Warm Days and Thundery Showers Expected in First Half of June

Sumatra squalls and slightly hazy conditions also expected on few mornings



Singapore, 2 June 2015 – During the next fortnight, Southwest Monsoon conditions are forecast to set in and low level winds are expected to blow from southeast or south-southwest.

2In the first half of June, a few warm days with maximum temperatures around 34 degrees Celsius can be expected in the afternoon. In addition, short-duration thundery showers due to strong solar heating of land areas are likely on five to seven days, mostly in the late morning and early afternoon. Thundery showers with gusty winds due to Sumatra squalls can be expected on one to two days in the pre-dawn and morning.

3Slightly hazy conditions can be expected on a few days, in particular in the early morning, due to the accumulation of particulate matter under light wind conditions.

4Rainfall for the first fortnight of June 2015 is likely to be near-normal.

Review of 1 – 31 May 2015

5Inter-Monsoon conditions prevailed in May 2015. During the period, the low level winds were light and variable in direction for most parts of the month, and occasionally blew from the southeast or south-southwest in the last week of May 2015.

6Singapore experienced wet weather conditions on most days in May 2015. The thundery showers fell mainly in the late morning and afternoon with the highest total rainfall of 119.6mm recorded on 3 May 2015 over Bukit Panjang area. In addition, on 23 May 2015, moderate to heavy thundery showers due to a Sumatra squall affected many areas of Singapore in the pre-dawn and morning.

7In May 2015, most parts of Singapore received near-average rainfall. The highest rainfall of 352mm and 368mm (80% to 115% above average) were recorded over the western and northern parts of the island around Choa Chu Kang and Woodlands respectively. The lowest rainfall of 59mm and 67mm (50% to 80% below average) were recorded over the eastern and south-western parts of the island around Changi and Tuas respectively.



Average rainfall for the month — 160.4 mm
Highest rainfall ever recorded — 378.7 mm (1954)
Lowest rainfall ever recorded — 21.8 mm (2009)
Average number of rain days — 13
Average daily maximum temperature — 31.3 degrees Celsius
Average daily minimum temperature — 24.8 degrees Celsius

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