Source: Hong Kong Government special administrative region
The Director of the Hong Kong Observatory (HKO), Dr Chan Pak-wai, hosted a press briefing today (March 23) to recap the weather in 2025 and elaborate on the weather outlook for Hong Kong this year as well as the HKO’s latest services.
Dr Chan said that, according to the World Meteorological Organization’s assessment, 2025 was the second or third warmest year on record globally. Locally, 2025 was the sixth warmest year on record. In particular, October 2025 was exceptionally warm, breaking the records of monthly mean temperature, monthly mean minimum temperature, and number of hot days and hot nights for October. Hong Kong also experienced the warmest winter on record from December 2025 to February 2026, with the winter mean temperature reaching 19.3 degrees, 2.0 degrees above the normal. In addition, there were five Black Rainstorm Warnings, breaking the annual number on record since the rainstorm warning system began operation in 1992. 14 tropical cyclones necessitated the issuance of tropical cyclone warning signals, the highest annual number since 1946.
Dr Chan’s speech at the press briefing is available on the HKO’s website at: https://www.hko.gov.hk/en/dhkovoice/files/speech20260323e.pdf