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Hongkongers are set for a scorching week ahead, with the forecaster predicting temperatures will climb as high as 33 degrees Celsius (91.4 Fahrenheit) on four days in a row, which may trigger the first very hot weather warning of the year.

The Observatory said on Sunday that an anticyclone aloft would continue to bring hot and fine weather to the coast of Guangdong province and the northern part of the South China Sea over the next few days.

“The weather will be generally fine and become very hot over the region. Under the influence of a southerly airstream, there will be isolated showers over the coast of Guangdong [on Monday],” the forecaster said.

Temperatures in urban areas are expected to hit a maximum of 33 degrees from Tuesday to Friday, accompanied by humidity levels reaching up to 95 per cent by the week’s end, it said.

Generally, the Observatory issues the very hot weather warning when the maximum daily temperature in urban or widespread areas is expected to reach 33 degrees or above, although the benchmark is not rigid.