Warm Weather to Continue for the Rest of April 2023

Singapore, 17 April 2023 – The inter-monsoon conditions prevailing over Singapore and the surrounding region are expected to continue in the second half of April 2023. The low-level winds are forecast to be light and variable in direction on most days.

2       Short-duration thundery showers are expected over parts of the island in the afternoon on most days due to strong daytime heating of land areas. The showers could extend into the evening on a few days. On one to two days in the first week of the fortnight, Sumatra squalls may develop over the Strait of Malacca and move eastwards towards Singapore bringing widespread thundery showers and gusty winds in the pre-dawn and morning. Overall, near average rainfall can be expected for the second half of April 2023 and the total rainfall for the month is likely be below average over most parts of the island.

3       For the rest of April 2023, it is expected to be warm. While wet weather is forecast, the daily maximum temperature may reach 34 degrees Celsius in the afternoon on most days. On some days when there is less cloud cover, the daily maximum temperature could reach a high of around 35 degrees Celsius.

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


REVIEW (1 – 16 April 2023)

5      The Northeast Monsoon gradually came to an end in early April 2023. Following this, the low-level winds became light and variable in direction.

6      In the first fortnight of April 2023, thundery showers developed over parts of the island on most days due to strong solar heating of land areas. The showers extended into the evening on a few occasions. On a few mornings, showers also affected parts of Singapore. On 1 April 2023, large-scale convergence of winds in the surrounding region brought heavy thundery showers over parts of the island in the afternoon and evening. The rain was heaviest over the eastern part of Singapore around the Changi area, where 90.4mm of rainfall was recorded. That was the highest daily total rainfall for the first fortnight of April 2023.

7      It was generally warm in the first half of April 2023. The daily maximum temperature was above 34 degrees Celsius on most days, with four days registering temperatures of 35 degrees Celsius or more. The highest daily maximum temperature was 36.1 degrees Celsius, recorded at Woodlands on 14 April 2023.

8      Most parts of Singapore recorded below average rainfall in the first fortnight of April 2023. The highest anomaly of 88 per cent above average was recorded at Changi. The anomaly was lowest around Jurong West at 62 per cent below average.






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)