Sea Temperature in Hong Kong in December

Complete information on the sea temperature range in the South China Sea in Hong Kong in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Hong Kong. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Hong Kong in December

16°C

MINIMUN

20.5°C

AVERAGE

25°C

MAXIMUM

Historical Data of Water Temperature in December in Hong Kong

Water Temperature Chart for South China Sea in Hong Kong in December

Sea Temperature Table in Hong Kong in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	22°C	23°C	24°C	23.3°C
Dec 2	21°C	23°C	24°C	22.5°C
Dec 3	21°C	23°C	23°C	22.8°C
Dec 4	21°C	23°C	23°C	22.5°C
Dec 5	21°C	23°C	23°C	22.3°C
Dec 6	22°C	23°C	24°C	22.8°C
Dec 7	22°C	23°C	23°C	22.8°C
Dec 8	22°C	22°C	23°C	22.5°C
Dec 9	22°C	22°C	23°C	22.5°C
Dec 10	21°C	23°C	22°C	22.0°C
Dec 11	22°C	22°C	22°C	22.3°C
Dec 12	22°C	22°C	22°C	22.0°C
Dec 13	22°C	23°C	21°C	22.0°C
Dec 14	22°C	23°C	22°C	22.3°C
Dec 15	21°C	23°C	21°C	21.5°C
Dec 16	21°C	23°C	21°C	21.8°C
Dec 17	21°C	23°C	21°C	22.0°C
Dec 18	21°C	23°C	20°C	21.5°C
Dec 19	21°C	23°C	20°C	21.5°C
Dec 20	20°C	22°C	19°C	20.8°C
Dec 21	19°C	21°C	20°C	20.3°C
Dec 22	20°C	21°C	20°C	20.5°C
Dec 23	19°C	21°C	20°C	20.3°C
Dec 24	19°C	21°C	20°C	20.3°C
Dec 25	19°C	20°C	19°C	19.8°C
Dec 26	19°C	20°C	19°C	19.5°C
Dec 27	19°C	20°C	18°C	19.3°C
Dec 28	19°C	20°C	19°C	19.8°C
Dec 29	19°C	19°C	19°C	19.3°C
Dec 30	18°C	19°C	18°C	18.8°C

Hong Kong Climate and Swimming Opportunities in December

23°C

Average Day Air Temperature

15°C

Average Night Air Temperature

26 mm

Precipitation Amount per Month

5 days

Number of Rainy Days

11 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

13 km/h

Average Wind Speed

68%

Average
humidity

Hong Kong lies within in Hong Kong. The average daytime temperature in Hong Kong in December is 23°C (73°F), while the nighttime average is 15°C (59°F). There are typically five rainy days during the month, with a total precipitation of 26 mm (1.0 inches). The daylight duration in December in Hong Kong is 11 hours, with an average of 6 hours of sunshine per day. The average wind speed in December is 13 km/h (8 mph), and the humidity level is around 68%.

The water temperature in Hong Kong in December ranges from 18°C to 23°C (64°F to 73°F). At the beginning of the month, the average temperature is around 23°C (73°F), shifting to 22°C (72°F) by mid-December and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Hong Kong for December is 21°C (70°F). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Hong Kong

What is the sea temperature in Hong Kong in December?

The water temperature in the South China Sea in Hong Kong in December ranges from 18°C to 23°C (64°F to 73°F).

Is it possible to swim in the South China Sea in Hong Kong in December?

The average sea temperature in Hong Kong in December is 21°C (70°F), and the air temperature is 23°C (73°F), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.