Sea Temperature in Cape Town in December

Complete information on the sea temperature range in the Atlantic Ocean in Cape Town in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Cape Town. 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 Cape Town in December

15°C

MINIMUN

18.5°C

AVERAGE

22°C

MAXIMUM

Historical Data of Water Temperature in December in Cape Town

Water Temperature Chart for Atlantic Ocean in Cape Town in December

Sea Temperature Table in Cape Town in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	16°C	18°C	16°C	16.5°C
Dec 2	16°C	17°C	17°C	16.8°C
Dec 3	16°C	17°C	17°C	16.5°C
Dec 4	16°C	18°C	17°C	16.8°C
Dec 5	17°C	18°C	16°C	17.0°C
Dec 6	17°C	17°C	17°C	16.8°C
Dec 7	18°C	17°C	17°C	17.0°C
Dec 8	18°C	18°C	18°C	17.8°C
Dec 9	18°C	18°C	18°C	18.0°C
Dec 10	18°C	17°C	18°C	17.3°C
Dec 11	18°C	17°C	18°C	17.5°C
Dec 12	18°C	17°C	18°C	17.5°C
Dec 13	18°C	17°C	18°C	17.5°C
Dec 14	18°C	17°C	17°C	17.3°C
Dec 15	18°C	17°C	18°C	17.5°C
Dec 16	19°C	17°C	17°C	17.5°C
Dec 17	19°C	17°C	17°C	17.5°C
Dec 18	18°C	18°C	18°C	17.5°C
Dec 19	18°C	18°C	17°C	17.5°C
Dec 20	18°C	17°C	17°C	17.0°C
Dec 21	18°C	18°C	17°C	17.5°C
Dec 22	19°C	17°C	16°C	17.0°C
Dec 23	18°C	17°C	17°C	17.0°C
Dec 24	18°C	17°C	17°C	17.0°C
Dec 25	18°C	17°C	17°C	17.0°C
Dec 26	19°C	17°C	17°C	17.0°C
Dec 27	18°C	17°C	17°C	17.0°C
Dec 28	18°C	17°C	18°C	17.3°C
Dec 29	18°C	17°C	18°C	17.3°C
Dec 30	18°C	16°C	17°C	17.0°C

Cape Town Climate and Swimming Opportunities in December

24°C

Average Day Air Temperature

15°C

Average Night Air Temperature

16 mm

Precipitation Amount per Month

6 days

Number of Rainy Days

14 hrs

Daylight
per Day

10 hrs

Sunshine
per Day

19 km/h

Average Wind Speed

70%

Average
humidity

Cape Town lies within the Western Cape in South Africa. The average daytime temperature in Cape Town in December is 24°C (76°F), while the nighttime average is 15°C (58°F). There are typically six rainy days during the month, with a total precipitation of 16 mm (0.6 inches). The daylight duration in December in Cape Town is 14 hours, with an average of 10 hours of sunshine per day. The average wind speed in December is 19 km/h (12 mph), and the humidity level is around 70%.

The water temperature in Cape Town in December ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 18°C (64°F) by mid-December and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Cape Town for December is 17°C (63°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Cape Town

What is the sea temperature in Cape Town in December?

The water temperature in the Atlantic Ocean in Cape Town in December ranges from 16°C to 18°C (61°F to 64°F).

Is it possible to swim in the Atlantic Ocean in Cape Town in December?

The average sea temperature in Cape Town in December is 17°C (63°F), and the air temperature is 24°C (76°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.