The highest day temperature in August 2026 was 78°F. The lowest night temperature was 49°F. The average values for day and night temperatures during August were 65.6°F и 56.2°F respectivly.

The average sea surface temperature in August 2026 for Capetown was 55.5°F. The maximum and minimum values were 52.4°F and 57.0°F respectively.

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation total in August for Capetown is 2.3 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 9.0 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Capetown in August is 7.1 hours.