Forecast

WEATHER OUTLOOK (1 – 15 JULY 2025)

1   The prevailing Southwest Monsoon conditions are forecast to persist over Singapore and the surrounding region in the next fortnight with winds blowing mainly from the southeast or southwest.

2   During this period, localised short-duration 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 July 2025 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 and slightly exceed 34 degrees Celsius on a few days. Several nights may also be warm and humid, and the temperatures may stay above 28 degrees Celsius.

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 – 30 JUNE 2025)

5   Southwest Monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of June 2025, with winds blowing mostly from the southeast or southwest.

6   In the second fortnight of June 2025, localised short-duration thundery showers fell over parts of the island on several days. On 28 June 2025, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the early afternoon. The daily total rainfall of 69.3 mm recorded at Woodlands that day was the highest rainfall recorded for the second fortnight of June 2025.

7   The daily maximum temperatures in the second fortnight of June 2025 were between 32 degrees Celsius and 34 degrees Celsius on most days. The highest daily maximum temperature of 35.3 degree Celsius was recorded at Paya Lebar on 22 June 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 28 degrees Celsius.

8   Most parts of Singapore recorded below average rainfall in the second fortnight of June 2025. The area around Jurong West registered rainfall of 69 per cent below average, and the area around Admiralty registered rainfall of 63 per cent above average.

CLIMATE STATION STATISTICS

Long-term Statistics for July
(Climatological reference period: 1991 – 2020)

Historical Extremes for July
(Rainfall since 1869 and temperature since 1929)