Hong Kong Weather in October
It is still hot in Hong Kong in October, as the average temperature is between 23℃/73.4℉ and 28℃/82.4℉,and the highest temperature can reach 30℃/86℉. There are more cloudy days than sunny days.
Sunny Days: 3 days
Cloudy Days: 23 days
Rainy Days: 5 days
What to wear and bring
Early October is the hottest period in the month, with temperatures between 27℃/80.6℉ and 34℃/93.2℉. You can still wear cool clothing like T-shirts and short dresses and sun protection products are also necessary to bring.
Weather on Chinese National Day holiday
It is very hot during the Chinese National Day holiday. It might rain lightly for a couple of days. You are advised to wear shorts or short dresses, and do not stay outside for a long time.
The highest temperature in the middle of the month only goes up to 28℃/82.4℉, and there are two or three rainy days. The temperature may decline to 22℃/71.6℉ because of the rainy days. It is recommended that you wear shorts with light coats, and carry an umbrella when you go out.
The temperature in late October is still going down, with lowest temperatures that can reach 19℃/66.2℉. You are advised to wear light coats and remember to add some clothes when it is raining to avoid catching a cold.