Cape of Good Hope — Water Temperature in July

Water Temperature Range

13°C

minimum

15°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

96 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

17 km/h

Average Humidity

78%

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.