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January already Hong Kong’s wettest in 52 years

El Nino effect behind extraordinary precipitation, Observatory says

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The city has already had 80 millimetres of rainfall this month, triple the amount for an average January. Photo: Felix Wong

Less than half way through the month, Hong Kong has already had its wettest January in 52 years – and there’s plenty more to come.

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Hong Kong Observatory scientific officer He Yu-heng said more rain patches were likely on Monday, before a wet weekend with at least another 20 to 30mm.

“This is likely due to the El Nino effect for the year,” he said. “Generally for an El Nino year, like this, we will get a wetter winter.”

READ MORE: Winter finally hits Hong Kong: temperatures to drop this week as monsoon lands on China coast

Hong Kong has already had more than 80mm of rainfall this month – three times the monthly average – in what should be the driest month of the year for the city.

Typically in January, Hong Kong should have 24.7mm of rainfall.

While heavy overnight showers cleared from the city by Monday afternoon, don’t put away the umbrella just yet. More rain was expected to hit the city on Friday and over the weekend, He said.

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“Looking ahead we expect that under the influence of the north-east monsoon there will be cool weather on the south China coast for the next few days and, due to an upper air disturbance, there will be rainy weather towards the end of this week,” he said.

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