Thundery Showers on Most Days in Coming Fortnight

Singapore, 2 May 2024 – Inter-monsoon conditions are prevailing over Singapore and the surrounding region with winds mostly light and variable in direction.

2    In the first fortnight of May 2024, moderate to heavy thundery showers are expected over parts of the island in the late morning and afternoon on most days. In addition, Sumatra squalls may bring widespread thundery showers accompanied by gusty winds on a few mornings. The total rainfall for the first half of May 2024 is forecast to be above average over most parts of the island.

3    The daily maximum temperatures are likely to range between 33 degrees Celsius and 34 degrees Celsius on most days. The daily maximum temperatures may exceed 35 degrees Celsius on one or two days when there is less cloud coverage.

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 (16 – 30 April 2024)

5    Inter-monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of April 2024. The prevailing winds were generally light and variable in direction.

6    In the past fortnight, thundery showers fell over parts of Singapore on most days. On 16 April 2024, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the morning. The daily total rainfall of 95.0 mm recorded at Pulau Tekong that day was the highest rainfall recorded for the second half of April 2024.

7    The second half of April 2024 was warm, with daily maximum temperatures registering above 34 degrees Celsius on most days. The highest daily maximum temperature of 36.4 degree Celsius was recorded at Paya Lebar on 26 April 2024.

8    Most parts of Singapore recorded below average rainfall in the second half of April 2024. Somerset registered rainfall of 60 per cent below average, and Changi registered rainfall of 31 per cent above average.

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CLIMATE STATION STATISTICS

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

Average daily maximum temperature: 32.3 °C
Average daily minimum temperature: 25.7 °C
Average monthly temperature: 28.6 °C
Average rainfall: 164.3 mm
Average number of rain days: 15

 

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

Highest monthly mean daily maximum temperature: 33.6°C (1997)
Lowest monthly mean daily minimum temperature: 23.5 °C (1974)
Highest monthly rainfall ever recorded: 386.6 mm (1892)
Lowest monthly rainfall ever recorded: 41.6 mm (1997)