The Sri Lanka resorts with the warmest sea water temperature in April are Jafna, Marawila and Negombo.
Below you can see a list of all popular Sri Lanka resorts and information about sea water temperature in April for the last two years.
| Resort Name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Jafna | 91.7°F | 93.6°F | 92.3°F |
| Marawila | 90.5°F | 91.6°F | 90.8°F |
| Negombo | 90.5°F | 91.8°F | 90.9°F |
| Pasikuda | 90.3°F | 91.2°F | 90.3°F |
| Batticaloa | 90.2°F | 91.0°F | 90.2°F |
| Dehiwala Mount Lavinia | 90.1°F | 91.7°F | 90.6°F |
| Colombo | 90.1°F | 91.8°F | 90.6°F |
| Panadura | 90.1°F | 91.5°F | 90.5°F |
| Wadduwa | 90.0°F | 91.4°F | 90.4°F |
| Trincomalee | 89.9°F | 90.8°F | 90.0°F |
| Habarana | 89.7°F | 90.8°F | 89.8°F |
| Hambantota | 89.5°F | 90.9°F | 90.3°F |
| Kalutara | 89.5°F | 91.3°F | 90.4°F |
| Hikkaduwa | 89.4°F | 91.2°F | 90.3°F |
| Halle | 89.4°F | 90.8°F | 90.0°F |
| Unawatuna | 89.4°F | 90.8°F | 90.0°F |
| Marissa | 89.3°F | 90.7°F | 90.0°F |
| Koggalla | 89.2°F | 90.8°F | 90.0°F |
| Weligama | 89.2°F | 90.7°F | 90.0°F |
| Dikwella | 89.2°F | 90.6°F | 89.9°F |
| Tangalle | 89.1°F | 90.7°F | 90.2°F |
| Beruwela | 88.7°F | 91.3°F | 90.6°F |
| Bentota | 87.9°F | 91.3°F | 90.5°F |
| Balapitiya | 87.8°F | 91.3°F | 90.4°F |
| Induruwa | 87.5°F | 91.3°F | 90.5°F |
| Ahungalla | 87.3°F | 91.3°F | 90.5°F |
Please see following sea water temperature averages charts for the warmest Sri Lanka resorts in April.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
84.8
87.3
88.6
87.9
88
88.5
88.9
90.6
91.7
88.6
85.2
83.7
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
86.9
87.8
87.1
86.1
85.4
85.8
87.1
89.4
90.6
88.8
86.3
85.7
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
87
87.8
87.1
86.2
85.4
85.9
87.2
89.3
90.5
88.8
86.5
85.8
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
