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COLD WEATHER IN S’PORE EXPECTED UNTIL YEAR-END, ENJOY A COOLING X’MAS & NEW YEAR

Wet and slightly cooler weather expected for rest of December 2022

16 Dec 2022

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Singapore, 16 December 2022 – Northeast Monsoon conditions are currently prevailing over Singapore and the surrounding region. The wet phase of the monsoon is expected to continue into January 2023, followed by the dry phase from February to mid-March 2023. For the rest of December 2022, the low-level winds are forecast to blow from the northwest or northeast. Generally wet and cool conditions can be expected during this time.

2          In the second half of December 2022, moderate to heavy thundery showers are expected over parts of the island in the afternoon on most days. The showers may extend into the evening on a few days. A brief strengthening of northerly winds over the Singapore and the surrounding region can also be expected in the coming fortnight. This could bring windy conditions with occasional showers on two or three days. Overall, the total rainfall for December 2022 is forecast to be near average over most parts of Singapore.

3          For the next two weeks, the daily temperature is forecast to range between 24 degrees Celsius and 32 degrees Celsius on most days. On two or three days, the daily maximum temperature may reach a high of around 33 degrees Celsius. Daily lows of around 23 degrees Celsius can be expected on a few rainy 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.

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REVIEW (1 – 15 December 2022)

5          In the first half of December 2022, Northeast Monsoon conditions prevailed over Singapore and the surrounding region, and the low-level winds blew mainly from the northwest or northeast.

6          Singapore experienced short-duration moderate to heavy afternoon thundery showers on most days in the first fortnight of December 2022. The showers extended into the evening on a few occasions. On 11 December 2022, large-scale convergences of winds over Singapore and the surrounding vicinity led to the development of a Sumatra squall that brought widespread moderate to heavy thundery showers in the morning and early afternoon. The daily total rainfall of 127.4mm, recorded around West Coast Road area, was the highest daily total rainfall for the first fortnight of December 2022.

7          In the first half of December 2022, the daily maximum temperature was below 32 degrees Celsius on most days due to the rainy weather. There were two days when the daily maximum temperature was higher than 33 degrees Celsius. Cooler temperatures were experienced in the first fortnight of December 2022. All days in the first fortnight of December 2022 registered daily minimum temperatures of 24 degrees Celsius or less with the lowest of 22.2 degrees Celsius recorded at Jurong West on 3 December 2022.

8          During the fortnight, rainfall was above average for the south-western part of the island, while the rainfall for north-western part of Singapore was below average. The highest rainfall anomaly of 49 per cent above average was recorded at Kent Ridge. The anomaly was lowest at Jurong West at 55 per cent below 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:331.9mm
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:765.9mm (2006)
Lowest monthly rainfall ever recorded:62.5mm (1932)
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