In April warmest sea in Thailand is usually observed in the following locations: Trat, Koh Lanta, Krabi.
Table below shows the average sea water temperature for marine resorts of Thailand in April for the last three years.
| Place name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Trat | 87.6°F | 89.7°F | 88.1°F |
| Koh Lanta | 87.4°F | 88.8°F | 87.5°F |
| Krabi | 87.2°F | 88.9°F | 86.9°F |
| Surat Thani | 87.2°F | 88.2°F | 87.3°F |
| Hat Yai | 87.2°F | 88.7°F | 87.3°F |
| Cha-am | 87.1°F | 88.3°F | 87.2°F |
| Samet | 86.9°F | 88.8°F | 87.4°F |
| Rayong | 86.9°F | 88.9°F | 87.5°F |
| Hua Hin | 86.8°F | 88.1°F | 86.9°F |
| Koh Chang | 86.8°F | 89.2°F | 87.6°F |
| Chumphon | 86.8°F | 89.4°F | 86.9°F |
| Phi Phi | 86.8°F | 87.9°F | 86.2°F |
| Koh Kood | 86.7°F | 88.6°F | 87.3°F |
| Taling Ngam Beach | 86.6°F | 88.3°F | 86.3°F |
| Ko Wai | 86.6°F | 88.9°F | 87.4°F |
| Phangan | 86.5°F | 88.0°F | 86.7°F |
| Bo Phut Beach | 86.5°F | 88.1°F | 86.3°F |
| Mae Nam Beach | 86.5°F | 88.1°F | 86.3°F |
| Similan | 86.5°F | 87.1°F | 85.8°F |
| Ko Li Pe | 86.4°F | 87.7°F | 86.0°F |
| Samui | 86.4°F | 88.1°F | 86.2°F |
| Bangkok | 86.4°F | 87.9°F | 86.5°F |
| Mai Khao Beach | 86.4°F | 87.6°F | 85.9°F |
| Nai Yang Beach | 86.4°F | 87.5°F | 85.8°F |
| Lamai Beach | 86.4°F | 88.1°F | 86.1°F |
| Ko Phangan | 86.4°F | 87.9°F | 86.6°F |
| Choeng Mon Beach | 86.4°F | 88.1°F | 86.2°F |
| Ko Mak | 86.4°F | 88.7°F | 87.2°F |
| Chaweng Beach | 86.4°F | 88.1°F | 86.1°F |
| Phuket | 86.4°F | 87.5°F | 85.8°F |
| Cape Panwa | 86.3°F | 87.6°F | 85.7°F |
| Surin Beach | 86.3°F | 87.4°F | 85.7°F |
| Kamala Beach | 86.3°F | 87.4°F | 85.7°F |
| Bang Tao Beach | 86.3°F | 87.4°F | 85.7°F |
| Khao Lak | 86.3°F | 87.2°F | 85.8°F |
| Kalim Beach | 86.2°F | 87.3°F | 85.6°F |
| Pattani | 86.2°F | 87.5°F | 86.4°F |
| Jomtien | 86.2°F | 88.2°F | 86.7°F |
| Pattaya | 86.2°F | 88.2°F | 86.7°F |
| Patong Beach | 86.2°F | 87.2°F | 85.5°F |
| Tao | 86.1°F | 87.4°F | 86.4°F |
| Koh Lan | 86.1°F | 87.8°F | 86.4°F |
| Nai Harn Beach | 86.1°F | 87.3°F | 85.4°F |
| Rawai Beach | 86.1°F | 87.3°F | 85.4°F |
| Karon Beach | 86.1°F | 87.2°F | 85.4°F |
| Kata Beach | 86.1°F | 87.2°F | 85.4°F |
| Narathiwat | 85.8°F | 87.6°F | 86.5°F |
| Prachuap Khiri Khan | 85.8°F | 87.3°F | 86.2°F |
Charts below show average sea water temperature for Thailand resorts with the warmest sea in April.
You can also check other months of the year to see sea temperature of Thailand resorts at that time.
Places in Thailand:
Name
°F
