Average sea water temperature in December:
+84.0°F
| Minimum sea water temperature in December: | 86.4°F |
| Maximum sea water temperature in December: | 80.4°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 86.2°F and 82.2°F.
Monthly sea water temperature in Sentosa, °F
Which Singapore resorts have warmest sea in December?
Best time for vacation in Sentosa
Sentosa on a weather map
24 Hours Forecast
Sentosa
Local time: 11:20
January 13, tuesday
1200

82°F
S
11 mph
11 mph
1500

84°F
SE
2 mph
2 mph
1800

81°F
S
5 mph
5 mph
2100

79°F
S
11 mph
11 mph
January 14, wednesday
0000

77°F
S
11 mph
11 mph
0300

77°F
S
11 mph
11 mph
0600

75°F
S
10 mph
10 mph
0900

77°F
S
11 mph
11 mph

























