Porto vs Madrid

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Madrid edges ahead as the better destination in May. Madrid offers 13 hours of daily sunshine with only 7 rain days, while Porto sees 12 sunshine hours and 11 rain days.

Porto sits in the comfortable travel range at 20°C. Madrid is also comfortable at 22°C.

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

Porto reaches an average high of 20°C (68°F) and drops to 12°C (54°F) at night during May. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Madrid averages 22°C (72°F) for the high and 10°C (50°F) for the low, with a daily range of 12°C. The 2°C difference is noticeable but not dramatic.

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

Porto receives approximately 102 mm of rainfall across 11 rain days during May. You can expect rain roughly every other day.

Madrid sees 38 mm over 7 rain days. That makes Madrid the drier option by 4 rain days and 64 mm of total precipitation.

Both cities share similar humidity levels at 65%.