In March warmest sea in Thailand is usually observed in the following locations: Trat, Ko Wai, Koh Chang.
Table below shows the average sea water temperature for marine resorts of Thailand in March for the last three years.
| Place name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Trat | 86.7°F | 85.8°F | 86.8°F |
| Ko Wai | 86.4°F | 85.1°F | 86.2°F |
| Koh Chang | 86.4°F | 85.2°F | 86.3°F |
| Ko Mak | 86.3°F | 85.0°F | 86.2°F |
| Samet | 86.3°F | 85.1°F | 86.3°F |
| Rayong | 86.2°F | 85.1°F | 86.6°F |
| Koh Kood | 86.2°F | 85.4°F | 86.4°F |
| Cha-am | 86.0°F | 84.6°F | 85.9°F |
| Koh Lanta | 85.9°F | 85.6°F | 85.9°F |
| Hat Yai | 85.8°F | 85.1°F | 86.3°F |
| Hua Hin | 85.8°F | 84.3°F | 85.7°F |
| Similan | 85.7°F | 85.3°F | 85.9°F |
| Khao Lak | 85.7°F | 85.7°F | 86.1°F |
| Jomtien | 85.7°F | 84.2°F | 86.0°F |
| Pattaya | 85.6°F | 84.2°F | 86.0°F |
| Krabi | 85.6°F | 85.5°F | 86.0°F |
| Chumphon | 85.6°F | 85.1°F | 86.7°F |
| Phuket | 85.5°F | 85.5°F | 86.0°F |
| Nai Yang Beach | 85.4°F | 85.5°F | 86.0°F |
| Mai Khao Beach | 85.4°F | 85.6°F | 86.0°F |
| Bangkok | 85.4°F | 84.3°F | 85.6°F |
| Kamala Beach | 85.4°F | 85.5°F | 85.9°F |
| Bang Tao Beach | 85.4°F | 85.5°F | 85.9°F |
| Surin Beach | 85.4°F | 85.5°F | 85.9°F |
| Kalim Beach | 85.3°F | 85.4°F | 85.8°F |
| Cape Panwa | 85.3°F | 85.4°F | 85.8°F |
| Koh Lan | 85.3°F | 84.0°F | 85.8°F |
| Patong Beach | 85.3°F | 85.3°F | 85.8°F |
| Ko Li Pe | 85.2°F | 85.2°F | 85.5°F |
| Phi Phi | 85.2°F | 85.3°F | 85.5°F |
| Kata Beach | 85.2°F | 85.2°F | 85.7°F |
| Karon Beach | 85.2°F | 85.2°F | 85.7°F |
| Rawai Beach | 85.1°F | 85.1°F | 85.5°F |
| Nai Harn Beach | 85.1°F | 85.1°F | 85.5°F |
| Prachuap Khiri Khan | 84.8°F | 83.7°F | 85.1°F |
| Surat Thani | 84.8°F | 84.9°F | 85.4°F |
| Taling Ngam Beach | 84.7°F | 84.7°F | 85.6°F |
| Mae Nam Beach | 84.6°F | 84.7°F | 85.5°F |
| Bo Phut Beach | 84.6°F | 84.7°F | 85.5°F |
| Samui | 84.5°F | 84.7°F | 85.5°F |
| Choeng Mon Beach | 84.5°F | 84.7°F | 85.5°F |
| Phangan | 84.5°F | 84.7°F | 85.5°F |
| Narathiwat | 84.5°F | 83.6°F | 85.3°F |
| Chaweng Beach | 84.4°F | 84.7°F | 85.5°F |
| Lamai Beach | 84.4°F | 84.7°F | 85.4°F |
| Ko Phangan | 84.4°F | 84.6°F | 85.4°F |
| Tao | 84.4°F | 84.6°F | 85.3°F |
| Pattani | 84.3°F | 83.8°F | 85.2°F |
Charts below show average sea water temperature for Thailand resorts with the warmest sea in March.
You can also check other months of the year to see sea temperature of Thailand resorts at that time.
Places in Thailand:
Name
°F
