In March warmest sea in Sri Lanka is usually observed in the following locations: Marawila, Jafna, Negombo.
Table below shows the average sea water temperature for marine resorts of Sri Lanka in March for the last three years.
| Place name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Marawila | 84.3°F | 85.4°F | 86.1°F |
| Jafna | 84.3°F | 85.7°F | 85.8°F |
| Negombo | 84.1°F | 85.6°F | 86.0°F |
| Kalutara | 84.0°F | 84.8°F | 85.5°F |
| Wadduwa | 84.0°F | 85.2°F | 85.5°F |
| Colombo | 83.9°F | 85.3°F | 85.5°F |
| Panadura | 83.9°F | 85.2°F | 85.5°F |
| Dehiwala Mount Lavinia | 83.8°F | 85.3°F | 85.5°F |
| Beruwela | 83.8°F | 84.2°F | 85.6°F |
| Hikkaduwa | 83.4°F | 84.7°F | 85.2°F |
| Bentota | 83.3°F | 83.4°F | 85.6°F |
| Induruwa | 83.1°F | 83.1°F | 85.6°F |
| Balapitiya | 83.1°F | 83.4°F | 85.3°F |
| Weligama | 83.1°F | 84.6°F | 85.0°F |
| Unawatuna | 83.0°F | 84.7°F | 85.0°F |
| Halle | 83.0°F | 84.7°F | 85.0°F |
| Marissa | 83.0°F | 84.6°F | 85.0°F |
| Koggalla | 83.0°F | 84.7°F | 85.0°F |
| Ahungalla | 82.9°F | 82.9°F | 85.4°F |
| Pasikuda | 82.9°F | 85.1°F | 85.0°F |
| Habarana | 82.8°F | 84.7°F | 84.8°F |
| Dikwella | 82.8°F | 84.6°F | 85.0°F |
| Tangalle | 82.7°F | 84.6°F | 85.0°F |
| Trincomalee | 82.7°F | 84.7°F | 84.9°F |
| Batticaloa | 82.6°F | 84.9°F | 85.0°F |
| Hambantota | 82.5°F | 84.7°F | 85.0°F |
Charts below show average sea water temperature for Sri Lanka resorts with the warmest sea in March.
You can also check other months of the year to see sea temperature of Sri Lanka resorts at that time.
Places in Sri Lanka:
Name
°F
