Climate · Cape Town

Cape Town in August

Mild and damp, as the days lengthen.

Typical weather, averaged over 30 years

August in Cape Town is mild: highs near 65°F, lows near 49°F. Rain falls on about two days a week, and the days lengthen by 52 minutes from the first week to the last.August in Cape Town is mild: highs near 18°C, lows near 9°C. Rain falls on about two days a week, and the days lengthen by 52 minutes from the first week to the last.

High
65°F18°Caverage
Low
49°F9°Caverage
Wet days
2a week · 34% of days
Daylight
10h 55mon average

Is August a good time to visit Cape Town?


August sits outside Cape Town's best months, which run from December to March. Expect mild days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How August sits in the year

week by week

Temperature

Highs near 65°F in August, against 65°F to 82°F through the year.Highs near 18°C in August, against 18°C to 28°C through the year.

Chance of a wet day

34% of days in August, against 10% to 37% through the year.

Cloud cover

38% cover in August, against 16% to 44% through the year.

Daylight

10h 55m in August, against 9h 56m to 14h 22m through the year.

Week by week, lightly smoothed, with August shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. July65°18°low 48°low 9°2 wet days a weekRain on about two days a week.
  2. August65°18°low 49°low 9°2 wet days a weekRain on about two days a week.
  3. September67°19°low 51°low 11°2 wet days a weekRain on about two days a week.

Where Cape Town sits, in August

Africa/Johannesburg

this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
7:26 AMsets 6:16 PM
Above the sea
20 mlow-lying
Latitude
33.9°Ssouthern hemisphere
Nearest of ours
Franschhoek64 km east

The land around Cape Town, shaded by its typical high in August, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in South Africa in August

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), read 8 km north-east of Cape Town. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.