Thundery Showers on Most Afternoons for the Rest of April 2026

16 April 2026 – Inter-monsoon conditions are expected to continue for the rest of April 2026. 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 2026, 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. On one or two days, Sumatra squalls may bring widespread thundery showers accompanied by gusty winds in the pre-dawn hours and morning. There may be a few days with little rainfall. Overall, the total rainfall for the second fortnight of April 2026 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 2026)

5   In the first fortnight of April 2026, 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   During the first fortnight of April 2026, Singapore experienced more rainfall compared to the second half of March 2026. Most thundery showers occurred in the afternoons, driven by strong solar heating over land areas. On 7 April 2026, a Sumatra squall brought widespread showers to many parts of Singapore in the morning. The highest daily rainfall of the fortnight was recorded that day at the area around Punggol, where 60.8 mm of rain fell.

7   In the first fortnight of April 2026, maximum temperatures exceeded 34 degrees Celsius on 12 days. The highest daily maximum of 35.4 degrees Celsius was recorded at Paya Lebar on 5 April 2026.

8    Most parts of Singapore recorded below average rainfall in the first half of April 2026. The area around Bedok North registered rainfall of 91 per cent below average, and the area around Seletar registered rainfall of 5 per cent above 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)