Madrid vs Porto

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Madrid edges ahead as the better destination in December. Madrid offers 7 hours of daily sunshine with only 7 rain days, while Porto sees 6 sunshine hours and 13 rain days.

Madrid is on the cooler side at 10°C, requiring warmer clothing. Porto is cooler at 14°C.

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

Madrid reaches an average high of 10°C (50°F) and drops to 2°C (36°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Porto averages 14°C (57°F) for the high and 7°C (45°F) for the low, with a daily range of 7°C. The 4°C difference is noticeable but not dramatic.

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

Madrid receives approximately 44 mm of rainfall across 7 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Porto sees 171 mm over 13 rain days. That makes Madrid the drier option by 6 rain days and 127 mm of total precipitation.

Both cities share similar humidity levels at 65%.