Current Sea Water Temperature:
+84.2°F
| Maximum Sea Water Temperature in July: | 88.4°F |
| Minimum Sea Water Temperature in July: | 82.8°F |
| Average water temperature in July: | 85.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 17 | 84.2°F | July 12 | 84.4°F |
| July 16 | 84.2°F | July 11 | 84.6°F |
| July 15 | 84.2°F | July 10 | 85.2°F |
| July 14 | 84.2°F | July 09 | 85.8°F |
| July 13 | 84.6°F | July 08 | 86.4°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 2025 for Unawatuna was 88.6°F. The maximum and minimum values were 87.8°F and 89.8°F respectively.
Sri Lanka Resorts:
NAME
F°
| Ahungalla |  |
+84 |
| Bentota | |
+84 |
| Beruwela | |
+84 |
| Colombo | |
+84 |
| Halle | |
+84 |
| Hikkaduwa | |
+84 |
| Kalutara | |
+84 |
| Marissa | |
+86 |
| Negombo | |
+84 |
| Pasikuda |  |
+96 |
| Tangalle | |
+86 |
| Trincomalee | |
+94 |
| Unawatuna | |
+84 |
| Wadduwa | |
+86 |
| Weligama | |
+86 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Unawatuna
Local time: 12:37
18 jul, friday
| 1500 |  |
84°F | E 19 mph |
| 1800 | |
82°F | E 20 mph |
| 2100 |  |
82°F | E 21 mph |
19 jul, saturday
| 0000 | |
82°F | E 20 mph |
| 0300 | |
82°F | E 21 mph |
| 0600 | |
84°F | E 18 mph |
| 0900 | |
84°F | E 18 mph |
| 1200 | |
86°F | E 18 mph |