Hondeklip Bay — Water Temperature in December

Water Temperature Range

12°C

minimum

14°C

average

19°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2025	2024	2023	2022
DEC 1	13°C	13°C	13°C	13°C
DEC 2	13°C	13°C	13°C	13°C
DEC 3	14°C	13°C	13°C	14°C
DEC 4	13°C	12°C	13°C	13°C
DEC 5	13°C	12°C	13°C	13°C
DEC 6	13°C	12°C	14°C	14°C
DEC 7	13°C	11°C	14°C	14°C
DEC 8	13°C	11°C	14°C	14°C
DEC 9	14°C	11°C	15°C	14°C
DEC 10	14°C	13°C	14°C	15°C
DEC 11	14°C	13°C	14°C	14°C
DEC 12	14°C	13°C	13°C	15°C
DEC 13	14°C	13°C	13°C	15°C
DEC 14	14°C	14°C	14°C	14°C
DEC 15	14°C	13°C	14°C	13°C
DEC 16	15°C	14°C	15°C	14°C
DEC 17	15°C	13°C	15°C	14°C
DEC 18	15°C	13°C	15°C	14°C
DEC 19	15°C	13°C	15°C	14°C
DEC 20	15°C	13°C	15°C	14°C
DEC 21	14°C	12°C	14°C	13°C
DEC 22	15°C	12°C	15°C	13°C
DEC 23	14°C	13°C	14°C	14°C
DEC 24	14°C	13°C	15°C	14°C
DEC 25	14°C	14°C	14°C	14°C
DEC 26	15°C	14°C	14°C	15°C
DEC 27	14°C	14°C	13°C	14°C
DEC 28	14°C	13°C	14°C	14°C
DEC 29	14°C	14°C	14°C	14°C
DEC 30	15°C	14°C	15°C	14°C
DEC 31	15°C	14°C	15°C	15°C

December: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

16 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

10 hrs

Average Wind Speed

19 km/h

Average Humidity

70%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.