Sea Temperature in Grotto Bay in December

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

13°C

MINIMUN

17.5°C

AVERAGE

22°C

MAXIMUM

Historical Data of Water Temperature in December in Grotto Bay

Water Temperature Chart for Atlantic Ocean in Grotto Bay in December

Sea Temperature Table in Grotto Bay in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	14°C	17°C	15°C	15.5°C
Dec 2	14°C	17°C	15°C	15.3°C
Dec 3	15°C	17°C	15°C	15.8°C
Dec 4	15°C	17°C	16°C	15.8°C
Dec 5	15°C	17°C	15°C	15.5°C
Dec 6	16°C	17°C	15°C	15.5°C
Dec 7	16°C	16°C	15°C	15.5°C
Dec 8	17°C	16°C	16°C	16.3°C
Dec 9	17°C	17°C	17°C	16.8°C
Dec 10	17°C	16°C	18°C	16.5°C
Dec 11	17°C	15°C	18°C	16.3°C
Dec 12	17°C	15°C	17°C	16.0°C
Dec 13	17°C	15°C	18°C	16.3°C
Dec 14	17°C	15°C	17°C	16.0°C
Dec 15	17°C	15°C	17°C	16.0°C
Dec 16	17°C	15°C	17°C	15.8°C
Dec 17	17°C	15°C	17°C	15.8°C
Dec 18	17°C	15°C	17°C	15.8°C
Dec 19	17°C	15°C	17°C	16.0°C
Dec 20	18°C	16°C	17°C	16.3°C
Dec 21	17°C	15°C	17°C	16.3°C
Dec 22	18°C	16°C	16°C	16.5°C
Dec 23	17°C	16°C	15°C	16.0°C
Dec 24	17°C	16°C	16°C	16.3°C
Dec 25	18°C	16°C	16°C	16.5°C
Dec 26	18°C	15°C	16°C	16.3°C
Dec 27	17°C	16°C	16°C	16.3°C
Dec 28	17°C	15°C	16°C	16.0°C
Dec 29	17°C	14°C	17°C	16.0°C
Dec 30	17°C	15°C	17°C	16.5°C

Grotto Bay 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

Grotto Bay lies within the Western Cape in South Africa. The average daytime temperature in Grotto Bay 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 Grotto Bay 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 Grotto Bay in December ranges from 15°C to 16°C (59°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 16°C (61°F) by mid-December and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Grotto Bay for December is 16°C (61°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 Grotto Bay

What is the sea temperature in Grotto Bay in December?

The water temperature in the Atlantic Ocean in Grotto Bay in December ranges from 15°C to 16°C (59°F to 61°F).

Is it possible to swim in the Atlantic Ocean in Grotto Bay in December?

The average sea temperature in Grotto Bay in December is 16°C (61°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.