Thundery showers on most days in 2nd half of Oct, warm & humid on some nights

Thundery showers in 2nd half of Oct to be localised & of short duration

After a prolonged dry spell, thundery showers will return on most days in the second half of this month.

However, they will come with some warm and humid nights, said the Meteorological Service Singapore (MSS) in a weather advisory released on Friday (16 Oct).

Thundery showers will take place during the afternoon

According to MSS, the thundery showers over the next two weeks will be localised and of short duration.

They will take place across parts of the island on most days, during the afternoon.

For this period, the total rainfall should be “below average” over most parts of the island.

Southwest Monsoon conditions to continue in Oct

Southwest Monsoon conditions, which set in over the surrounding region in early June, are prevailing over Singapore.

This means that winds over Singapore will blow mainly from the southeast or southwest.

On a few days, the winds may become light and variable in direction.

Some warm and humid nights expected with above-27°C temperatures

As for the temperature, most days will record a daily maximum of between 33°C and 35°C.

On a few days, it could “slightly exceed” 35°C.

Additionally, warm and humid nocturnal conditions are expected on some nights.

This means minimum temperatures will stay above 27°C.

Well-below-average rainfall in 1st half of Oct

Over the first fortnight of October, localised, short-duration thundery showers fell over parts of the island on some days.

But the climate was “largely dry”, with “fair” weather prevailing on most days, MSS said.

This meant that “well-below-average rainfall” was again recorded, with the area around Punggol registering 94% below-average rainfall.

On 1 Oct, heavy thundery showers fell across many areas of Singapore in the afternoon, caused by regional wind convergence.

That day, 60.4mm of rainfall was registered around Nanyang Avenue — the highest daily total rainfall for the fortnight.

Highest temperature recorded in Pulau Ubin

The daily maximum temperatures were above 34°C on most days over the period, MSS said.

The highest daily maximum temperature of 34.9°C was recorded in Pulau Ubin on 6 Oct.

MSS also noted that most nights remained warm, with minimum temperatures staying above 27°C across several parts of Singapore.

Also read: Fair & warm conditions on several days in 1st half of Oct, with some thundery showers

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Featured image adapted from Muhammad Rafi Zidane on Pexels.