Singapore, 2 January 2024 – The wet weather is likely to continue in the first fortnight of 2024.
2 Moderate to heavy thundery showers are 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 half of January 2024 is forecast to be above average over most parts of the island.
3 During this period, the daily temperatures are likely to range between 24 degrees Celsius and 33 degrees Celsius on most days. Although thundery showers are expected on most days, the daily maximum temperature may reach around 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 – 31 December 2023)
5 Northeast Monsoon conditions prevailed over Singapore and the surrounding region in the second half of December 2023 and the low-level winds blew from the northwest or northeast.
6 The monsoon rain band continued to remain over the equatorial Southeast Asia region and brought wet weather over Singapore. Thundery showers fell over parts of the island in the afternoon on all days in the second fortnight of December 2023. The showers extended into the night on a few occasions. On 25 December 2023, widespread moderate to heavy thundery showers fell over many parts of Singapore in the afternoon. The daily total rainfall of 134.0 mm recorded at Admiralty that day was the highest rainfall recorded for the second half of December 2023 and for December 2023.
7 The daily maximum temperatures in the second half of December 2023 ranged between 33 degrees Celsius and 34 degrees Celsius on most days. The highest daily maximum temperature of 34.4 degree Celsius was recorded at Clementi on 15 December 2023.
8 Most parts of the island recorded above average rainfall in the second half of December 2023. Admiralty recorded rainfall of 73 per cent above average, and Simei recorded rainfall of 18 per cent below average.
CLIMATE STATION STATISTICS
Long-term Statistics for January
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 30.6 °C |
| Average daily minimum temperature: | 24.3 °C |
| Average monthly temperature: | 26.8 °C |
| Average rainfall: | 221.6 mm |
| Average number of rain days: | 13 |
Historical Extremes for January
(Rainfall since 1869 and temperature since 1929)
| Highest monthly mean daily maximum temperature: | 31.8°C (2016, 2018) |
| Lowest monthly mean daily minimum temperature: | 21.6 °C (1933) |
| Highest monthly rainfall ever recorded: | 818.6 mm (2006) |
| Lowest monthly rainfall ever recorded: | 15.4 mm (1932) |