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Weather Comparison

Cape Town vs Buenos Aires

Side-by-side weather comparison for August

Cape Town: 17°CBuenos Aires: 16°C6,870 km apart

August Weather: Cape Town vs Buenos Aires

MetricCape TownBuenos AiresBetter
Average HighHigher is warmer17°C (63°F)16°C (61°F)Cape Town
Average LowHigher is milder10°C (50°F)9°C (48°F)Cape Town
Rain DaysFewer is drier9 days7 daysBuenos Aires
PrecipitationLess is drier74 mm72 mmBuenos Aires
Sunshine HoursMore is sunnier9h/day8h/dayCape Town
HumidityLower is more comfortable70%70%Tie
UV IndexLower is safer22Tie
Wind SpeedCalmer is better20 km/h23 km/hCape Town

Which City is Better in August?

Cape Town and Buenos Aires are closely matched in August. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Cape Town sits in the comfortable travel range at 17°C. Buenos Aires is also comfortable at 16°C.

For travelers who prioritize dry weather, Buenos Aires is the stronger choice in August. Cape Town receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in August

Cape Town reaches an average high of 17°C (63°F) and drops to 10°C (50°F) at night during August. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Buenos Aires averages 16°C (61°F) for the high and 9°C (48°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Southern Hemisphere, so they share the same seasonal pattern in August.

Rainfall Comparison in August

Cape Town receives approximately 74 mm of rainfall across 9 rain days during August. You can expect rain roughly every other day.

Buenos Aires sees 72 mm over 7 rain days. That makes Buenos Aires the drier option by 2 rain days and 2 mm of total precipitation.

Both cities share similar humidity levels at 70%.

What to Pack: Cape Town vs Buenos Aires

Packing for Cape Town in August

Highs of 17°C, lows of 10°C, 9 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • a packable rain jacket
  • an umbrella

Packing for Buenos Aires in August

Highs of 16°C, lows of 9°C, 7 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • a packable rain jacket
  • an umbrella

Pack for both: warm layers, a mid-weight jacket, long trousers, a packable rain jacket, an umbrella. These items are useful in either destination during August.

Year-Round Comparison: Cape Town vs Buenos Aires

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.August is highlighted for quick reference.

MonthCape TownBuenos Aires
HighRainHighRain
Jan26°C3d28°C7d
Feb26°C2d27°C8d
Mar25°C3d25°C8d
Apr22°C5d21°C8d
May19°C7d17°C7d
Jun17°C10d14°C7d
Jul17°C9d13°C7d
Aug17°C9d16°C7d
Sep18°C7d17°C7d
Oct20°C5d20°C10d
Nov22°C5d24°C8d
Dec24°C3d27°C8d
17°

Cape Town Weather in August

Full forecast, packing tips, and activities

16°

Buenos Aires Weather in August

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Cape Town warmer than Buenos Aires in August?
Yes. In August, Cape Town is warmer with an average high of 17°C (63°F) compared to Buenos Aires at 16°C (61°F), a difference of 1°C.
Which city gets more rain in August, Cape Town or Buenos Aires?
Cape Town gets more rain in August with 9 rain days and 74 mm of precipitation. Buenos Aires is the drier option with 7 rain days.
Is it better to visit Cape Town or Buenos Aires in August?
It depends on your preferences. Cape Town averages 17°C and 9 hours of daily sunshine with 9 rain days. Buenos Aires averages 16°C with 8 sunshine hours and 7 rain days. If you prefer warmer weather, choose Cape Town. For fewer rain days, Buenos Aires is the better pick.
How far apart are Cape Town and Buenos Aires?
Cape Town and Buenos Aires are approximately 6,870 km (4,266 miles) apart. Cape Town is located in South Africa (Africa) while Buenos Aires is in Argentina (South America).
What is the best month to visit Cape Town and Buenos Aires?
For Cape Town, February tends to be the best month with 13 hours of daily sunshine and a high of 26°C. For Buenos Aires, January is typically ideal with 12 sunshine hours and 28°C highs.

Compare Cape Town and Buenos Aires in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Cape Town coordinates: -33.92°N, 18.42°E | Buenos Aires coordinates: -34.60°N, -58.38°E