With drier northeast monsoon affecting Hong Kong for most of the time and less moisture supply to the coast of southern China in the month, April was drier than usual in the special administrative region.

According to the Hong Kong Observatory (HKO), the monthly mean relative humidity was 74 percent, the second lowest on record for April since 1947.

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The total rainfall in the month was 57.1 millimeters, only about 37 percent of the normal of 153.0 mm. The accumulated rainfall recorded in the first four months of the year was 125.5 mm, about 42 percent of the normal of 300.4 mm for the same period, HKO data showed on Tuesday.

The month was also sunnier than usual, with the monthly total sunshine duration of 155.6 hours, which is about 37 percent above the normal of 113.2 hours.

April 2025 was warmer than usual with a mean temperature of 23.7 degrees, 0.7 degrees above the normal of 23.0 degrees, said the observatory.

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There was no tropical cyclone over the South China Sea and the western North Pacific in April 2025.