Cape Town — Water Temperature in July

Water Temperature Range

12°C

minimum

16°C

average

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

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.