Weather Comparison
Side-by-side weather comparison for May
| Metric | Edinburgh | Dublin | Better |
|---|---|---|---|
| Average HighHigher is warmer | 13°C (55°F) | 15°C (59°F)▲ | Dublin |
| Average LowHigher is milder | 7°C (45°F) | 8°C (46°F)▲ | Dublin |
| Rain DaysFewer is drier | 13 days▲ | 14 days | Edinburgh |
| PrecipitationLess is drier | 57 mm▲ | 67 mm | Edinburgh |
| Sunshine HoursMore is sunnier | 11h/day | 11h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 10 | 10 | Tie |
| Wind SpeedCalmer is better | 21 km/h | 21 km/h | Tie |
Edinburgh and Dublin 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.
Edinburgh is on the cooler side at 13°C, requiring warmer clothing. Dublin is also comfortable at 15°C.
For travelers who prioritize dry weather, Edinburgh is the stronger choice in May.
Edinburgh reaches an average high of 13°C (55°F) and drops to 7°C (45°F) at night during May. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Dublin averages 15°C (59°F) for the high and 8°C (46°F) for the low, with a daily range of 7°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.
Edinburgh receives approximately 57 mm of rainfall across 13 rain days during May. You can expect rain roughly every other day.
Dublin sees 67 mm over 14 rain days. That makes Edinburgh the drier option by 1 rain day and 10 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 13°C, lows of 7°C, 13 rain days
Highs of 15°C, lows of 8°C, 14 rain days
Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during May.
The table below shows average high temperatures and rain days for every month. May is highlighted for quick reference.
| Month | Edinburgh | Dublin | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 6°C | 14d | 8°C | 13d |
| Feb | 6°C | 12d | 8°C | 12d |
| Mar | 8°C | 13d | 10°C | 12d |
| Apr | 10°C | 12d | 12°C | 14d |
| May | 13°C | 13d | 15°C | 14d |
| Jun | 16°C | 14d | 17°C | 13d |
| Jul | 18°C | 14d | 19°C | 15d |
| Aug | 17°C | 13d | 19°C | 14d |
| Sep | 15°C | 11d | 17°C | 12d |
| Oct | 12°C | 13d | 13°C | 12d |
| Nov | 8°C | 14d | 10°C | 13d |
| Dec | 6°C | 14d | 8°C | 13d |
Edinburgh Weather in May
Full forecast, packing tips, and activities
Dublin Weather in May
Full forecast, packing tips, and activities