More Thundery Showers Expected for the Rest of November 2023

Singapore, 16 November 2023 – Inter-monsoon conditions are prevailing over the region, with the low-level winds generally light and variable in direction.

2    In the coming fortnight, the monsoon rain band is forecast to lie close to the equatorial region, bringing more thundery showers to Singapore. On most days during this period, short-duration thundery showers are expected over parts of the island in the afternoon, extending into the evening on a few days. The thundery showers could be widespread and heavy on some of these days. The total rainfall for the second fortnight of November 2023 is forecast to be above average over most parts of the island.

3    Warm conditions are expected in the coming fortnight. The daily temperature is likely to range between 24 degrees Celsius and 34 degrees Celsius on most days. The daily maximum temperature may reach a high of around 35 degrees Celsius on a few days when there are less clouds in the sky.

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 (1 – 15 November 2023)

5    Singapore and the surrounding region experienced inter-monsoon conditions in the first half of November 2023. The low-level winds that blew predominantly from the southeast or southwest since June 2023 weakened and became mostly light and variable in direction.

6    Thundery showers occurred over parts of Singapore mainly in the afternoon on most days in the first half of the month. On 7 November 2023, widespread moderate to heavy thundery showers fell over many parts of the island in the afternoon. The daily total rainfall of 69.7 mm recorded at Woodland that day was the highest rainfall recorded for the first half of November 2023.

7    The first half of November 2023 was generally warm with daily maximum temperatures above 33 degrees Celsius on most days. The highest daily maximum temperature of 35.8 degree Celsius was recorded at Newton on 3 November 2023. This temperature reading ties with the record for highest daily maximum temperature in Singapore in the month of November (last recorded at Admiralty on 18 November 2019) since temperature records started in 1929.

8    Most parts of the island recorded below-average rainfall in the first half of November 2023. Queenstown recorded rainfall of 84 per cent below-average, and Simei recorded rainfall of 38 per cent above-average.

 

 

 

CLIMATE STATION STATISTICS

Long-term Statistics for November
(Climatological reference period: 1991 – 2020)

Average daily maximum temperature: 31.2 °C
Average daily minimum temperature: 24.6 °C
Average monthly temperature: 27.2 °C
Average rainfall: 252.3 mm
Average number of rain days: 19

 

Historical Extremes for November
(Rainfall since 1869 and temperature since 1929)

Highest monthly mean daily maximum temperature: 32.3°C (2019)
Lowest monthly mean daily minimum temperature: 22.4 °C (1933)
Highest monthly rainfall ever recorded: 521.5 mm (1874)
Lowest monthly rainfall ever recorded: 53.5 mm (1981)