October weather forecast and climate
Hong Kong, Hong Kong

A bird
A bird's eye view of the lit city of Hong Kong, in Hong Kong Island
October brings the pleasant autumn season with the retreat of the rain, drop in humidity, and cooler temperatures. The summer heat subsides as the temperatures see a gradual decline to an average 23.3°C (73.9°F) to 30°C (86°F).
The mostly cloudless skies bring much-wanted dryness after the summer rains and thunderstorms. The risk of cyclones is almost non-existent, which means it is the best time to visit Hong Kong with comfortable conditions on the horizon.
Fall offers an escape from the rainy summer with many options - Dragon's Back is one such option, which is renowned among urban hikers to provide picturesque views of southern Hong Kong with its amazing shorelines during the colorful fall weather. Steer clear from the first week of October as the National Day drives many mainland Chinese tourists to Hong Kong, and the place gets crowded.

What is the temperature in October in Hong Kong?

In Hong Kong, Hong Kong, in October, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 23.7°C (74.7°F).

What is the average humidity in October in Hong Kong?

The average relative humidity in October is 73%.

How many days does it rain in October in Hong Kong?

In Hong Kong, Hong Kong, in October, it is raining for 7.4 days, with typically 100.9mm (4") of accumulated precipitation.

How warm is the water in October in Hong Kong?

In October, the average sea temperature in Hong Kong, Hong Kong, is 26.5°C (79.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average UV index in October in Hong Kong?

In Hong Kong, the average UV index in October is 9.
Average temperature in October - Hong Kong, Hong Kong
  • Average high temperature in October: 27.8°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (18.6°C).

  • Average low temperature in October: 23.7°C

The month with the highest average low temperature is July (26.8°C).
The coldest month (with the lowest average low temperature) is January (14.5°C).

Average humidity in October - Hong Kong, Hong Kong
  • Average humidity in October: 73%

Months with the highest relative humidity are April and May (83%).
The month with the lowest relative humidity is December (69%).

Average rainfall in October - Hong Kong, Hong Kong
  • Average rainfall in October: 100.9mm

The wettest month (with the highest rainfall) is June (456.1mm).
The driest month (with the lowest rainfall) is January (24.7mm).

Average rainfall days in October - Hong Kong, Hong Kong
  • Average rainfall days in October: 7.4 days

The month with the highest number of rainy days is June (19.1 days).
The month with the lowest number of rainy days is December (4.5 days).

Average sea temperature in October - Hong Kong, Hong Kong
  • Average sea temperature in October: 26.5°C

The best month for swimming (with the highest average sea temperature) is July (29.1°C).
The coldest month (with the lowest average sea temperature) is February (18.9°C).

Average daylight in October / Average sunshine in October - Hong Kong, Hong Kong
  • Average daylight in October: 11.6h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

  • Average sunshine in October: 6.3h

The month with most sunshine is July (Average sunshine: 6.8h).
The month with least sunshine is March (Average sunshine: 2.9h).

Average UV index in October - Hong Kong, Hong Kong
  • Average UV index in October: 9

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January, November and December (UV index 7).

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