Current Sea Water Temperature:
+89.4°F
| Maximum Sea Water Temperature in March: | 90.8°F |
| Minimum Sea Water Temperature in March: | 86.0°F |
| Average water temperature in March: | 88.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| March 29 | 89.4°F | March 24 | 88.8°F |
| March 28 | 89.4°F | March 23 | 89.0°F |
| March 27 | 88.8°F | March 22 | 89.4°F |
| March 26 | 88.8°F | March 21 | 89.0°F |
| March 25 | 88.4°F | March 20 | 88.2°F |
When is the Warmest Sea for Unawatuna?
According to our data for the last three years for Unawatuna the highest average sea water temperature was in April, May and March.
Average Water Temperature by Month, °F
Sea Water Temperature in April
The average sea surface temperature in April 2025 for Unawatuna was 89.5°F. The maximum and minimum values were 88.4°F and 89.8°F respectively.
Sea Water Temperature in May
The average sea surface temperature in May 2025 for Unawatuna was 88.5°F. The maximum and minimum values were 87.6°F and 90.0°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for Unawatuna was 87.6°F. The maximum and minimum values were 86.0°F and 89.4°F respectively.
Sri Lanka Resorts:
NAME
F°
| Ahungalla |  |
+90 |
| Bentota | |
+90 |
| Beruwela | |
+90 |
| Colombo | |
+90 |
| Halle |  |
+88 |
| Hambantota | |
+92 |
| Hikkaduwa | |
+88 |
| Marawila | |
+90 |
| Marissa |  |
+90 |
| Negombo | |
+90 |
| Pasikuda | |
+88 |
| Tangalle | |
+90 |
| Trincomalee | |
+88 |
| Unawatuna | |
+88 |
| Weligama |  |
+88 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Unawatuna
Local time: 11:35
30 mar, monday
| 1200 |  |
88°F | N 9 mph |
| 1500 |  |
88°F | N 9 mph |
| 1800 |  |
84°F | NE 6 mph |
| 2100 | |
84°F | NW 2 mph |
31 mar, tuesday
| 0000 |  |
82°F | NW 3 mph |
| 0300 | |
80°F | W 4 mph |
| 0600 | |
80°F | W 6 mph |
| 0900 |  |
88°F | NW 4 mph |