An intense thunderstorm in the afternoon over western Singapore brought hailstones the size of small pebbles to the Bukit Batok area on 25 June 2013. The thunderstorm developed following strong solar heating and convergence of winds over western Singapore. Moderate rainfall of 31.8 mm over half an hour was recorded at Corporation Road between 2.50pm and 3.20pm.
The intense thunderstorm (in red and pink colours) as detected by weather radar and hailstones sighted at Bukit Batok around 3pm on 25 June 2013.
In 2014, hail was observed during an intense thunderstorm event on 14 October around the Turf Club Road area.
The previous reported occurrence of hail in Singapore was on 12 September 2009.