Current Sea Water Temperature:
+86.8°F
| Maximum Sea Water Temperature in August: | 89.4°F |
| Minimum Sea Water Temperature in August: | 82.2°F |
| Average water temperature in August: | 85.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 19 | 86.8°F | August 14 | 86.4°F |
| August 18 | 86.8°F | August 13 | 85.0°F |
| August 17 | 86.2°F | August 12 | 85.2°F |
| August 16 | 87.0°F | August 11 | 85.0°F |
| August 15 | 85.8°F | August 10 | 85.6°F |
When is the Warmest Sea for Negombo?
According to our data for the last three years for Negombo 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 2026 for Negombo was 91.4°F. The maximum and minimum values were 90.4°F and 92.4°F respectively.
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Negombo was 90.1°F. The maximum and minimum values were 88.0°F and 92.0°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for Negombo was 89.2°F. The maximum and minimum values were 86.6°F and 91.6°F respectively.
Sri Lanka Resorts:
NAME
F°
| Ahungalla |  |
+82 |
| Bentota | |
+82 |
| Colombo | |
+84 |
| Dikwella |  |
+82 |
| Halle |  |
+84 |
| Hambantota | |
+84 |
| Hikkaduwa | |
+84 |
| Kalutara | |
+82 |
| Marissa | |
+82 |
| Negombo | |
+84 |
| Pasikuda | |
+88 |
| Tangalle | |
+82 |
| Trincomalee | |
+90 |
| Unawatuna | |
+84 |
| Weligama | |
+84 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Negombo
Local time: 18:57
19 aug, wednesday
| 2100 |  |
84°F | NE 16 mph |
20 aug, thursday
| 0000 | |
84°F | NE 17 mph |
| 0300 |  |
84°F | NE 17 mph |
| 0600 | |
84°F | NE 16 mph |
| 0900 | |
84°F | NE 14 mph |
| 1200 | |
84°F | NE 15 mph |
| 1500 | |
84°F | NE 17 mph |
| 1800 | |
84°F | NE 16 mph |