30 April 2026 – 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 2026, thundery showers are expected over parts of the island in the afternoon on most days. The showers may extend into the evening on a few days. In addition, Sumatra squalls may bring widespread thundery showers and gusty winds on one or two mornings. The total rainfall for the first fortnight of May 2026 is forecast to be above average over most parts of the island.
3 While thundery showers are expected on most days, the first fortnight of May 2026 will still likely be warm. The daily maximum temperatures are forecast to range between 33 degrees Celsius and 35 degrees Celsius on most days and slightly exceed 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 (16 – 29 April 2026)
5 Inter-monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of April 2026. The prevailing winds were generally light and variable in direction.
6 Thundery showers fell over parts of the island on most days in the second fortnight of April 2026. On 21 April 2026, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the late morning and afternoon. The daily total rainfall of 104.4 mm recorded at Jurong West that day was the highest rainfall recorded for the second fortnight of April 2026.
7 The daily maximum temperatures in the second fortnight of April 2026 were above 33 degrees Celsius on most days. The highest daily maximum temperature of 35.5 degrees Celsius was recorded at Paya Lebar and Tuas South on 25 April 2026 and at Clementi on 28 April 2026.
8 The eastern and western parts of Singapore recorded above average rainfall while the other parts of the island mostly recorded below average rainfall in the second fortnight of April 2026. The area around Changi registered rainfall of 68 per cent above average, and the area around Lower Pierce Reservoir registered rainfall of 61 per cent below average.
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) |