Singapore, 1 August 2025 – Southwest Monsoon conditions are prevailing, with winds blowing mainly from the southeast or southwest.
2 The first fortnight of August 2025 is expected to be wetter than the previous fortnight. Thundery showers are expected over parts of the island in the late morning and afternoon on most days. In addition, Sumatra squalls may bring widespread thundery showers and gusty winds in the pre-dawn and morning on a few days. The total rainfall for the first fortnight of August 2025 is forecast to be above average over most parts of the island.
3 The daily maximum temperatures are likely to range between 32 degrees Celsius and 34 degrees Celsius on most 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 – 31 JULY 2025)
5 Southwest Monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of July 2025, with winds blowing mostly from the southeast or southwest.
6 Singapore experienced fair and warm weather on most days in the second fortnight of July 2025. Thundery showers fell over parts of the island on some days. On 30 July 2025, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the night. The daily total rainfall of 88.4 mm recorded at Lower Peirce Reservoir that day was the highest rainfall recorded for the second fortnight of July 2025.
7 The daily maximum temperatures in the second fortnight of July 2025 were above 33 degrees Celsius on most days. The highest daily maximum temperatures of 34.9 degree Celsius were recorded at Admiralty on 17 July 2025 and at Paya Lebar on 18 July 2025. There were also several warm nights, particularly over the eastern, southern and western parts of the island where the minimum night-time temperatures stayed above 27 degrees Celsius.
8 Most parts of Singapore recorded below average rainfall in the second fortnight of July 2025. The area around Paya Lebar registered rainfall of 83 per cent below average, and the area around Clementi registered rainfall of 24 per cent above average.
CLIMATE STATION STATISTICS
Long-term Statistics for August
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 31.4 °C |
| Average daily minimum temperature: | 25.3 °C |
| Average monthly temperature: | 28.1 °C |
| Average rainfall: | 146.9 mm |
| Average number of rain days: | 14 |
Historical Extremes for August
(Rainfall since 1869 and temperature since 1929)
| Highest monthly mean daily maximum temperature: | 32.7 °C (2019) |
| Lowest monthly mean daily minimum temperature: | 23.0 °C (1962) |
| Highest monthly rainfall ever recorded: | 526.8 mm (1878) |
| Lowest monthly rainfall ever recorded: | 11.8 mm (2019) |