The Thailand resorts with the warmest sea water temperature in December are Ko Li Pe, Rawai Beach and Nai Harn 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 2024 | December 2023 | December 2022 |
|---|---|---|---|
| Ko Li Pe | 88.9°F | 88.2°F | 88.1°F |
| Rawai Beach | 88.3°F | 88.1°F | 87.8°F |
| Nai Harn Beach | 88.3°F | 88.1°F | 87.8°F |
| Kata Beach | 88.3°F | 88.0°F | 87.7°F |
| Karon Beach | 88.3°F | 88.0°F | 87.7°F |
| Patong Beach | 88.2°F | 88.1°F | 87.7°F |
| Kalim Beach | 88.2°F | 88.1°F | 87.6°F |
| Phi Phi | 88.2°F | 87.9°F | 87.7°F |
| Cape Panwa | 88.1°F | 88.1°F | 87.7°F |
| Surin Beach | 88.1°F | 88.1°F | 87.6°F |
| Kamala Beach | 88.1°F | 88.1°F | 87.6°F |
| Bang Tao Beach | 88.1°F | 88.1°F | 87.6°F |
| Similan | 88.1°F | 87.7°F | 87.5°F |
| Phuket | 88.1°F | 88.1°F | 87.6°F |
| Koh Kood | 88.0°F | 89.1°F | 87.4°F |
| Nai Yang Beach | 88.0°F | 88.1°F | 87.5°F |
| Khao Lak | 88.0°F | 88.0°F | 87.5°F |
| Mai Khao Beach | 88.0°F | 88.1°F | 87.5°F |
| Krabi | 87.7°F | 87.9°F | 87.3°F |
| Koh Lanta | 87.6°F | 87.9°F | 87.1°F |
| Ko Mak | 87.4°F | 88.9°F | 87.4°F |
| Koh Chang | 87.2°F | 88.7°F | 86.9°F |
| Ko Wai | 87.1°F | 88.7°F | 87.2°F |
| Rayong | 87.0°F | 88.4°F | 86.7°F |
| Samet | 86.9°F | 88.4°F | 86.9°F |
| Choeng Mon Beach | 86.9°F | 87.3°F | 86.1°F |
| Chaweng Beach | 86.9°F | 87.4°F | 86.1°F |
| Narathiwat | 86.9°F | 87.2°F | 86.9°F |
| Lamai Beach | 86.9°F | 87.4°F | 86.1°F |
| Samui | 86.9°F | 87.3°F | 86.0°F |
| Bo Phut Beach | 86.8°F | 87.3°F | 86.0°F |
| Mae Nam Beach | 86.8°F | 87.3°F | 86.0°F |
| Ko Phangan | 86.8°F | 87.3°F | 86.0°F |
| Hat Yai | 86.8°F | 87.2°F | 86.7°F |
| Pattani | 86.8°F | 87.2°F | 86.5°F |
| Koh Lan | 86.7°F | 88.0°F | 86.8°F |
| Phangan | 86.7°F | 87.2°F | 86.0°F |
| Trat | 86.7°F | 88.3°F | 86.5°F |
| Tao | 86.6°F | 87.2°F | 86.0°F |
| Taling Ngam Beach | 86.6°F | 87.3°F | 86.0°F |
| Jomtien | 86.2°F | 87.7°F | 86.5°F |
| Pattaya | 86.2°F | 87.7°F | 86.5°F |
| Prachuap Khiri Khan | 85.4°F | 86.7°F | 85.5°F |
| Chumphon | 85.3°F | 86.9°F | 85.5°F |
| Cha-am | 85.2°F | 86.9°F | 85.3°F |
| Surat Thani | 85.2°F | 86.0°F | 85.0°F |
| Hua Hin | 85.1°F | 86.8°F | 85.4°F |
| Bangkok | 84.5°F | 86.4°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 |  |
+86 |
| Bangkok |  |
+86 |
| Cape Panwa | |
+86 |
| Karon Beach | |
+86 |
| Kata Beach | |
+86 |
| Khao Lak | |
+84 |
| Koh Chang | |
+84 |
| Krabi | |
+84 |
| Patong Beach | |
+86 |
| Pattaya | |
+86 |
| Phangan |  |
+88 |
| Phi Phi | |
+88 |
| Phuket | |
+86 |
| Samet | |
+86 |
| Samui | |
+88 |
