Singapore, 16 October 2025 – In the second fortnight of October 2025, the prevailing inter-monsoon conditions over Singapore and the surrounding region are expected to continue, with winds mostly light and variable in direction.
2 In the second fortnight of October of 2025, thundery showers are expected over parts of the island in the afternoon on most days. In addition, Sumatra squalls may bring widespread thundery showers and gusty winds between the predawn hours and morning on some days. The total rainfall for the second fortnight of October 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. On some rainy days, daily lows of around 23 degrees Celsius can be expected.
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 OCTOBER 2025)
5 Singapore and the surrounding region experienced inter-monsoon conditions in the first half of October 2025. The low-level winds that blew predominantly from the southeast or southwest since June 2025 weakened and became mostly light and variable in direction.
6 Thundery showers occurred over parts of Singapore mainly in the afternoon on most days in the first half of the month. On 3 October 2025, widespread moderate to heavy thundery showers fell over many parts of the island in the morning. The daily total rainfall of 92.8 mm recorded around Sunset Way that day was the highest rainfall recorded for the first half of October 2025.
7 The daily maximum temperatures recorded in the first half of October 2025 were between 31.7 degrees Celsius and 35.2 degrees Celsius, with five days where the maximum temperatures were 34 degrees Celsius or more. The highest daily temperature of 35.2 degree Celsius was recorded at Choa Chu Kang on 5 October 2025.
8 Most parts of the island registered below-average rainfall in the first half of October 2025. The area around Bedok North recorded rainfall of 67 per cent below-average, and the area around Jurong recorded rainfall of 39 per cent above-average.
CLIMATE STATION STATISTICS
Long-term Statistics for October
(Climatological reference period: 1991 – 2020)
| Average daily maximum temperature: | 31.8 °C |
| Average daily minimum temperature: | 25.0 °C |
| Average monthly temperature: | 27.9 °C |
| Average rainfall: | 168.3 mm |
| Average number of rain days: | 15 |
Historical Extremes for October
(Rainfall since 1869 and temperature since 1929)
| Highest monthly mean daily maximum temperature: | 33.0 °C (2002) |
| Lowest monthly mean daily minimum temperature: | 22.8 °C (1964) |
| Highest monthly rainfall ever recorded: | 497.1 mm (1947) |
| Lowest monthly rainfall ever recorded: | 10.8 mm (2002) |