The Sri Lanka resorts with the warmest sea water temperature in March are Marawila, Negombo and Jafna.
Below you can see a list of all popular Sri Lanka resorts and information about sea water temperature in March for the last two years.
| Resort Name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Marawila | 89.3°F | 89.4°F | 90.1°F |
| Negombo | 89.1°F | 89.5°F | 90.0°F |
| Jafna | 89.0°F | 89.7°F | 89.8°F |
| Kalutara | 88.8°F | 88.7°F | 89.5°F |
| Colombo | 88.7°F | 89.2°F | 89.5°F |
| Wadduwa | 88.7°F | 89.2°F | 89.5°F |
| Dehiwala Mount Lavinia | 88.6°F | 89.2°F | 89.5°F |
| Panadura | 88.6°F | 89.2°F | 89.5°F |
| Beruwela | 88.6°F | 88.0°F | 89.5°F |
| Bentota | 88.3°F | 87.1°F | 89.6°F |
| Induruwa | 88.1°F | 86.8°F | 89.5°F |
| Hikkaduwa | 88.0°F | 88.6°F | 89.1°F |
| Balapitiya | 87.9°F | 87.1°F | 89.3°F |
| Ahungalla | 87.8°F | 86.6°F | 89.4°F |
| Pasikuda | 87.7°F | 89.0°F | 88.9°F |
| Weligama | 87.6°F | 88.5°F | 88.9°F |
| Halle | 87.6°F | 88.6°F | 88.8°F |
| Unawatuna | 87.6°F | 88.6°F | 88.8°F |
| Habarana | 87.6°F | 88.5°F | 88.7°F |
| Koggalla | 87.5°F | 88.6°F | 88.8°F |
| Marissa | 87.5°F | 88.5°F | 88.9°F |
| Dikwella | 87.4°F | 88.5°F | 88.9°F |
| Tangalle | 87.4°F | 88.4°F | 88.8°F |
| Batticaloa | 87.3°F | 88.8°F | 88.9°F |
| Trincomalee | 87.2°F | 88.6°F | 88.8°F |
| Hambantota | 87.2°F | 88.6°F | 88.9°F |
Please see following sea water temperature averages charts for the warmest Sri Lanka resorts in March.
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.
