In October warmest sea in Thailand is usually observed in the following locations: Krabi, Koh Lanta, Phi Phi.
Table below shows the average sea water temperature for marine resorts of Thailand in October for the last three years.
| Place name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Krabi | 87.2°F | 85.2°F | 85.3°F |
| Koh Lanta | 87.2°F | 85.3°F | 85.9°F |
| Phi Phi | 87.2°F | 85.0°F | 85.5°F |
| Taling Ngam Beach | 87.0°F | 85.0°F | 86.2°F |
| Hat Yai | 87.0°F | 85.7°F | 86.0°F |
| Lamai Beach | 86.9°F | 85.0°F | 86.1°F |
| Bo Phut Beach | 86.8°F | 84.9°F | 85.9°F |
| Mae Nam Beach | 86.8°F | 84.9°F | 85.9°F |
| Samui | 86.8°F | 84.9°F | 86.0°F |
| Ko Li Pe | 86.8°F | 85.2°F | 86.1°F |
| Chaweng Beach | 86.8°F | 84.9°F | 85.9°F |
| Choeng Mon Beach | 86.7°F | 84.8°F | 85.9°F |
| Pattani | 86.7°F | 84.9°F | 85.4°F |
| Phangan | 86.6°F | 84.7°F | 85.8°F |
| Ko Phangan | 86.6°F | 84.7°F | 85.8°F |
| Cape Panwa | 86.5°F | 84.5°F | 85.2°F |
| Narathiwat | 86.5°F | 85.1°F | 85.6°F |
| Phuket | 86.4°F | 84.4°F | 85.2°F |
| Mai Khao Beach | 86.4°F | 84.5°F | 85.2°F |
| Nai Yang Beach | 86.4°F | 84.4°F | 85.2°F |
| Kamala Beach | 86.4°F | 84.3°F | 85.1°F |
| Bang Tao Beach | 86.4°F | 84.3°F | 85.1°F |
| Surin Beach | 86.4°F | 84.3°F | 85.1°F |
| Nai Harn Beach | 86.3°F | 84.2°F | 85.1°F |
| Rawai Beach | 86.3°F | 84.2°F | 85.1°F |
| Hua Hin | 86.3°F | 85.3°F | 86.6°F |
| Kalim Beach | 86.3°F | 84.3°F | 85.1°F |
| Patong Beach | 86.3°F | 84.2°F | 85.1°F |
| Kata Beach | 86.3°F | 84.2°F | 85.1°F |
| Karon Beach | 86.3°F | 84.2°F | 85.1°F |
| Ko Wai | 86.3°F | 84.9°F | 86.1°F |
| Ko Mak | 86.3°F | 84.9°F | 85.9°F |
| Tao | 86.2°F | 84.7°F | 85.5°F |
| Khao Lak | 86.2°F | 84.1°F | 84.8°F |
| Koh Kood | 86.2°F | 84.6°F | 85.8°F |
| Samet | 86.2°F | 85.1°F | 86.5°F |
| Cha-am | 86.2°F | 85.5°F | 86.6°F |
| Koh Chang | 86.1°F | 84.9°F | 86.4°F |
| Rayong | 86.1°F | 84.9°F | 86.5°F |
| Similan | 86.0°F | 83.9°F | 84.9°F |
| Surat Thani | 86.0°F | 84.6°F | 85.2°F |
| Koh Lan | 85.9°F | 84.9°F | 86.4°F |
| Chumphon | 85.9°F | 84.4°F | 85.8°F |
| Jomtien | 85.8°F | 84.7°F | 86.1°F |
| Pattaya | 85.8°F | 84.7°F | 86.1°F |
| Bangkok | 85.7°F | 84.8°F | 86.0°F |
| Trat | 85.6°F | 84.8°F | 86.1°F |
| Prachuap Khiri Khan | 85.6°F | 84.9°F | 86.1°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
