Singapore, 30 April 2025 – Inter-monsoon conditions are expected to continue in the first fortnight of May 2025, with winds mainly light and variable in direction.
2 During the fortnight, thundery showers are expected over parts of the island on some afternoons. The showers may extend into the evening on a few of these days. In addition, Sumatra squalls may bring widespread thundery showers and gusty winds in the morning on some days. The total rainfall for the first fortnight of May 2025 is forecast to be near average over most parts of the island.
3 The daily maximum temperatures are likely to be around 34 degrees Celsius on most days and reach 35 degrees Celsius on some days.
4 For updates of the daily weather forecast, please visit the MSS website (https://www.weather.gov.sg), NEA website (www.nea.gov.sg), or download the myENV app.
REVIEW OF THE PAST TWO WEEKS (16 – 29 APRIL 2025)
5 Inter-monsoon conditions prevailed over Singapore and the surrounding region with the winds generally light and variable in direction.
6 In the second fortnight of April 2025, moderate to heavy thundery showers affected parts of the island on most days. On 20 April 2025, regional convergence of winds brought heavy thundery showers over many areas of Singapore in the afternoon. The daily total rainfall of 113.6 mm recorded at Bukit Timah that day was the highest rainfall recorded for the second fortnight of April 2025.
7 The second fortnight of April 2025 was warm, with daily maximum temperatures registering above 34 degrees Celsius on 11 days. The highest daily maximum temperature of 36.0 degree Celsius was recorded at Admiralty on 25 April 2025.
8 Most parts of Singapore recorded above average rainfall in the second fortnight of April 2025. The rainfall around Bukit Timah was about 110 per cent above average and the rainfall around Tai Seng about 45 per cent below average.
CLIMATE STATION STATISTICS
Long-term Statistics for May
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 32.43 °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 Ma
(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) |