Ireland in October
October is Ireland's 7th-best month (rank 7 of 12): its 7 destinations average 67/100, led by Killarney at 74 — 12°C and 17 rainy days — while Dingle trails at 54 with 125 mm of rain.
#7 of 12 months for Ireland · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Ireland in October
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Killarney | Trekking hub | 12°C | 132 mm · 17 days | 74 tier B | — |
| 2 | Dublin | City | 12°C | 73 mm · 13 days | 72 tier B | — |
| 3 | Cork | City | 13°C | 105 mm · 14 days | 69 tier C | — |
| 4 | Kilkenny | City | 11°C | 89 mm · 13 days | 69 tier C | — |
| 5 | Clifden | Trekking hub | 10°C | 155 mm · 19 days | 67 tier C | — |
| 6 | Galway | City | 11°C | 113 mm · 16 days | 67 tier C | — |
| 7 | Dingle | Beach | 11°C | 125 mm · 18 days | 54 tier D | — |
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 October is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Ireland in October
- Red deer rut · Killarney · 25 Sep – 25 Oct (usually)
- Oakwoods turning · Killarney · 5 Oct – 5 Nov (usually)
- Dublin Theatre Festival · Dublin · 24 Sep – 11 Oct
- Bram Stoker Festival and Samhain · Dublin · 23–26 Oct
- Dublin Marathon · Dublin · 24–31 Oct (usually)
- Dingle Food Festival · Dingle · 28 Sep – 8 Oct (usually)
- Cork Jazz Festival · Cork · 22–31 Oct (usually)
- Savour Kilkenny · Kilkenny · 22–26 Oct
Seasons in force
Peak crowds at 2 of Ireland's 3 well-known places this month.