The Hong Kong Observatory said with 11 months warmer than usual, 2020 was the second warmest year for Hong Kong since records began in 1884.

The annual mean temperature of 24.4 degrees Celsius was 1.1 degrees above the 1981-2010 normal.

The annual mean maximum temperature of 27.2 degrees Celsius and the annual mean minimum temperature of 22.5 degrees Celsius were the highest and second highest on record.

The mean temperature, the mean maximum temperature and the mean minimum temperature for summer from June to August reached 29.6 degrees Celsius, 32.6 degrees Celsius and 27.7 degrees Celsius, all the highest on record.

The highest temperature in the year was 35.3 degrees Celsius on July 23, one of the joint 12th highest on record. There were 50 hot nights and 47 very hot days in 2020, both the highest on record.

The lowest temperature recorded in 2020 was 8.1 degrees Celsius on December 31. The number of cold days in the year was 11 days, which is 6.1 days less than normal.

The annual total rainfall in 2020 was 2,395mm, similar to the normal of 2,398.5mm, with 11 red rainstorm warnings and two black rainstorm warnings issued in the year.

The number of days with thunderstorms was 42 days, about three days more than the normal.

A total of 25 tropical cyclones occurred over the western North Pacific and the South China Sea in 2020, less than the long-term average of about 30.

Typhoon Signal No. 9 was issued during the passage of Higos in August while the Typhoon Signal No. 8 was issued during the passage of Nangka in October.