6°F | 87.4°F |
| Bang Tao Beach | 88.1°F | 87.6°F | 87.5°F |
| Kamala Beach | 88.1°F | 87.6°F | 87.5°F |
| Nai Harn Beach | 88.1°F | 87.8°F | 87.5°F |
| Rawai Beach | 88.1°F | 87.8°F | 87.5°F |
| Surin Beach | 88.1°F | 87.6°F | 87.5°F |
| Kalim Beach | 88.1°F | 87.6°F | 87.5°F |
| Patong Beach | 88.1°F | 87.7°F | 87.5°F |
| Karon Beach | 88.0°F | 87.7°F | 87.5°F |
| Kata Beach | 88.0°F | 87.7°F | 87.5°F |
| Koh Lan | 88.0°F | 86.8°F | 85.1°F |
| Khao Lak | 88.0°F | 87.5°F | 87.8°F |
| Phi Phi | 87.9°F | 87.7°F | 87.3°F |
| Koh Lanta | 87.9°F | 87.1°F | 87.1°F |
| Krabi | 87.9°F | 87.3°F | 87.3°F |
| Similan | 87.7°F | 87.5°F | 87.4°F |
| Jomtien | 87.7°F | 86.5°F | 84.9°F |
| Pattaya | 87.7°F | 86.5°F | 84.8°F |
| Lamai Beach | 87.4°F | 86.1°F | 85.6°F |
| Chaweng Beach | 87.4°F | 86.1°F | 85.6°F |
| Choeng Mon Beach | 87.3°F | 86.1°F | 85.6°F |
| Samui | 87.3°F | 86.0°F | 85.6°F |
| Bo Phut Beach | 87.3°F | 86.0°F | 85.6°F |
| Mae Nam Beach | 87.3°F | 86.0°F | 85.6°F |
| Taling Ngam Beach | 87.3°F | 86.0°F | 85.6°F |
| Ko Phangan | 87.3°F | 86.0°F | 85.4°F |
| Phangan | 87.2°F | 86.0°F | 85.4°F |
| Tao | 87.2°F | 86.0°F | 85.1°F |
| Hat Yai | 87.2°F | 86.7°F | 86.6°F |
| Pattani | 87.2°F | 86.5°F | 86.2°F |
| Narathiwat | 87.2°F | 86.9°F | 86.4°F |
| Cha-am | 86.9°F | 85.3°F | 83.6°F |
| Chumphon | 86.9°F | 85.5°F | 84.3°F |
| Hua Hin | 86.8°F | 85.4°F | 83.7°F |
| Prachuap Khiri Khan | 86.7°F | 85.5°F | 83.8°F |
| Bangkok | 86.4°F | 85.0°F | 83.9°F |
| Surat Thani | 86.0°F | 85.0°F | 85.0°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°
| Bang Tao Beach |  |
+82 |
| Bangkok |  |
+80 |
| Hua Hin | |
+78 |
| Karon Beach | |
+82 |
| Kata Beach | |
+82 |
| Khao Lak | |
+82 |
| Koh Chang |  |
+82 |
| Krabi |  |
+78 |
| Patong Beach | |
+82 |
| Pattaya | |
+80 |
| Phangan | |
+88 |
| Phi Phi | |
+82 |
| Phuket | |
+82 |
| Samet | |
+80 |
| Samui | |
+86 |
