Ireland weather in May - temperature, rain and is it a good time to visit?
May is one of the best months for a holiday in Ireland.
Daytime
15°
Night
8°
☀️ Day length
15 h 53 min
Chance of rain
59%
Thunder days
1%
Humid days
1%
In May, Ireland averages about 15° during the day and 8° at night. Rain is fairly likely - around a 59% chance on a given day, so pack for showers.
Ireland weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 8℃ | 3℃ | 75% |
| February | 8℃ | 2℃ | 67% |
| March | 9℃ | 3℃ | 58% |
| April | 12℃ | 5℃ | 56% |
| May ★ | 15℃ | 8℃ | 59% |
| June ★ | 18℃ | 11℃ | 50% |
| July ★ | 19℃ | 13℃ | 60% |
| August ★ | 18℃ | 12℃ | 69% |
| September ★ | 17℃ | 10℃ | 52% |
| October ★ | 14℃ | 8℃ | 59% |
| November | 10℃ | 5℃ | 63% |
| December | 9℃ | 4℃ | 71% |
★ - months most often recommended for travel
Where is it warmest in Ireland in May? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Galway | 16℃ | 8℃ | 15℃ | 73% |
| Limerick | 16℃ | 8℃ | - | 76% |
| Dublin | 15℃ | 6℃ | 14℃ | 70% |
| Belfast | 15℃ | 9℃ | - | 56% |
| Swords | 15℃ | 6℃ | 14℃ | 70% |
| Waterford | 15℃ | 10℃ | 13℃ | 35% |
| Cork | 14℃ | 7℃ | 14℃ | 71% |
| Kilkenny | 14℃ | 9℃ | - | 43% |
| Sligo | 14℃ | 10℃ | 14℃ | 26% |
| Athlone | 13℃ | 6℃ | - | 71% |
Travelling soon? Check the live 14-day weather forecast for Ireland.