Widespread Continuous Rain Expected on a Few Days This Week

Singapore, 16 January 2024 – The prevailing Northeast Monsoon conditions are expected to continue in the second half of January 2024, with winds blowing mainly from the northwest or northeast.

2     The prevailing wet weather is likely to continue in the first week of the coming fortnight. Between 18 and 20 January 2024, widespread continuous rain, heavy at times and with thunder, may affect Singapore and the surrounding vicinity. In the second half of the fortnight, localised short-duration thundery showers are expected in the afternoon on several days, and occasionally windy conditions with passing showers on one or two days. Overall, the rainfall for the second half of January 2024 is expected to be above average over most parts of the island.

3     The daily temperature is expected to range between 23 degrees Celsius and 29 degrees Celsius on the days when there is continuous rain. For the rest of the fortnight, the daily maximum temperatures are expected to range between 32 degrees Celsius and 33 degrees Celsius on most 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 (1 – 15 January 2024)

5     Northeast Monsoon conditions prevailed over Singapore and the surrounding region in the first half of January 2024 and the 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 in the first two weeks of January 2024. Thundery showers fell over most parts of the island in the afternoon on most days. The showers extended into the night on several of these days. On 4 January 2024, widespread moderate to heavy thundery showers fell over many parts of Singapore. The daily total rainfall of 121.0 mm recorded at Pulau Tekong that day was the highest rainfall recorded for the first half of January 2024.

7     The daily maximum temperatures in the first fortnight of January 2024 were below 33 degrees Celsius on all, except two days. The highest daily maximum temperature of 33.6 degree Celsius was recorded at Clementi on 2 January 2024.

8     Well above average rainfall was registered across the island in the first half of January 2024. The highest anomaly of 184 per cent above average was recorded at Kranji. The anomaly was lowest around Bukit Panjang at 77 per cent above average.







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)