HONG KONG – June was hotter and drier than usual in Hong Kong, mainly due to the stronger subtropical ridge covering southeastern China, according to the Hong Kong Observatory.

The monthly mean minimum temperature of 27.1 degrees Celsius was 0.6 degrees above the norm and the fifth highest on record for June, according to data released by the HKO on Thursday.

The monthly mean maximum temperature of 31.5 degrees Celsius and the monthly mean temperature of 28.9 degrees Celsius were 0.8 and 0.6 degrees above their corresponding norms, and both were among the seventh on record for the month.

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The city recorded a total rainfall of 237.3 millimeters in the month, which was about 48 percent of the norm.

With all six months drier than usual, the accumulated rainfall in the first half this year was only 444.4mm, about 41 percent of the norm and the fifth lowest on record for the same period, according to the HKO data.

It was extremely hot on June 10 with the maximum temperature soaring to 35.6 degrees Celsius, levelling the record maximum for June since records began in 1884.

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Three tropical cyclones occurred over the South China Sea and the western North Pacific in June, added the observatory.