Hong Kong
Hong Kong in December: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Hong Kong in December is climatically well suited to city breaks, active holidays and hiking, family holidays and beach holidays. The average daily high is around 21 °C, and the sea is about 21 °C. With about 4 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
82/100 · #3
Warmth
#10
Dryness
#1
Sun
#10
Sea warmth
#9
Published best categories: Overall, City break, Active, Family
Hong Kong · DecemberPhoto: Diliff · CC BY-SA 3.0Climate facts
- Average high
- 21 °C
- Average low
- 14 °C
- Sea
- 21 °C
- Rainy days (est.)
- 4 rainy days (est.)
- Sun (est.)
- 4 h/day
- Humidity
- 72 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 25 | 18 | 5 | 35 | 4.7 | 74 | 4.0 | 24 | 91 |
| December (selected) | 21 | 14 | 4 | 28 | 4.1 | 72 | 4.3 | 21 | 82 |
| January | 20 | 13 | 5 | 32 | 4.0 | 73 | 4.1 | 20 | 76 |
How do the previous and next months compare?
Baseline: December (82/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +9 | +3.9 °C | +4.5 °C | +0.7 | +7.1 mm | +0.6 h | +2.8 % | -0.3 m/s | +2.9 °C |
| January | -6 | -1.3 °C | -1.1 °C | +0.6 | +4.3 mm | -0.1 h | +1.7 % | -0.2 m/s | -1.3 °C |
All twelve months in context
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Frequently asked questions
How warm is Hong Kong in December?
The average daily high is around 21 °C, with an average daily low of about 14 °C.
Can you swim in Hong Kong in December?
The sea is about 21 °C (refreshing).
Does it rain a lot in Hong Kong in December?
The curated estimate is about 4 rainy days per month, not a directly measured long-term average. Total precipitation averages around 28 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Hong Kong?
By the climate score, March, October, November and December are the strongest months for Hong Kong. For a beach trip: April, May, October and November. December is one of them.