Luxembourg City vs London

Luxembourg City and London are closely matched in May. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Luxembourg City sits in the comfortable travel range at 21°C. London is also comfortable at 17°C.

For travelers who prioritize dry weather, Luxembourg City is the stronger choice in May. London receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Luxembourg City reaches an average high of 21°C (70°F) and drops to 9°C (48°F) at night during May. The daily temperature range is 12°C, meaning significant temperature swings between day and night.

London averages 17°C (63°F) for the high and 8°C (46°F) for the low, with a daily range of 9°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 May.

Luxembourg City receives approximately 67 mm of rainfall across 6 rain days during May. Rain is occasional, so a light rain jacket should suffice.

London sees 52 mm over 10 rain days. That makes Luxembourg City the drier option by 4 rain days and 15 mm of total precipitation.

Both cities share similar humidity levels at 65%.