Madrid vs Porto

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.

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

Madrid reaches an average high of 22°C (72°F) and drops to 10°C (50°F) at night during May. The daily temperature range is 12°C, meaning significant temperature swings between day and night.

Porto averages 20°C (68°F) for the high and 12°C (54°F) for the low, with a daily range of 8°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.

Madrid receives approximately 38 mm of rainfall across 7 rain days during May. Rain is occasional, so a light rain jacket should suffice.

Porto sees 102 mm over 11 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%.