Singapore, 2 December 2024 – The prevailing Northeast Monsoon conditions are expected to continue in the first fortnight of December 2024, with winds blowing mainly from the northwest or northeast.
2 In the first week of December 2024, drier conditions could bring a few fine weather days to Singapore. More rainfall may occur in the second week with moderate to heavy thundery showers expected over parts of the island on most afternoons. The showers may extend into the night on a few of these days. The total rainfall for the first fortnight of December 2024 is forecast to be near average over most parts of the island.
3 The daily maximum temperatures are likely to range between 32 degrees Celsius and 34 degrees Celsius on most days and slightly exceed 34 degrees Celsius on a few days.
4 For updates of the daily weather forecast, please visit the MSS website (www.weather.gov.sg), NEA website (www.nea.gov.sg), or download the myENV app.
REVIEW OF THE PAST TWO WEEKS (15 – 30 NOVEMBER 2024)
5 Northeast Monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of November 2024. During the period, the low-level winds blew mainly from the northwest or northeast on most days.
6 In the second fortnight of November 2024, the monsoon rain band was located over the equatorial Southeast Asia region which brought wet weather over Singapore. Moderate to heavy thundery showers occurred on most days. The showers fell mostly in the afternoon, and on few days, extended into the evening. On 22 November 2024, widespread heavy thundery showers fell over many parts of Singapore in the afternoon. The daily total rainfall of 137.2 mm recorded at Woodlands that day was the highest rainfall recorded for the second fortnight of November 2024.
7 The daily maximum temperatures in the second fortnight of November 2024 were between 31 degrees Celsius and 34 degrees Celsius on most days. The highest daily maximum temperature of 34.8 degree Celsius was recorded at Clementi on 22 November 2024.
8 Singapore recorded well above average rainfall in the second fortnight of November 2024. The areas around Admiralty and Pasir Ris registered rainfall of about 185 per cent above average.
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CLIMATE STATION STATISTICS
Long-term Statistics for December
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 30.5 °C |
| Average daily minimum temperature: | 24.3 °C |
| Average monthly temperature: | 26.8 °C |
| Average rainfall: | 331.9 mm |
| Average number of rain days: | 19 |
Historical Extremes for December
(Rainfall since 1869 and temperature since 1929)
| Highest monthly mean daily maximum temperature: | 31.6 °C (2016, 2018) |
| Lowest monthly mean daily minimum temperature: | 21.9 °C (1933) |
| Highest monthly rainfall ever recorded: | 765.9 mm (2006) |
| Lowest monthly rainfall ever recorded: | 62.5 mm (1932) |