Singapore, 31 May 2024 – Southwest Monsoon conditions are prevailing over Singapore and the surrounding region with winds blowing mainly from the southeast or southwest.

2          The first half of June 2024 is expected to be less wet than the previous fortnight. Localised short-duration thundery showers are expected over parts of the island in the late morning and afternoon on some days. There may be several fair days, particularly in the second week of June 2024. The total rainfall for the first fortnight of June 2024 is forecast to be below 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 and may reach around 35 degrees Celsius on a few days when there is less cloud coverage. The nights are likely to be warm and humid. On several nights, the temperatures may stay above 28 degrees Celsius.

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 May 2024)

5          In the second half of May 2024, the light and variable winds prevailing over Singapore strengthened to blow from the southeast or southwest, as Southwest Monsoon conditions set in over the region.

6          Thundery showers fell over parts of Singapore on most days in the second half of May 2024. On 16 May 2024, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the morning and early afternoon. The daily total rainfall of 84.2 mm recorded at Pasir Laba that day was the highest rainfall recorded for the second half of May 2024.

7          The daily maximum temperatures in the second half of May 2024 were above 33 degrees Celsius on most days. The highest daily maximum temperature of 35.3 degrees Celsius was recorded at Pulau Ubin on 29 May 2024.

8          About half of the island recorded above average rainfall in the second half of May 2024. Simei registered rainfall of 53 per cent above average, and Kent Ridge registered rainfall of 57 per cent below average.

CLIMATE STATION STATISTICS

Long-term Statistics for June   (Climatological reference period: 1991-2020)
Average daily maximum temperature:	31.9	°C
Average daily minimum temperature:	25.7	°C
Average monthly temperature:	28.5	°C
Average rainfall:	135.3	mm
Average number of rain days:	13
Historical Extremes for June   (Rainfall since 1869 and temperature since 1929)
Highest monthly mean daily maximum temperature:	33.2	°C (1997)
Lowest monthly mean daily minimum temperature:	23.2	°C (1965)
Highest monthly rainfall ever recorded:	378.7	mm (1954)
Lowest monthly rainfall ever recorded:	21.8	mm (2009)

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