Average sea water temperature in December:
+83.1°F
| Minimum sea water temperature in December: | 85.1°F |
| Maximum sea water temperature in December: | 79.5°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 81.3°F. The highest and lowest sea temperatures during the month were 82.2°F and 79.7°F.
Monthly sea water temperature in Bentota, °F
Which Sri Lanka resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Hikkaduwa | 82.9°F | 83.6°F |
| Panadura | 82.9°F | 84.0°F |
| Wadduwa | 82.9°F | 84.0°F |
| Dehiwala Mount Lavinia | 82.8°F | 84.1°F |
| Koggalla | 82.8°F | 83.7°F |
| Unawatuna | 82.8°F | 83.7°F |
| Halle | 82.8°F | 83.7°F |
| Colombo | 82.8°F | 84.1°F |
| Weligama | 82.8°F | 83.6°F |
| Hambantota | 82.7°F | 83.5°F |
| Marissa | 82.7°F | 83.7°F |
| Marawila | 82.7°F | 83.9°F |
| Tangalle | 82.7°F | 83.5°F |
| Dikwella | 82.7°F | 83.5°F |
| Negombo | 82.6°F | 84.0°F |
| Kalutara | 82.5°F | 83.1°F |
| Pasikuda | 82.3°F | 82.5°F |
| Batticaloa | 82.2°F | 82.2°F |
| Beruwela | 81.9°F | 82.4°F |
| Trincomalee | 81.8°F | 82.5°F |
Best time for vacation in Bentota
Bentota on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Bentota
Local time: 01:46
December 17, wednesday
0300

77°F
SW
1 mph
1 mph
0600

75°F
S
6 mph
6 mph
0900

81°F
S
7 mph
7 mph
1200

84°F
SE
8 mph
8 mph
1500

81°F
E
4 mph
4 mph
1800

79°F
N
7 mph
7 mph
2100

77°F
N
4 mph
4 mph
December 18, thursday
0000

77°F
S
4 mph
4 mph


























