Forecast

WEATHER OUTLOOK (16 – 30 JUNE 2025)

1   Southwest Monsoon conditions are prevailing over Singapore and the surrounding region with winds blowing mainly from the southeast or southwest.

2   Localised short-duration thundery showers are expected over parts of the island in the late morning and afternoon on some days in the second fortnight of June 2025. There may be a few fair and occasionally windy days. The total rainfall for the second fortnight of June 2025 is forecast to be below 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. On a few days, the daily maximum temperature could reach a high of 35 degrees Celsius. Most 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 (1 – 15 JUNE 2025)

5   In early June 2025, the light and variable winds prevailing over Singapore strengthened to blow from the southeast or southwest, as Southwest Monsoon conditions set in over the region.

6   Localised short-duration thundery showers fell over parts of the island on several days in the first fortnight of June 2025. On 8 June 2025, the passage of a Sumatra squall brought widespread thundery showers and gusty winds over Singapore in the early hours and pre-dawn. On 15 June 2025, localised convergence of winds brought heavy thundery showers over the southwestern part of Singapore in the late afternoon and night. The daily total rainfall of 131.2 mm recorded at Jurong Island that day was the highest rainfall recorded for the first fortnight of June 2025.

7   The first fortnight of June 2025 was warm, with daily maximum temperatures registering above 34 degrees Celsius on most days. The highest daily maximum temperature of 35.8 degree Celsius was recorded at Ang Mo Kio on 1 June 2025.

8   Most parts of Singapore recorded below average rainfall in the first fortnight of June 2025. The area around Jurong Pier registered rainfall of 67 per cent below average, and the area around Clementi registered rainfall of 12 per cent above average.

CLIMATE STATION STATISTICS

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

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