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Hong Kong weather in August 2025
Expect daytime maximum temperatures of 31°C in Hong Kong in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 377 mm of rainfall in the month.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 17 days with some rainfall
17 - 26°C min night temperature
26 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 377 mm of monthly rainfall
377 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
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Recommended for Hong Kong
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)
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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