SeasonMapIreland in May
May is one of Ireland's best months (rank 3 of 12): its 7 destinations average 83/100, led by Killarney at 87 — 15°C and 12 rainy days — while Dingle trails at 77 with 71 mm of rain.
#3 of 12 months for Ireland · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Ireland in May
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Killarney | Trekking hub | 15°C | 84 mm · 12 days | 87 tier A | Yes |
| 2 | Clifden | Trekking hub | 14°C | 78 mm · 15 days | 86 tier A | Yes |
| 3 | Kilkenny | City | 15°C | 52 mm · 9 days | 83 tier A | — |
| 4 | Cork | City | 15°C | 60 mm · 11 days | 82 tier A | — |
| 5 | Dublin | City | 13°C | 62 mm · 12 days | 82 tier A | — |
| 6 | Galway | City | 15°C | 69 mm · 14 days | 82 tier A | Yes |
| 7 | Dingle | Beach | 15°C | 71 mm · 14 days | 77 tier B | Yes |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means May is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.