London vs Paris

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in May. London offers 10 hours of daily sunshine with only 10 rain days, while Paris sees 10 sunshine hours and 11 rain days.

London sits in the comfortable travel range at 17°C. Paris is also comfortable at 19°C.

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

London reaches an average high of 17°C (63°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Paris averages 19°C (66°F) for the high and 9°C (48°F) for the low, with a daily range of 10°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.

London receives approximately 52 mm of rainfall across 10 rain days during May. You can expect rain roughly every other day.

Paris sees 65 mm over 11 rain days. That makes London the drier option by 1 rain day and 13 mm of total precipitation.

Both cities share similar humidity levels at 65%.