Sentosa Island in december: average Weather, Temperature and Climate
Weather in Sentosa Island in december 2026
The weather in Sentosa Island in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
bad weather UV index: 7
Weather at 6am
79°F
Moderate rain at times
38% of time
26%
23%
10%
Weather at 12pm
86°F
Moderate rain at times
41% of time
35%
16%
6%
Weather at 6pm
83°F
Heavy rain
44% of time
39%
12%
4%
Weather at 3am
79°F
44%
26%
15%
9%
Evolution of daily average temperature and precipitation in Sentosa Island in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sentosa Island in december.
The climate of Sentosa Island in december is bad
the weather in Sentosa Island in december is wet (with 17.8in of precipitation over 24 days). Unfortunately, the weather conditions is worsening than the previous month since in november there is an average of 16.5in of rainfall over 23 days.
The climate is very warm around this city this month. The high seasonal norm is 88°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average in december in Sentosa Island is 83°F. Note that seasonal normals in contrast with those observed in Sentosa Island in the month of december with a maximum record of 94°F in 2017 and a minimum record of 76°F in 2009. You You can hope to have about 20 days with temperatures above 86°F, or 65 of time.
On this month of december, day length in Sentosa Island is generally 12:03. The sun rises at 06:58 and sunset is at 19:01.
Seasonal average climate and temperature of Sentosa Island in december
Check below seasonal norms These datas are set from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 94°F (2017) | ||||
| Lowest record temperature | 76°F (2009) | ||||
| Number of days at +86°F | 20 day(s) (65%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 17.8in | ||||
| Number of days with rainfall | 24 day(s) (77%) | ||||
| Record daily rainfall | 5.6in (2009) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.75km | ||||
| Cloud cover | 48% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:58 | ||||
| Time of sunset | 19:01 | ||||
| Length of day | 12:03 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Sentosa Island in december 2025:
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 83°F
77°F to 83°F
77°F to 85°F
77°F to 83°F
77°F to 83°F
77°F to 86°F
77°F to 83°F
77°F to 83°F
77°F to 83°F
77°F to 85°F
77°F to 83°F
77°F to 81°F
76°F to 81°F
76°F to 81°F
76°F to 85°F
76°F to 83°F
77°F to 85°F
77°F to 85°F
77°F to 86°F
77°F to 88°F
79°F to 88°F
79°F to 86°F
77°F to 85°F
77°F to 83°F
77°F to 79°F
77°F to 81°F
77°F to 83°F
76°F to 83°F
Map: other cities in Singapore in december
Cities near Sentosa Island:
| Singapore in december | bad weather |
| Jurong East in december | bad weather |
| Pulau Ubin in december | bad weather |
Click over cities on the map for information about the weather in december.
Sentosa Island
perfect weather
good
tolerable
bad
very bad
Weather data for Sentosa Island in december:
Weather data for Sentosa Island for december are derived from an average of the weather forecast since 2009 in Sentosa Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sentosa Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sentosa Island.