Hong Kong
Hong Kong
Long-term weather forecast
Long-term weather forecast
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July weather forecast and Climate
Hong Kong, Hong Kong

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A bird
A bird's eye view of the lit city of Hong Kong, in the 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.
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  • The 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).

  • The 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).

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  • The 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%).

  • The 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).

  • The 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).

  • The 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).

  • The average daylight in July: 13h

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, February, November and December (Average daylight: 11h).

  • The 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).

  • The 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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