Cape Town vs Buenos Aires

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.

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

Cape Town reaches an average high of 24°C (75°F) and drops to 16°C (61°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Buenos Aires averages 27°C (81°F) for the high and 19°C (66°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.

Cape Town receives approximately 15 mm of rainfall across 3 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Buenos Aires sees 88 mm over 8 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%.