Measurements:
°C
°F
Sentosa
78°F
S 11 mph
Feels like: 82°F
Precip: 0%
World Resorts Singapore Sentosa Weather December Weather in Sentosa

Sentosa Weather: December

Average Day Temperature: 89.9°F
Average Night Temperature: 81.9°F
Sea Water Temperature: 87.8°F
Number of Sunny Days: 3 days
Sunshine Hours: 12.0 - 12.1 hours
Number of Rainy Days: 18 days
Precipitation Totals: 10.4 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 90°F. The lowest night temperature was 78°F. The average values for day and night temperatures during December were 86.4°F и 81.1°F respectivly.

Sentosa Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Sentosa was 87.7°F. The maximum and minimum values were 85.8°F and 90.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Sentosa is 10.4 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 8.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sentosa in December is 5.4 hours.

Best Time to Visit Sentosa
The most sunny months:
May 11 days
September 11 days
July 11 days
The most warm months:
May 93.8 °F
April 93.4 °F
June 92.8 °F
Warmest sea temperature:
May 90.7 °F
June 90.5 °F
July 89.6 °F
The most cold months:
January 89.3 °F
December 89.9 °F
February 90.3 °F
The most rainy months:
December 18 days
November 16 days
January 14 days
The most windy months:
February 9 mph
January 9 mph
August 9 mph

Sentosa on the Weather Map

Singapore Resorts:
NAME
Sentosa +78
Singapore +78
24 Hours Weather Forecast
Sentosa
Local time: 04:18
11 jan, sunday
0600 78°F
S
12 mph
0900 80°F
S
11 mph
1200 86°F
S
12 mph
1500 88°F
S
9 mph
1800 86°F
S
16 mph
2100 80°F
S
14 mph
12 jan, monday
0000 80°F
S
11 mph
0300 78°F
S
9 mph