Current Sea Water Temperature:
+89.6°F
| Maximum Sea Water Temperature in April: | 92.4°F |
| Minimum Sea Water Temperature in April: | 87.2°F |
| Average water temperature in April: | 89.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 12 | 89.6°F | April 07 | 89.4°F |
| April 11 | 89.6°F | April 06 | 89.6°F |
| April 10 | 89.6°F | April 05 | 89.6°F |
| April 09 | 89.6°F | April 04 | 89.6°F |
| April 08 | 89.6°F | April 03 | 89.2°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
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
87
87.9
86.9
86
85.4
85.6
86.6
88.4
89.7
88.3
86.6
85.9
Sea Water Temperature in April
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
84
86
88
90
92
94
96
The average sea surface temperature in April 2024 for Unawatuna was 90.8°F. The maximum and minimum values were 89.0°F and 92.0°F respectively.
Sea Water Temperature in May
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
84
87
90
93
96
The average sea surface temperature in May 2024 for Unawatuna was 89.6°F. The maximum and minimum values were 87.8°F and 92.0°F respectively.
Sea Water Temperature in March
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
82
84
86
88
90
92
94
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 |  |
+90 |
| Bentota | |
+90 |
| Colombo | |
+88 |
| Hambantota |  |
+94 |
| Hikkaduwa |  |
+90 |
| Kalutara | |
+90 |
| Marawila | |
+90 |
| Marissa | |
+90 |
| Negombo | |
+90 |
| Pasikuda |  |
+92 |
| Tangalle | |
+94 |
| Trincomalee | |
+90 |
| Unawatuna | |
+90 |
| Wadduwa | |
+90 |
| Weligama | |
+90 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Unawatuna
Local time: 08:33
13 apr, sunday
| 0900 |  |
90°F | E 11 mph |
| 1200 |  |
94°F | E 14 mph |
| 1500 | |
92°F | E 14 mph |
| 1800 | |
86°F | E 11 mph |
| 2100 | |
84°F | E 7 mph |
14 apr, monday
| 0000 | |
82°F | E 7 mph |
| 0300 | |
82°F | E 8 mph |
| 0600 | |
84°F | E 8 mph |