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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)

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

Singapore, 1 October 2025 – The Southwest Monsoon is coming to an end and inter-monsoon conditions are expected to set in during the first week of October 2025. The inter-monsoon period is characterised by light and variable winds, as well as higher lightning activity.

2    In the first fortnight of October of 2025, 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 on one or two mornings. The total rainfall for the first fortnight of October 2025 is forecast to be near 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 and slightly exceed 34 degrees Celsius on a few 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 – 30 SEPTEMBER 2025)

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

6    In the second fortnight of September 2025, localised short-duration thundery showers fell over parts of the island on several days. On 28 September 2025, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the afternoon and evening. The daily total rainfall of 59.4 mm recorded at Pasir Ris that day was the highest rainfall recorded for the second fortnight of September 2025.

7     The daily maximum temperatures in the second fortnight of September 2025 were above 33 degrees Celsius on most days. The highest daily maximum temperature of 34.6 degree Celsius was recorded at Pulau Ubin on 23 September 2025 and at Admiralty on 27 September 2025.

8    Singapore recorded well below average rainfall in the second fortnight of September 2025. Jurong West registered rainfall of about 94 per cent below average.

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CLIMATE STATION STATISTICS

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

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

Singapore, 16 September 2025 – The prevailing Southwest Monsoon conditions are forecast to persist over Singapore and the surrounding region for the rest of September 2025, with winds blowing mainly from the southeast or southwest.

2    In the second fortnight of September of 2025, Sumatra squalls may bring widespread thundery showers and gusty winds in the pre-dawn and morning on several days. Localised short-duration thundery showers can be expected over parts of the island on some afternoons. There may be few dry days. Overall, the total rainfall for the second fortnight of September 2025 is forecast to be near average over most parts of the island.

3    Daily temperatures are likely to range between 24 degrees Celsius and 33 degrees Celsius on most days. Although thundery showers are expected on most days, the daily maximum temperature may reach slightly above 34 degrees Celsius on a few 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 (1 – 15 SEPTEMBER 2025)

5    In the first half of September 2025, Southwest Monsoon conditions prevailed over the region and the low-level winds blew mostly from the southeast or southwest.

6    In the first half of September 2025, localised short-duration thundery showers fell over parts of the island on some days. Sumatra squalls brought thundery showers over Singapore in the pre-dawn and morning on several days. On 5 September 2025, the passage of a Sumatra squall brought widespread thundery showers and gusty winds over Singapore in the morning. The daily total rainfall of 102.6 mm recorded around the Sarimbun Reservoir area that day was the highest rainfall recorded for the first half of September 2025.

7     The rainy weather and cloudy skies in the first half of September 2025 brought relatively cool conditions on several days. There were four days in the fortnight where the daily maximum temperature was below 30 degrees Celsius. The highest daily maximum temperature of 33.8 degrees Celsius was recorded at Admiralty on 3 September 2025.

8    Singapore registered well above-average rainfall in the first half of September 2025. The area around Seletar recorded 248 per cent above average rainfall while Paya Lebar recorded rainfall of 73 per cent above average.

CLIMATE STATION STATISTICS

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

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

Singapore, 1 September 2025 – Southwest Monsoon conditions are prevailing and expected to persist over Singapore and the surrounding region in the coming fortnight with winds blowing mainly from the southeast or southwest.

2    In the first fortnight of September of 2025, Sumatra squalls may bring widespread thundery showers and gusty winds in the pre-dawn and morning on several days. In addition, moderate to heavy thundery showers are expected over parts of the island in the late morning and afternoon on some days. The total rainfall for the first fortnight of September 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 (15 – 31 AUGUST 2025)

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

6    In the second fortnight of August 2025, localised short-duration thundery showers fell over parts of the island on several days. Sumatra squalls also brought thundery showers and gusty winds over Singapore in the pre-dawn and morning on a few days. On 24 August 2025, the passage of a Sumatra squall brought widespread thundery showers and gusty winds over Singapore in the early morning. The daily total rainfall of 104.2 mm recorded at Ulu Pandan that day was the highest rainfall recorded for the second fortnight of August 2025.

7     The daily maximum temperatures in the second fortnight of August 2025 were between 32 degrees Celsius and 34 degrees Celsius on most days. The highest daily maximum temperature of 34.7 degree Celsius was recorded at Ang Mo Kio on 22 August 2025.

8    About half of Singapore recorded above average rainfall in the second fortnight of above 2025. The area around Clementi registered rainfall of 128 per cent above average, and the area around Changi registered rainfall of 40 per cent below average.

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CLIMATE STATION STATISTICS

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

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

Singapore, 15 August 2025 – The prevailing Southwest Monsoon conditions are expected to persist over Singapore and the surrounding region in the second half of August 2025, with low-level winds blowing from the southeast or southwest.

