Hong Kong weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hong Kong in August. Check more long-term weather averages for Hong Kong in August before you book your next holiday to Hong Kong in 2025/2026.

  • 31°C maximum daytime temperature in August in Hong Kong31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in August in Hong Kong17
    17 days with some rainfall
  • 26°C minimum night-time temperature in August in Hong Kong26
    26°C min night temperature
  • 13 hours of daylight per day in August in Hong Kong13
    13 hours of daylight per day
  • Very high heat & humidity in August in Hong KongVH
    Very High heat & humidity
  • 377 mm monthly rainfall in August in Hong Kong377
    377 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Hong Kong11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Hong Kong28
    28°C sea temperature

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The August weather guide for Hong Kong shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Hong Kong

How hot is it in Hong Kong in August?

Daytime temperatures usually reach 31°C in Hong Kong in August with very high heat and humidity, falling to 26°C at night.

How sunny is it in Hong Kong in August?

There are normally 7 hours of bright sunshine each day in Hong Kong in August - that's 52% of daylight hours.

How warm is the sea around Hong Kong in August?

The average sea temperature around Hong Kong in August is 28°C.

Does it rain in Hong Kong in August?

There are usually 17 days with some rain in Hong Kong in August and the average monthly rainfall is 377mm.

What is the chance of a typhoon in Hong Kong in August?

On average 3.2 days in August in Hong Kong are likely to be affected by the passage of one or more tropical storms.

Hong Kong August sunrise & sunset times

Browse the sunrise and sunset times for Hong Kong in August 2025. Select a month to view Hong Kong sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:55 19:04
Saturday, 16th August 2025 06:01 18:54
Sunday, 31st August 2025 06:06 18:41

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