In October warmest sea in Thailand is usually observed in the following locations: Hat Yai, Cha-am, Koh Lanta.
Table below shows the average sea water temperature for marine resorts of Thailand in October for the last three years.
| Place name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Hat Yai | 85.7°F | 86.0°F | 86.4°F |
| Cha-am | 85.5°F | 86.6°F | 86.0°F |
| Koh Lanta | 85.3°F | 85.9°F | 86.2°F |
| Hua Hin | 85.3°F | 86.6°F | 85.9°F |
| Ko Li Pe | 85.2°F | 86.1°F | 86.0°F |
| Krabi | 85.2°F | 85.3°F | 86.1°F |
| Narathiwat | 85.1°F | 85.6°F | 86.3°F |
| Samet | 85.1°F | 86.5°F | 85.6°F |
| Phi Phi | 85.0°F | 85.5°F | 85.8°F |
| Taling Ngam Beach | 85.0°F | 86.2°F | 85.8°F |
| Lamai Beach | 85.0°F | 86.1°F | 85.6°F |
| Koh Chang | 84.9°F | 86.4°F | 85.6°F |
| Ko Wai | 84.9°F | 86.1°F | 85.6°F |
| Rayong | 84.9°F | 86.5°F | 85.3°F |
| Chaweng Beach | 84.9°F | 85.9°F | 85.6°F |
| Pattani | 84.9°F | 85.4°F | 86.2°F |
| Samui | 84.9°F | 86.0°F | 85.5°F |
| Mae Nam Beach | 84.9°F | 85.9°F | 85.5°F |
| Bo Phut Beach | 84.9°F | 85.9°F | 85.5°F |
| Ko Mak | 84.9°F | 85.9°F | 85.6°F |
| Prachuap Khiri Khan | 84.9°F | 86.1°F | 85.1°F |
| Koh Lan | 84.9°F | 86.4°F | 85.6°F |
| Choeng Mon Beach | 84.8°F | 85.9°F | 85.5°F |
| Bangkok | 84.8°F | 86.0°F | 85.3°F |
| Trat | 84.8°F | 86.1°F | 85.4°F |
| Phangan | 84.7°F | 85.8°F | 85.4°F |
| Pattaya | 84.7°F | 86.1°F | 85.4°F |
| Ko Phangan | 84.7°F | 85.8°F | 85.4°F |
| Jomtien | 84.7°F | 86.1°F | 85.3°F |
| Tao | 84.7°F | 85.5°F | 85.1°F |
| Koh Kood | 84.6°F | 85.8°F | 85.6°F |
| Surat Thani | 84.6°F | 85.2°F | 85.0°F |
| Cape Panwa | 84.5°F | 85.2°F | 85.5°F |
| Mai Khao Beach | 84.5°F | 85.2°F | 85.1°F |
| Nai Yang Beach | 84.4°F | 85.2°F | 85.1°F |
| Chumphon | 84.4°F | 85.8°F | 84.8°F |
| Phuket | 84.4°F | 85.2°F | 85.3°F |
| Surin Beach | 84.3°F | 85.1°F | 85.2°F |
| Kamala Beach | 84.3°F | 85.1°F | 85.2°F |
| Bang Tao Beach | 84.3°F | 85.1°F | 85.2°F |
| Kalim Beach | 84.3°F | 85.1°F | 85.2°F |
| Rawai Beach | 84.2°F | 85.1°F | 85.2°F |
| Nai Harn Beach | 84.2°F | 85.1°F | 85.2°F |
| Patong Beach | 84.2°F | 85.1°F | 85.2°F |
| Kata Beach | 84.2°F | 85.1°F | 85.2°F |
| Karon Beach | 84.2°F | 85.1°F | 85.2°F |
| Khao Lak | 84.1°F | 84.8°F | 84.8°F |
| Similan | 83.9°F | 84.9°F | 84.6°F |
Charts below show average sea water temperature for Thailand resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Thailand resorts at that time.
Places in Thailand:
Name
°F