2   In the second fortnight of August 2025, short-duration thundery showers are expected between the late morning and afternoon over parts of the island on most days. On a few days, the passage of Sumatra squalls may bring widespread thundery showers and gusty winds between the pre-dawn and morning. The total rainfall for the second fortnight of August 2025 is likely to be near 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. A few nights may 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 – 14 AUGUST 2025)

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

6    In the first fortnight of August 2025, localised short-duration thundery showers fell over parts of the island on most afternoons. There were few days when Sumatra squalls brought widespread thundery showers and gusty winds over Singapore in the pre-dawn and morning. On 13 August 2025, widespread thundery showers from a Sumatra squall fell over many parts of Singapore in the early and pre-dawn hours. The daily total rainfall of 78.6 mm recorded at Pasir Laba that day was the highest rainfall recorded for the first fortnight of August 2025.

7    There were several warm days where the daily maximum temperature was above 34 degrees Celsius in the first fortnight of August 2025. The highest daily maximum temperature of 35.8 degree Celsius was recorded at Paya Lebar on 2 August 2025. This temperature reading is the highest daily maximum temperature for the month of August, exceeding the previous August high of 35.4 degrees Celsius, set on 10 August 2016 at Seletar and Admiralty on 9 Aug 2020.

8    The rainfall was above average over some parts of the island in the first fortnight of August 2025. The area around Jurong registered rainfall of 80 per cent above average, and the area around Somerset registered rainfall of 49 per cent below average.

CLIMATE STATION STATISTICS

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

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

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.

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CLIMATE STATION STATISTICS

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

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

Singapore, 16 July 2025 – The prevailing Southwest Monsoon conditions are forecast to persist over Singapore and the surrounding region with winds blowing mainly from the southeast or southwest.

2   The second half of July 2025 is expected to be drier than the first half of the month. Fair and warm weather can be expected over Singapore on a few days. Localised short-duration thundery showers are forecast in the late morning and afternoon over parts of the island on some days. In addition, widespread thundery showers with gusty winds, due to Sumatra squalls, may occur between the pre-dawn hours and morning on one or two days. The total rainfall for the second half of July 2025 is forecast to be below average over most parts of the island.

3   More warm days are expected in the second half of July 2025, as compared to the first half of the month, with daily maximum temperatures reaching slightly above 34 degrees Celsius on some days. Warm and humid conditions, particularly over the southern and eastern parts of the island are also expected on a few nights, with minimum night-time temperatures hovering around 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 JULY 2025)

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

6   In the first fortnight of July 2025, localised short-duration thundery showers fell over parts of the island on most days. On 9 July 2025, regional convergence of winds brought moderate to heavy thundery showers over many areas of Singapore in the morning. The daily total rainfall of 87.6 mm recorded at Sentosa that day was the highest rainfall recorded for the first fortnight of July 2025.

7  In the first fortnight of July 2025, there were two days where the daily maximum temperature was above 34 degrees Celsius. The highest daily maximum temperature of 34.2 degrees Celsius was recorded at Pulau Ubin on 6 July 2025. There were a few warm nights where the night-time minimum temperature was above 28 degrees Celsius, mainly over the southern and eastern parts of the island.

8  Most parts of Singapore recorded above average rainfall in the first fortnight of July 2025. The area around Clementi registered rainfall of 102 per cent above average, and the area around Jurong Pier registered rainfall of 36 per cent below 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)

Singapore, 1 July 2025 – 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.

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CLIMATE STATION STATISTICS

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

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

Singapore, 16 June 2025 – 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)

Singapore, 2 June 2025 – Winds over Singapore are forecast to strengthen and blow from the southeast or southwest in early June 2025, as the Southwest Monsoon sets in over the region. The Southwest Monsoon season typically extends into September and is generally a drier season compared to other times of the year.

2  In the first fortnight of June 2025, localised short-duration thundery showers are expected over parts of the island in the late morning and afternoon on some 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 June 2025 is forecast to be near average over most parts of the island.

3  The daily maximum temperatures are likely to be around 34 degrees Celsius on most days and reach 35 degrees Celsius on a few days. The nights are likely to be warm and humid. On several nights, the temperatures may stay above 29 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 – 31 MAY 2025)

5  Inter-monsoon conditions prevailed over Singapore and the surrounding region with winds generally light and variable in direction.

6  Localised short-duration thundery showers fell over parts of the island on several days in the second fortnight of May 2025. On 18 May 2025, the passage of a Sumatra squall brought widespread thundery showers over Singapore in the late morning and early afternoon. The daily total rainfall of 78.6 mm recorded at Sembawang that day was the highest rainfall recorded for the second fortnight of May 2025.

7  The second fortnight of May 2025 was warm, with daily maximum temperatures registering above 35 degrees Celsius on several days. The highest daily maximum temperature of 36.2 degree Celsius was recorded at Paya Lebar on 24 May 2025.

8   Singapore recorded below average rainfall in the second fortnight of May 2025. The rainfall around Simei was about 63 per cent below average.

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CLIMATE STATION STATISTICS

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

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