Dublin vs London

Dublin 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.

Dublin sits in the comfortable travel range at 15°C. London is also comfortable at 17°C.

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

Dublin reaches an average high of 15°C (59°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to 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 2°C difference is noticeable but not dramatic.

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

Dublin receives approximately 67 mm of rainfall across 14 rain days during May. You can expect rain roughly every other day.

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

Both cities share similar humidity levels at 65%.