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More Thundery Showers With Onset Of Inter-Monsoon Conditions

01 Apr 2024

Singapore, 1 April 2024 – Inter-monsoon conditions are expected to set in during the first week of April 2024 as the Northeast Monsoon gradually weakens. The inter-monsoon period is characterised by light and variable winds as well as higher lightning activity.

2          The first half of April 2024 may be wetter than the past fortnight, with moderate to heavy thundery showers expected over parts of Singapore on most afternoons. The total rainfall for the first fortnight of April 2024 is forecast to be near average over most parts of the island.

3          While more showers are expected in the first half of April 2024, the daily maximum temperatures may still range between 34 degrees Celsius and 35 degrees Celsius on most days. The daily maximum temperatures may exceed 35 degrees Celsius on a few days when there is less cloud coverage.

4          For updates of the daily weather forecast, please visit the MSS website (, NEA website (, or download the myENV app.

REVIEW OF THE PAST TWO WEEKS (15 – 31 March 2024)

5          Northeast Monsoon conditions prevailed over Singapore and the surrounding region in the second half of March 2024. The prevailing low-level winds blew from the northwest or northeast on most days.

6          The second half of March 2024 was fairly dry. Thundery showers fell over parts of the island on some afternoons. On 17 March 2024, strong solar heating coupled with localised sea breeze convergence brought moderate to heavy thundery showers over the southern and western parts of Singapore in the late afternoon. The daily total rainfall of 81.8 mm recorded at Kent Ridge that day was the highest rainfall recorded for the second half of March 2024.

7          The past fortnight was warm, with daily maximum temperatures above 35 degrees Celsius on most days. The highest daily maximum temperature of 36.3 degree Celsius was recorded at Choa Chu Kang on 24 March 2024.

8          Well below average rainfall was received across the island in the second fortnight of March 2024. Changi and Simei registered rainfall of 99 per cent below average, and Kent Ridge registered rainfall of 10 per cent below average.



Long-term Statistics for April

(Climatological reference period: 1991-2020)

Average daily maximum temperature:



Average daily minimum temperature:



Average monthly temperature:






Average rainfall:



Average number of rain days:




Historical Extremes for April

(Rainfall since 1869 and temperature since 1929)

Highest monthly mean daily maximum temperature:


°C (1983)

Lowest monthly mean daily minimum temperature:


°C (1934)




Highest monthly rainfall ever recorded:


mm (1900)

Lowest monthly rainfall ever recorded:


mm (1977)

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