July 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
July is the hottest month of the year, with the average high temperatures at a blistering 31.7°C (89.1°F). It is a time to avoid Hong Kong with its sweltering heat and humidity, as the temperatures rarely drop below the average low of 26.7°C (80.1°F).
Rain is unrelenting with 381mm (15") in the space of 18 days, even though the daily sunshine is at the highest of the year at 7 hours.
For ocean lovers, July is a great time to hit the beach; for swimmers - this is the best time with average sea temperatures of 25.6°C (78.1°F) to enjoy the waters.
Beware of summer thunderstorms and the ultraviolet index of the sun at a dangerous 11, while on a visit to a beach such as the Mui Wo and Silver Mine Bay Beach to escape from the heat and the urban jungle. The longest stretch of sand to beat the summer blues is on Cheung Sha Beach and Pui O Beach.

What is the warmest month in Hong Kong?

July is the warmest month, with an average high-temperature of 31.4°C (88.5°F) and an average low-temperature of 26.8°C (80.2°F).

What is the temperature in July in Hong Kong?

In Hong Kong, Hong Kong, in July, the average high-temperature is 31.4°C (88.5°F), and the average low-temperature is 26.8°C (80.2°F).

What is the average humidity in July in Hong Kong?

The average relative humidity in July is 81%.

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

In July, the rain falls for 17.6 days. Throughout July, 376.5mm (14.8") of precipitation is accumulated.

When is the sea warmest in Hong Kong?

The month with the warmest seawater in Hong Kong, Hong Kong, is July, with an average sea temperature of 29.1°C (84.4°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.

What is the water temperature in July in Hong Kong?

In July, the average sea temperature in Hong Kong is 29.1°C (84.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in July in Hong Kong?

In Hong Kong, the average length of the day in July is 13.4h.

What month has the most sunshine in Hong Kong?

The month with the most sunshine in Hong Kong, Hong Kong, is July, with an average of 6.8h of sunshine.

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

In Hong Kong, the average sunshine in July is 6.8h.

What is the month with the highest UV index in Hong Kong?

Months with the highest UV index in Hong Kong, Hong Kong, are April through August, with an average UV index of 12.

How high is the UV index in July in Hong Kong?

In Hong Kong, Hong Kong, the average UV index in July is 12.
Average temperature in July - Hong Kong, Hong Kong
  • Average high temperature in July: 31.4°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 July: 26.8°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 July - Hong Kong, Hong Kong
  • Average humidity in July: 81%

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

Average rainfall in July - Hong Kong, Hong Kong
  • Average rainfall in July: 376.5mm

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 July - Hong Kong, Hong Kong
  • Average rainfall days in July: 17.6 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 July - Hong Kong, Hong Kong
  • Average sea temperature in July: 29.1°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 July / Average sunshine in July - Hong Kong, Hong Kong
  • Average daylight in July: 13.4h

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 July: 6.8h

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 July - Hong Kong, Hong Kong
  • Average UV index in July: 12

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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