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Weather Comparison

Buenos Aires vs Cape Town

Side-by-side weather comparison for December

Buenos Aires: 27°CCape Town: 24°C6,870 km apart

December Weather: Buenos Aires vs Cape Town

MetricBuenos AiresCape TownBetter
Average HighHigher is warmer27°C (81°F)24°C (75°F)Buenos Aires
Average LowHigher is milder19°C (66°F)16°C (61°F)Buenos Aires
Rain DaysFewer is drier8 days3 daysCape Town
PrecipitationLess is drier88 mm15 mmCape Town
Sunshine HoursMore is sunnier12h/day13h/dayCape Town
HumidityLower is more comfortable70%70%Tie
UV IndexLower is safer99Tie
Wind SpeedCalmer is better24 km/h25 km/hBuenos Aires

Which City is Better in December?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Cape Town edges ahead as the better destination in December. Cape Town offers 13 hours of daily sunshine with only 3 rain days, while Buenos Aires sees 12 sunshine hours and 8 rain days.

Buenos Aires sits in the comfortable travel range at 27°C. Cape Town is also comfortable at 24°C.

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

Temperature Comparison in December

Buenos Aires reaches an average high of 27°C (81°F) and drops to 19°C (66°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Cape Town averages 24°C (75°F) for the high and 16°C (61°F) for the low, with a daily range of 8°C. The 3°C difference is noticeable but not dramatic.

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

Rainfall Comparison in December

Buenos Aires receives approximately 88 mm of rainfall across 8 rain days during December. You can expect rain roughly every other day.

Cape Town sees 15 mm over 3 rain days. That makes Cape Town the drier option by 5 rain days and 73 mm of total precipitation.

Both cities share similar humidity levels at 70%.

What to Pack: Buenos Aires vs Cape Town

Packing for Buenos Aires in December

Highs of 27°C, lows of 19°C, 8 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella

Packing for Cape Town in December

Highs of 24°C, lows of 16°C, 3 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen

Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during December.

Year-Round Comparison: Buenos Aires vs Cape Town

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.December is highlighted for quick reference.

MonthBuenos AiresCape Town
HighRainHighRain
Jan28°C7d26°C3d
Feb27°C8d26°C2d
Mar25°C8d25°C3d
Apr21°C8d22°C5d
May17°C7d19°C7d
Jun14°C7d17°C10d
Jul13°C7d17°C9d
Aug16°C7d17°C9d
Sep17°C7d18°C7d
Oct20°C10d20°C5d
Nov24°C8d22°C5d
Dec27°C8d24°C3d
27°

Buenos Aires Weather in December

Full forecast, packing tips, and activities

24°

Cape Town Weather in December

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Buenos Aires warmer than Cape Town in December?
Yes. In December, Buenos Aires is warmer with an average high of 27°C (81°F) compared to Cape Town at 24°C (75°F), a difference of 3°C.
Which city gets more rain in December, Buenos Aires or Cape Town?
Buenos Aires gets more rain in December with 8 rain days and 88 mm of precipitation. Cape Town is the drier option with 3 rain days.
Is it better to visit Buenos Aires or Cape Town in December?
It depends on your preferences. Buenos Aires averages 27°C and 12 hours of daily sunshine with 8 rain days. Cape Town averages 24°C with 13 sunshine hours and 3 rain days. If you prefer warmer weather, choose Buenos Aires. For fewer rain days, Cape Town is the better pick.
How far apart are Buenos Aires and Cape Town?
Buenos Aires and Cape Town are approximately 6,870 km (4,266 miles) apart. Buenos Aires is located in Argentina (South America) while Cape Town is in South Africa (Africa).
What is the best month to visit Buenos Aires and Cape Town?
For Buenos Aires, January tends to be the best month with 12 hours of daily sunshine and a high of 28°C. For Cape Town, February is typically ideal with 13 sunshine hours and 26°C highs.

Compare Buenos Aires and Cape Town 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.

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