Hong Kong this year endured hottest October since records began: Observatory

This October was Hong Kong’s warmest on record due to a persistent upper-air anticyclone over southern China that delayed the arrival of cooler northern air, the Observatory has said.

The mercury readings were the highest for the month since records began in 1884, with the period seeing the highest monthly mean temperature of 27.4 degrees Celsius (81.32 Fahrenheit) and the highest monthly mean minimum temperature of 25.6 degrees for October.

The monthly mean maximum temperature also stood at 29.9 degrees, marking the second-highest on record for the month. The highest, standing at 30.3 degrees, was logged in October 2024.

“Under the influence of an anticyclone aloft, the local weather was generally fine and very hot on the first three days of the month,” the forecaster said on Tuesday.

“The maximum temperature at the Observatory rose to 33.6 degrees on the afternoon of October 1, the highest of the month.”

The city also experienced record-breaking warm nights and exceptionally hot days, with a total of seven hot nights – including four consecutive ones starting from October 16 – and four very hot days throughout the month.