Singaporeans will need their umbrellas for the rest of November. The Meteorological Service Singapore (MSS) issued a weather advisory on 17 Nov 2025, forecasting wet conditions for the second half of the month. Thundery showers will hit parts of the island on most afternoons. On a few days, the rain may continue into the evening.
Sumatra squalls may bring widespread thundery showers and gusty winds on a few mornings during this period. The total rainfall for the next two weeks is forecast to be above average over most parts of the island.
Daily maximum temperatures will likely range between 32°C and 33°C on most days. On a few days, temperatures may hit around 34°C.
The Northeast Monsoon is expected to set in around end-November. This will bring stronger winds that blow from the cool Northern Hemisphere to the Equator. The winds are expected to strengthen and blow increasingly from the northeast or northwest. The monsoon season typically extends to March.
Record-Breaking Heat and Rainfall Patterns in First Half of November
The first half of November saw below-average rainfall across most parts of Singapore. Inter-monsoon conditions brought light and variable winds over the island and surrounding region.
Thundery showers occurred over parts of Singapore on most days during this period, mainly in the afternoon. Sumatra squalls brought widespread thundery showers and gusty winds on a few days.
On 1 Nov 2025, Newton recorded a daily maximum temperature of 36°C. This marked the highest temperature ever recorded in November since temperature records started in 1929. The reading exceeded the previous November record of 35.8°C, which was recorded on 18 Nov 2019 in Admiralty and on 3 Nov 2023 in Newton. Daily maximum temperatures went above 33°C on most days during the fortnight.
Rainfall distribution varied significantly across different parts of the island. The area around Changi was the wettest, recording about 49 per cent above-average rainfall. In contrast, Jurong had 64 per cent below-average rainfall.
On 16 Nov 2025, widespread moderate to heavy thundery showers fell over many parts of Singapore in the late morning and afternoon. Pulau Semakau recorded a daily total rainfall of 101.8mm that day—the highest for the two-week period.
National water agency PUB announced on 17 Nov 2025 that more than 600 water level sensors will be installed islandwide by 2028. This will improve flood monitoring in Singapore. Other measures in the works include integrating flood alerts on Google Maps and using mobile phone signals to better predict intense rainfall.
