October weather forecast
Hong Kong, Hong Kong

The lit city of Hong Kong, on the Hong Kong Island
The lit city of Hong Kong, on the Hong Kong Island

Weather in October

October, like September, in Hong Kong, Hong Kong, is another warm autumn month, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 23.7°C (74.7°F).

Temperature

In October, the average high-temperature is almost the same as in September - a moderately hot 27.8°C (82°F). The average low-temperature, is 23.7°C (74.7°F).

Heat index

In October, the average heat index is appraised at a tropical 30.7°C (87.3°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Hong Kong, Hong Kong, the average relative humidity in October is 73%.

Rainfall

In Hong Kong, in October, it is raining for 7.4 days, with typically 100.9mm (3.97") of accumulated precipitation. In Hong Kong, during the entire year, the rain falls for 137.8 days and collects up to 2398.4mm (94.43") of precipitation.

Sea temperature

In October, the average sea temperature in Hong Kong is 26.5°C (79.7°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In October, the average length of the day is 11h and 38min.
On the first day of October in Hong Kong, Hong Kong, sunrise is at 06:14 and sunset at 18:11. On the last day of the month, sunrise is at 06:26 and sunset at 17:47 HKT.

Sunshine

In Hong Kong, the average sunshine in October is 6.3h.

UV index

The average daily maximum UV index in October in Hong Kong is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 9 in October transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in October in Hong Kong?

The average high-temperature, in October, is 27.8°C (82°F), while the average low-temperature is 23.7°C (74.7°F). In October, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 30.7°C (87.3°F).

What is the average humidity in October in Hong Kong?

In October, the average relative humidity in Hong Kong, Hong Kong, is 73%.

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

In Hong Kong, in October, it is raining for 7.4 days, with typically 100.9mm (3.97") of accumulated precipitation.

How warm is the water in October in Hong Kong?

In Hong Kong, in October, the average water temperature is 26.5°C (79.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Hong Kong have in October?

In Hong Kong, Hong Kong, the average day length in October is 11h and 38min.

When is the sunrise / sunset in October in Hong Kong?

In October, on the first day of the month, sunrise is at 06:14 and sunset at 18:11. On the last day of the month, in Hong Kong, Hong Kong, sunrise is at 06:26 and sunset at 17:47 HKT.

How many hours of sunshine does Hong Kong have in October?

In October, the average sunshine duration is 6.3h.

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

The average daily maximum UV index in October in Hong Kong is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in October
Hong Kong, Hong Kong

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).

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Average humidity in October
Hong Kong, Hong Kong

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

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

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Average rainfall in October
Hong Kong, Hong Kong

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 least rainfall) is January (24.7mm).

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Average rainfall days in October
Hong Kong, Hong Kong

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 least rainy days is December (4.5 days).

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Average sea temperature in October
Hong Kong, Hong Kong

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).

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Average daylight in October /
Average sunshine in October
Hong Kong, Hong Kong

Average daylight in October / Average sunshine in October - Hong Kong, Hong Kong
  • Average daylight in October: 11h and 38min

The month with the longest days is June (Average daylight: 13h and 29min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in October: 6.3h

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

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Average UV index in October
Hong Kong, Hong Kong

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

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

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