May weather forecast
Singapore

May in Singapore represents the transition from the first inter-monsoon period to the Southwest Monsoon season. The average daily temperatures in May remain constant, ranging from 25°C (77°F) to 32°C (89.6°F). May shares the title with April for being the warmest month of the year.

As the Southwest Monsoon season sets in, rainfall begins to decrease slightly compared to the previous months. The average rainfall for May is about 180mm (7.09"), with rain typically falling in the form of late-afternoon and evening thundershowers.

Humidity in May continues to be high, usually exceeding 70%, characteristic of Singapore's tropical rainforest climate. Despite the heat and humidity, the transition towards the Southwest Monsoon season often brings slightly more wind, providing some relief.

Geographical differences within Singapore remain minor due to its small size. However, the areas of higher altitude, such as Bukit Timah, may receive marginally more rainfall than the coastal regions.

When compared to April, May experiences a slight reduction in rainfall while the temperature remains similar. As Singapore moves into June, temperatures remain consistent, while the onset of the Southwest Monsoon brings increased rainfall, though less intense than during the Northeast Monsoon season.

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• Singapore - May »
  The months with the warmest seawater in Singapore are May and June, with an average sea temperature of 30.2°C (86.4°F). May and June, with an average sea temperature of 30.2°C (86.4°F), are months with the warmest seawater in Singapore, Singapore.
• Punggol - May »
  A wave of relief welcomes Punggol, Singapore in May as temperatures, raining days, and intensity, and relative humidity start to decrease from the April highs. On the last day of the month, in Punggol sunrise is at 06:56 and sunset at 19:08 +08.
• Choa Chu Kang - May »
  January through December, with an average maximum UV index of 7, are months with the highest UV index in Choa Chu Kang, Singapore. The months with the lowest UV index in Choa Chu Kang are January through December, with an average maximum UV index of 7.
• Bukit Timah - May »
  In Bukit Timah the month of May registers the highest temperatures, averaging 31.3°C (88.3°F) at the peak and 26.8°C (80.2°F) at the lowest. The months with the highest UV index in Bukit Timah are January through December, with an average maximum UV index of 7.
• Bedok - May »
  On the last day of the month, in Bedok sunrise is at 06:56 and sunset at 19:07 +08. The months with the highest UV index in Bedok, Singapore, are January through December, with an average maximum UV index of 7.
• Pasir Ris New Town - May »
  The months with the highest UV index in Pasir Ris New Town, Singapore, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Pasir Ris New Town.
• Jurong East - May »
  The month of May sees the highest average temperatures in Jurong East, reaching 31.3°C (88.3°F) at the peak and 26.8°C (80.2°F) at the low. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Jurong East.