Barcelona vs Rome

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Barcelona edges ahead as the better destination in May. Barcelona offers 12 hours of daily sunshine with only 7 rain days, while Rome sees 12 sunshine hours and 9 rain days.

Barcelona sits in the comfortable travel range at 21°C. Rome is also comfortable at 22°C.

For travelers who prioritize dry weather, Barcelona is the stronger choice in May.

Barcelona reaches an average high of 21°C (70°F) and drops to 13°C (55°F) at night during May. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Rome averages 22°C (72°F) for the high and 12°C (54°F) for the low, with a daily range of 10°C. The two cities feel quite similar in terms of temperature.

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

Barcelona receives approximately 46 mm of rainfall across 7 rain days during May. Rain is occasional, so a light rain jacket should suffice.

Rome sees 58 mm over 9 rain days. That makes Barcelona the drier option by 2 rain days and 12 mm of total precipitation.

Both cities share similar humidity levels at 65%.