Singapore, 16 April 2025 – Inter-monsoon conditions are expected to continue for the rest of April 2025. Prevailing winds will be mostly light and variable in direction, and blow from the southeast or southwest on some days.
2 In the second fortnight of April 2025, short-duration thundery showers are expected over parts of the island in the afternoon on most days. On some occasions, the showers may extend into the evening. In addition, Sumatra squalls may bring widespread thundery showers and gusty winds during the pre-dawn hours and morning on a few days. There may be a few days with little rainfall. The total rainfall for the second fortnight of April 2025 is forecast to be near 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, with highs of around 35 degrees Celsius on a few 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 (1 – 15 APRIL 2025)
5 In the first fortnight of April 2025, inter-monsoon conditions prevailed over Singapore, with prevailing winds generally light and variable in direction. On some days, the low-level winds shifted to blow from the south or southwest.
6 Thundery showers fell over parts of the island in the afternoon and evening on most days. On 13 April 2025, regional convergence of winds led to the development of intense thundery showers over Singapore in the afternoon. A total of 117.0mm of rainfall was recorded around the Yishun Ring Road area that day. This was the highest daily rainfall recorded for the first fortnight of April 2025.
7 Although it rained across the island on most days, there were nine days when maximum temperatures of 34 degrees Celsius or more were recorded in the first fortnight of April 2025. The highest daily maximum temperature of 36.2 degrees Celsius was recorded at Paya Lebar on 12 April 2025.
8 Most parts of Singapore recorded above-average rainfall in the first fortnight of April 2025. The area around Yio Chu Kang Road registered rainfall of about 217 per cent above average, and the area around Kranji Reservoir registered rainfall of about 9 per cent below average.
CLIMATE STATION STATISTICS
Long-term Statistics for April
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 32.4 °C |
| Average daily minimum temperature: | 25.3 °C |
| Average monthly temperature: | 28.2 °C |
| Average rainfall: | 164.3 mm |
| Average number of rain days: | 15 |
Historical Extremes for April
(Rainfall since 1869 and temperature since 1929)
| Highest monthly mean daily maximum temperature: | 33.9 °C (1983) |
| Lowest monthly mean daily minimum temperature: | 23.1 °C (1934) |
| Highest monthly rainfall ever recorded: | 454.9 mm (1900) |
| Lowest monthly rainfall ever recorded: | 16.6 mm (1977) |