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Hong Kong weather in December 2025
Expect daytime maximum temperatures of 20°C in Hong Kong in December based on long-term weather averages. There are 6 hours of sunshine per day on average.
- 20°C max day temperature
20 - 6 hours of sunshine per day
- 4 days with some rainfall
4 - 15°C min night temperature
15 - 11 hours of daylight per day
11 - No heat & humidity
0 - 28 mm of monthly rainfall
28 - 7 (High) UV index
7 - 20°C sea temperature
20
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Recommended for Hong Kong
The December 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 December?
Daytime temperatures usually reach 20°C in Hong Kong in December, falling to 15°C at night.
How sunny is it in Hong Kong in December?
There are normally 6 hours of bright sunshine each day in Hong Kong in December - that's 56% of daylight hours.
How warm is the sea around Hong Kong in December?
The average sea temperature around Hong Kong in December is 20°C.
Does it rain in Hong Kong in December?
There are usually 4 days with some rain in Hong Kong in December and the average monthly rainfall is 28mm.
Hong Kong December sunrise & sunset times
Browse the sunrise and sunset times for Hong Kong in December 2025. Select a month to view Hong Kong sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 06:46 | 17:38 |
| Tuesday, 16th December 2025 | 06:55 | 17:42 |
| Wednesday, 31st December 2025 | 07:02 | 17:50 |
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